HomeMy WebLinkAbout2008/06/17 Special Orders
THIS ITEM CORRESPONDS WITH REPORT UNDER SPECIAL ORDERS
COUNCIL INFORMA nON ITEM
June 17,2008
TO:
FROM:
VIA:
VIA:
SUBJECT: State Route 125 Traffic Impacts
The approximately 12.5-mile long State Route 125 (SR-125) facility between SR-54 to the north
and eastern Otay Mesa's SR-905 to the south was opened to the public in the early morning of
Monday November 19, 2007, Thanksgiving week (see Attachment #1 "SR-125 Interchange
Locations"). From SR-54 south approximately 3.2-miles to about the northerly City of Chula
Vista city limits at the San Miguel Ranch subdivision is the portion of SR-125 known as the
"Gap & Connector" segment. Although not a part of the toll road, construction on the "Gap &
Connector" segment was done simultaneously with the toll road construction. From north of the
San Miguel subdivision then south to the Toll Plaza in eastern Otay MesalSR-905, is the segment
that is known as the SR-125 Toll Road facility. The toll road segment is approximately 9.3-
miles in length. Although the public has been allowed to access SR-125 since last November,
final work is still on going with the landscaping, local roadways and sound walls. This work is
scheduled to be completed within the next 6 to 8-months.
For the first two months of operation, no tolls were collected in order to encourage users to the
facility. Therefore, this north/south toll road was operated as a freeway. Since mid-January
2008, the facility has operated as a toll road with customers either paying by cash or an
electronic transponder known as FasTrak. In order to encourage the usage of the electronic toll
collection, FasTrak users pay a reduced rate since there are less overhead costs associated with
the transponder as compared to the cash paying customers. Approximately 70% of the SR-125
Toll Road users have a transponder. The transponder, per the California Vehicle Code, must also
work on the other State toll roads and bridges. Thus, any SR-125 transponder will also work on
any San Francisco Bay area toll bridges such as the Golden Gate Bridge. In southern California,
the transponders also work on the entire Orange County toll road system.
This report discusses the changes in traffic patterns and traffic volumes in eastern Chula Vista
since the toll road was opened. South Bay Expressway has informed City staff, that typical
weekday traffic volumes are about 29,500 vehicles per day on the toll road facility. Not all of
these trips originate or terminate in Chula Vista so City staff conducted a series of traffic counts
in order to determine the Average Daily Traffic (ADT) volume reduction on those three key 1-
805 interchange locations of East H Street, Telegraph and East Orange Avenue/Olympic
Parkway. Recent traffic count data shows that these three major roadways at 1-805 have a
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cumulative daily traffic volume that has decreased by approximately II, I 00 vehicles per day, or
a 5.8% reduction from the period before SR-125 was opened (see Attachment #2 "Freeway
Interchange Traffic Volumes (Pre & Post SR-125 Opening - 24 Hour Weekday Directional
ADT"). The percent change on the major corridors in eastern Chula Vista can be seen on
Attachment #3 "Traffic Volumes (Post SR-125 Opening)" and will be discussed in more detail
below. During the 7 to 9 a.m. peak period, volumes are down by 4,800 vehicles, or 19.3% (see
Attachment #4 "Freeway Interchange Trame Volumes (Pre & Post SR-125 Opening) - A.M.
Peak Directional ADT". The 4 to 6 p.m. peak period is down by 3,100 vehicles or 11.0% (see
Attachment #5 "Freeway Interchange Traffic Volumes (Pre & Post SR-125 Opening") - P.M.
Peak Directional ADJ".
City staff has conducted traffic counts in eastern Chula Vista from 1-805 to the area near SR-125
in mid-2007. The attached data is titled "Pre-125 Volume Counts" (see Attachment #6). Most
traffic counts were collected in early November 2007 before SR-125 was opened to the public
and again in early 2008, once tolls were required. Staff did not want to collect traffic counts
from the end of the calendar year 2007 through mid-January 2008 since traffic patterns would
not yet be established during the holiday shopping season. Additionally, larger traffic generators
such as Southwestern College and the Universities around the County would likely be on fall
semester break. Thus, after mid-January when SR-125 started to collect tolls, it was decided that
anytime after that date, traffic patterns would stabilize since no other interchanges or roadways
would be provided in the eastern portion of the City. Traffic counters were set in April and May
2008 for the "after" counts. The attached data is titled "Post-125 48 Hour Volume Counts" (see
Attachment #7).
In order to see how the traffic patterns have changed with the toll road, traffic volumes were also
collected in the vicinity of the local street interchanges with SR-125. Users of the toll road can
access the toll road via State Route 54, at the north end, and at the Otay Mesa Toll Plaza located
approximately 12.5-miles to the south. Per Attachment #1, local street access today is provided
at the following four interchanges throughout eastern Chula Vista:
· Mt. Miguel Road/San Miguel Ranch Road (South off-ramp & North on-ramp only)
. East H Street
. Otay Lakes Road
. Birch Road
In the future, it is anticipated that there will be one or two more interchanges in southern Chula
Vista at Rock Mountain Road and potentially at Otay Valley Road (Main Street extension). In
the Otay Mesa area, there could be one more interchange at Lone Star Road besides the current
southerly limit at Otay Mesa Road. Today, Otay Mesa Road is operating as the interim SR-905.
The ultimate SR-905 freeway project, which had a groundbreaking ceremony on April 25, 2008,
will construct a freeway-to-freeway connector south ofOtay Mesa Road for the SR-125/SR-905
interchange. The new SR-905 will be constructed on a new alignment that is generally parallel
and to the south ofOtay Mesa Road.
During the years before and during construction for the SR-125 Toll Road, the eastern portion of
the City continued with rapid development of several planned communities such as EastLake
Trails, EastLake Vistas, EastLake Woods, Otay Ranch and San Miguel Ranch. In order to
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accommodate the number of homes and businesses during this tremendous period of growth, the
City Council approved the Eastern Chula Vista Traffic Enhancement Program. This program
was created in order to expedite needed roadway improvements near Interstate-80S in order that
the City did not exceed the traffic threshold standards. Of vital importance was the fact that
although SR-125 had an approved Final Environmental Impact Report/Environmental Impact
Statement and a Record of Decision issued by the Federal Highway Administration on June 9,
2000, it would be several more years before construction would commence and much more time
would elapse before the project would be completed and opened to the public. Therefore, there
were three major east/west corridor locations to 1-805 that would be severely impacted since
these are the locations where the daily traffic volumes were already the highest in the City.
These locations were East H Street, Telegraph Canyon Road and Olympic Parkway. Private
construction financing for the SR-125 Toll Road took place in May 2003 and construction
commenced in September 2003.
During the time period of 2001 through 2006, City staff embarked on several improvement
projects on these three corridors. On July 24, 2001, City Council was presented a three-prong
approach involving enhancements to increase traffic capacity. The three-prong approach
involved: (I) enhancements to increase traffic capacity, (2) techniques to reduce peak hour
demand via transportation demand management, and (3) a careful monitoring of both
development activity and traffic levels of service to assure compliance with the City's Growth
Management Ordinance.
Significant coordination and approval were needed with Caltrans and the Federal Highway
Administration in order to expedite these projects. The first traffic enhancement project to begin
construction was the East H Street north side widening project to provide an additional
westbound through lane. This work area was east and west of Hidden Vista Drive and ended just
to the east of the I-80S northbound on-ramp. Secondly, the interchange at East Orange
Avenue/Olympic Parkway was improved. This work was followed concurrently with the East H
Street west-to-north on-ramp work and also the Telegraph Canyon Road north side-widening
project along the Canyon Plaza frontage in order to provide an additional westbound lane. All of
this work required significant coordination with Caltrans and the Federal Highway
Administration in order to meet the construction time commitments. One of the ramps at Main
Street, the southbound off-ramp, was originally included with the original contract for Olympic
Parkway due to the impacts of the Cricket Wireless (Coors) Amphitheatre. As part of the
interchange improvements Caltrans, Federal Highway Administration, SANDAG and the City
Council approved financing and construction of a City initiated change order that added both of
the Main Street on-ramps to the project as well as the westbound approach to I-80S. These
change order improvements were needed due in part to the several new auto dealerships and the
Crossings Shopping Center that were being considered for development along Main Street, east
of I-80S. By adding this additional work as a change order, several years and hundreds of
thousands of dollars were saved instead of doing this work as a stand-alone project
As the City completed the westbound approach to Telegraph Canyon Road, Caltrans followed
shortly thereafter by modifying the southbound off-ramp. The Caltrans initiated project for the
off-ramp was needed in order to reduce the southbound off-ramp vehicle queues.
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SR-125 traffic impacts bv local street sel!ments
Following is each of the roadway segment traffic volumes rounded to the nearest 100 vehicles
per day.
Mt. Mil!uel Road/San Mil!uel Ranch Road
Mount Miguel Road was constructed as a Four-lane Class I Collector roadway through San
Miguel Ranch in three phases starting at its' easterly terminus with East H Street and Proctor
Valley Road. This roadway, per the developer's request, was constructed with an additional
raised median in order to enhance the major access point through the subdivision. A raised
median is not required with a Class I Collector and as such the roadway looks more like a four-
lane Major Roadway. Design volumes for this roadway are approximately 22,000 vehicles per
day for a Class I Collector. As a comparison, a four lane Major roadway has a 30,000-vehicle
design capacity. This issue is important to note since the San Miguel Ranch Home Owner's
Association has expressed concerns over the increasing amount of traffic accessing the SR-125
northbound on-ramp at Mount Miguel Road. As noted below, traffic counts collected recently
and even before SR-125 was opened to the public show volumes less than 8,000 vehicles per
day. This roadway is operating at a Level of Service "A" that for a Class I Collector are any
volume less than 16,500 vehicles per day. City staff and Greg Hulsizer, Chief Executive Officer
with South Bay Expressways met with Commander Steve Ligler, president of the HOA, on
Monday June 9th to discuss the issues related to the toll road and local street traffic volumes.
Commander Ligler is concerned about westbound vehicular speeds on Mount Miguel Road
approaching the SR-125 area due to the downhill grade of the roadway. Staff has contacted the
Police Department for enforcement of the posted speed limit. Commander Ligler is also
concerned that the traffic volume data is not representative of the traffic situation as it pertains to
"cut-through" traffic from the Bonita area. City staff will continue to place traffic counters on
both San Miguel Ranch Road and on Mount Miguel Road but based on existing traffic volumes,
there is no remedial action required at this time since this is a public roadway and the traffic
volumes today are within acceptable levels for a four-lane roadway.
As the subdivision was developed, Mount Miguel Road was extended in a northerly and then in a
westerly direction until it reached the SR-125 toll road corridor. This work was considered
within the first two phases. Mount Miguel Road changes street names at the SR-125 corridor to
San Miguel Ranch Road. The third phase of the San Miguel Ranch subdivision is located west
of the SR-125 Corridor and as San Miguel Ranch Road was constructed, as a condition of
approval for Phase 3, the roadway was not to be opened as an access point to Proctor Valley
Road until the SR-125 toll road was opened to the public. Therefore, the westerly end of San
Miguel Ranch Road was blocked off at the intersection with Proctor Valley Road. Once the toll
road was opened, the Proctor Valley Road intersection was made available to the public as
access point to SR-125 and eastern Chula Vista. There is no traffic count data for San Miguel
Ranch Road prior to the opening of SR-125 since it only served local access.
Traffic counts completed on Mount Miguel Road located immediately east of SR-125 show a
reduction of I, I 00 vehicles per day, or a 14% reduction.
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Before ADT After ADT % Change
Mt. Miguel Road (east of SR-125) 7,900 6,800 (-14%)
San Miguel Ranch Road (west ofSR-125) Road Closed 3,185 N/A
East H Street
The most recent traffic count completed in May of 2008 shows an ADT of 71,700 in the same
location which is a decrease from the previous count conducted in early November 2007 that
showed a traffic volume of 75,500 ADT, a decrease of 3,800 vehicles per day or a decrease in
percentage of 5.8%. The westbound direction near 1-805 has increased by 2,100 vehicles per day
while the eastbound direction has decreased by approximately 6,500 vehicles per day. It is
interesting to note that the westbound daily volumes have increased by 5.5% from 38,100 to
40,200 vehicles per day but during the a.m. and p.m. peak periods, the volumes have decreased.
Eastbound daily volumes have decreased 17.4% from 37,400 to 30,900 vehicles per day.
During the morning peak period of 7 to 9 a.m., traffic volumes have decreased by 900 vehicles
from 9,400 vehicles to 8,500 vehicles, a reduction of 9.6%. During the evening peak period of 4
to 6 p.m., traffic volumes have decreased by 2, I 00 vehicles from 11,200 vehicles to 9,100
vehicles, a reduction of 18.8%.
East H Street just to the west of SR-125 has seen traffic volumes increase by 800 vehicles per
day to 22,700. This represents an increase of 3.7% over previous traffic volumes of 21,900
vehicles per day. Both the eastbound direction to the toll road and the westbound direction away
from the toll road have seen increase of2.8% and 4.5%, respectively.
East H Street Before After ADT % Change
ADT
1-805 to Hidden Vista Dr. 75,500 71,100 (-6%\
Eastlake Dr. to SR-125 21,900 22,700 + 3.7%
Otav Lakes Road & Telel!raph Canyon Road
Approximately 7-miles to the west of this interchange and SR-125/0tay Lakes Road is the
interchange of I-805/Telegraph Canyon Road. The west end of Otay Lakes Road near 1-805 is
called Telegraph Canyon Road.
In Year 2002, the ADT on Telegraph Canyon Road, just east of 1-805, was 64,100 before the
widening project to add an additional westbound lane. The roadway-widening project along the
Canyon Plaza Shopping Center was completed mid-year in 2005 and the traffic volumes had
increased by 11.2% to 72,000 by Year 2006. The most recent traffic count completed in May of
2008 shows an ADT of 61 ,900 in the same location, a decrease of 3.4% since the Year 2002 and
a 4% reduction from last year's count of 64,300.
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During the morning peak period of 7 to 9 a.m., traffic volumes have decreased by 2,300 vehicles
from 8,800 vehicles to 6,500 vehicles, a reduction of 26.1 %. During the evening peak period of
4 to 6 p.m., traffic volumes have decreased by 300 vehicles from 9,300 vehicles to 9,000
vehicles, a reduction of 3 .2%.
The westbound direction near 1-805 has increased by 600 vehicles per day from 31,400 to 32,000
vehicles per day. The eastbound direction has decreased by approximately 3,000 vehicles per
day from 32,900 to 29,900 vehicles per day.
Telegraph Canyon Road Before ADT After ADT % Change
Halecrest Drive to Oleander Ave 64,300 61,900 (-4%)
Otay Lakes Road
This roadway has been impacted due to on-going perimeter road construction at Southwestern
College for about two years. Since the perimeter road has been worked on in phases, tramc
patterns onto East H Street and to Otay Lakes Road have also been impacted and continue to
change. Generally, traffic volumes on Otay Lakes Road are up in front of Southwestern College
and east ofSR-125 bllt lower west ofSR-125 and towards Bonita Road
West of SR-125, traffic volumes on Otay Lakes Road have decreased significantly near the
intersection of St. Claire Drive/Santa Paula Drive. Before the toll road opened, the ADT was
approximately 49,400 and recently, the ADT has dropped by 13% to 43,100 ADT.
East of SR-125, the recent opening of the Eastlake Village Walk shopping Center of Eastlake
Parkway has also increased traffic in that area. Traffic volumes east of Eastlake Parkway are
higher by 1,500 vehicles per day, a 6% increase. Based on the percentage increases east of SR-
125, it appears that the shopping centers at Eastlake Village North and Eastlake Village Walk are
utilizing SR-125 as a significant access point.
An important location is that Otay Lakes Road at Bonita Road shows that there are
approximately 2, I 00 less vehicles at the very north end of Otay Lakes Road, a 7% reduction in
daily vehicles. SR-125 could have supplanted some of these trips through Bonita Road.
Otay Lakes Road Before ADT After ADT % Change
Bonita Road to Allen School Lane 31,300 29,200 (-7%)
Apache Drive'to Telegraph Canyon Road 30,300 38,200 +26%
St. Claire Drive to SR-125 49,400 43,100 (-13%)
Eastlake Parkway to Lane Avenue 24,800 26,300 +6%
Hunte Parkway to Wueste Road 7,600 8,300 +8%
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Olvmpic Parkway
In Year 2001, the ADT just east of 1-805 was 27,100 before the interchange widening and
roadway extension project. The extension of Olympic Parkway from Brandywine Avenue to
Eastlake Parkway was not completed until June of 2001. The interchange project commenced in
June of2005 and was completed in the spring of2007. Traffic volumes had increased to 51,900
just prior to the opening of SR-125. The most recent traffic count completed in May of 2008
shows an ADT of 47,000 in the same location, a decrease of 4,900 vehicles per day or 9% since
before the toll road opened. Westbound traffic volumes have decreased from 24,900 to 23,300
vehicles per day (-6%) while eastbound traffic has decreased more significantly from 27,000 to
23,700 vehicles per day (-12.2%).
During the morning peak period of 7 to 9 a.m., traffic volumes have decreased by 2,300 vehicles
from 6,700 vehicles to 5,100 vehicles, a reduction of23.9%. During the evening peak period of
4 to 6 p.m., traffic volumes have decreased by 300 vehicles from 7,700 vehicles to 7,000
vehicles, a reduction of 9.1 %.
While the west end of Olympic Parkway has seen a reduction in volumes, the east end near SR-
125 has increased by 13% west of SR-125 and 5% just east of SR-125. Retail activity has also
increased at the east end of this roadway due to the expansion of the movie theaters and other
stores and restaurants at the Otay Ranch Shopping Center. Traffic volume changes suggest that
origin-destination trips near SR-125 have increased.
Olymnic Parkwav Before ADT After ADT % Change
1-805 to Oleander Avenue 51,900 47,000 (-9%)
E. Palomar Street to SR-125 38,700 43,600 +13%
SR-125 to Eastlake Parkwav 38,700 40,500 +5%
Birch Road
Once landscaping along the toll road shoulders is completed between Birch Road and the Otay
Mesa Toll Plaza, bicyclists will be allowed to use the shoulder area. Bicycle access is part ofthe
SR-125 project conditions and design elements since there are no other bicycle facilities within
the area to cross the Otay Valley River. Bicycle access will be allowed sometime later this
summer.
Birch Road traffic volumes have increased and as development continues in Otay Ranch and the
Eastern Urban Center; volumes are expected to increase.
Birch Road Before ADT After ADT % Chan!!e
Magdalena A venue to Eastlake Parkway 4,300 4,600 +8%
Bob Pletcher Way
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June 17, 2008
The toll road has not affected this local street undercrossing, since the area to the east of the toll
road is currently undeveloped. The area to the east is part of the Eastern Urban Center.
Rock Mountain Road (future interchan!!e & roadwav)
Currently, there is no interchange or local street roadway at this location. City staff has begun
discussions with South Bay Expressways staff on the timing for construction of the adjacent
roadway and the interchange.
Otav Vallev Road (future interchan!!e & roadwav)
This interchange, if constructed, would be built at the very south end of the City of Chula Vista.
At this point in time, the need for this interchange would depend on the adjacent land uses and
projects proposed for the vicinity. Depending on the proposed projects for the area, the need for
this interchange would be determined as part of those project approvals. In addition, if studies
show that the Rock Mountain Road interchange could not accommodate proposed land use
changes, then the Otay Valley Road interchange will be pursued
Toll Incentive Pro!!ram
On July 17, 2007, the City Council approved Resolutions 2007-181 & 2007-182 that approved
$1.8 M to be used as a toll incentive credit to those residential and non-residential properties that
paid into the Interim SR-125 DIF. Generally speaking, these properties are located closer to SR-
125 than to 1-805. From September 2007 through the end of March 2008, approximately 18,000
eligible residences and about 75 businesses were contacted via mail and were offered electronic
toll credits to encourage the use ofSR-125. By utilizing this toll incentive, vehicular trips would
be redirected from eastern Chula Vista to 1-805 to a more direct route of the local street to SR-
125, thus helping to reduce the congestion on the local streets closest to 1-805.
To date, approximately 33% of the eligible properties have taken advantage of this program.
City staff is continuing to work with South Bay Expressway staff so that more of these eligible
properties sign up for the FasTrak electronic toll system.
Other Issues Affectin!! Traffic Patterns
In preparing the impacts to the local roadway system due to State Route 125, it has been difficult
to show the true effects of this toll road due to a number of factors that have in some way also
affected each of the corridors due to localized, regional or national issues. Some of the factors
that have not been separated out are those affects due to the rising fuel costs over the past year,
the local economy and unemployment rates, the foreclosure market and consequently, the slow
down in construction jobs related to the housing industry which was exceptionally strong during
the time period from fiscal year 2000 through fiscal year 2006. During that seven-year period,
the annual average number of building permits issued was over 2,500 per year. This building
boom slowed down dramatically in fiscal year 2007 and fiscal year 2008 when only 576 and 224
building permits were issued, respectively. Staff will continue to monitor the major corridors as
part of the Growth Management Oversight Commission (GMOC) traffic threshold requirements.
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Honorable Mayor and City Council
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June 17,2008
Growth Management Oversight Commission
On Thursday June 5, 2008, there was a special joint workshop/meeting of the City Council,
Planning Commission and GMOC. In the report, for the period of July I, 2006 through June 30,
2007 SR-125 was not opened to the public. During that reporting period, the following locations
exceeded the City threshold standard for tratric by exceeding Level of Service of "0" for more
than two hours of the day:
I. Heritage Road from Olympic Parkway to Telegraph Canyon Road.
2. La Media Road from Olympic Parkway to Telegraph Canyon Road.
3. Otay Lakes Road from East H Street to Telegraph Canyon Road.
City Traffic Engineering staff found that at these locations, the excessive delay was caused by
the last traffic signal in the corridor. Therefore, the issue of adjusting the signal timing to reduce
the delays at these north/south intersections would increase delays on Telegraph Canyon Road
and at East H Street. Due to the impending opening of SR-125, it was decided to wait until the
opening of the toll road and then wait a few months for traffic patterns to change before any
signal timing changes would be implemented.
To date, here is an update on five intersections that are located along the three corridors that
failed the City's traffic threshold standard and one location at Broadway/Palomar Street that the
Palomar Street corridor is at the threshold standard:
. Broadway/Palomar Street: Although this location is not impacted with the opening of
SR-125 and it has not exceeded the City's traffic threshold standards, eastbound Palomar
Street at the intersection with Broadway is at two hours of LOS "0" during the p.m. peak
period. At the June 5th workshop there was discussion regarding the number of hours that
this location is at the threshold standard. Staff has looked at the data and the p.m. peak
period volumes are the highest in the day during the two-hour period of 4 p.m. to 6 p.m.
Before and after this period, volumes are lower and the level of service does not exceed
"0". During the California Transportation Commission hearings of May 28th and 29th,
City staff was informed that a $640,000 grant, submitted in collaboration with SANDAG
staff, was approved. The funding source is Proposition 1 B "Traffic Light
Synchronization Program" (TLSP). The grant was approved for the Broadway &
National City Blvd corridor, the H Street corridor and the Palomar Street corridor. Work
is expected to begin in a few months.
. Heritage Road/Paseo Ranchero/Telegraph Canyon Road: A.M. peak hour delays have
been reduced by up to 17 seconds for Heritage Road and 11 seconds for Paseo Ranchcro.
Staff is conducting the data collection runs on this corridor to determine the overall level
of service improvement on the north/south corridor and the level of service impacts to the
east/west corridor. A.M. peak hour impacts due to Casillas Elementary School and
Rancho Del Rey Middle School significantly affect the subject intersection performance.
The longest signal-timing plan of 160 seconds has been eliminated and the longest is now
at 144 seconds.
. Heritage Road/Olympic Parkway: The traffic signal timing plans have been revised as
of May 15th This intersection has a very heavy south-to-east left turn demand in the
morning peak period due to Otay Ranch High School. No data is yet available for the
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Honorable Mayor and City Council
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June 17,2008
improvements at this intersection. Staff will provide this information during the next
GMOC review cycle that covers the period in which SR-125 was opened to the public.
o La Media Road/Otay Lakes Road/Telegraph Canyon Road: The traffic signal timing
plans have been revised as of May 30th and some improvement has been noticed. Since
Southwestern College has had their perimeter road project on-going and the end of
semester traffic demands are less than the beginning of the semester, staff will continue
to monitor this location as well as the Otay Lakes Road corridor to see what other
improvements can be made. There is a Capital Improvement Project to widen Otay
Lakes Road from Telegraph Canyon Road/La Media Road to Canyon Drive/Ridgeback
Road. This project is in the design phase at this time.
. East H Street/Otay Lakes Road: This location has incomplete improvements along
the southwesterly corner of the intersection. There are a high percentage of vehicular
turning movements and pedestrians at this skew intersection. Staff is working on an
intersection analysis to determine the ultimate improvements needed but at the same time
working within the right-of-way constraints. Staff is considering several geometric
improvements to the left turn lanes and the right turns lanes among other items, due to the
high percentage of turns from each direction.
Attachments:
1. SR-125 Interchange Location
2. Freeway Interchange Traffic Volumes (Pre & Post SR-125 Opening) 24 Hour Weekday
Directional ADT
3. Traffic Volumes (Post SR-125 Opening)
4. Freeway Interchange Traffic Volumes (Pre & Post SR-125 Opening) A.M. Peak
Directional ADT
. 5. Freeway Interchange Traffic Volumes (Pre & Post SR-125 Opening) P.M. Peak
Directional ADT
6. Pre-SRl25 Volume Counts
7. Post SR-125 48 Hour Volume Counts
M:\Engineer\AGENDA\CAS20081.06-17-08\SR125 info item.doc
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24 HR WEEKDAY DI.RECTIONAL ADT
3.9k /'2.1k (-46.2%) 3.9k / 3.2k (-17.9%)
Mt Miauel Rd/San Miauel Ranch Rd
3.9k I 2.6k (-33.3%) 3.9k / 3.6k (-7.7%)
38.1k / 40.6k (+6.6%)
11.1k /11.6k (+4.5%)
East 'H' Street
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37.4k / 31.1k (- 6.8%)
10.8k /11.1k (+2.8%)
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31.4k /32.0k (+1.9%) 25.1kJ 21.6k (-13.9%)
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Telel;Jraoh Canyon Rd/Otay Lakes Rd
32.9k / 29.9k (-9.1%) 24.3k / 21.6k (-11.1%)
24.9k / 23,3k (-6.0%)
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12.4k /13.5k (+8.9%)
....,
12.4k /12.9k (+4.0%)
19.3~ 21.7k (+12.4%) 19.3k /19.6k (+1.5%)
....., .....
Olymoic Parkway
27.0k / 23.7k (-12.2%)
19.3k / 21.8k (+13.0% 19.3k / 20.9k (+8.3%)
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,4,600
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Change (+/-2%
(Volumes collected
during Spring 2008)
TRA'FFIC VOLUMES
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AM PEAK DIRECTIONAL ADT
~7:00 - 9:QO AM}
780/380 (-51.3%)
Mt Miauel Rd/San Miauel Ranch Rd
780/770 (-1.3%)
350/230 (-34.3%) 350/310 (-11.4%)
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5.6k 15.9k (+5.4%)
2.3k 11.2k (-47.8%)
East 'H' Street
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3.8k 1 2.6k (-31.6%)
1.0k 11.1k (+10.0%)
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3.5k 1 2.3k (-34.3%)
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3.9k 1 2.4k (-38.5%)
TelegraDh Canyon Rd/Otay Lakes Rd
2.7k 1 2.5k (-7.4%)
3.9k 1 3.5k (-10.3%)
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2.6k 13.1k (+19.2%)
4t
OlymDic Parkway
2.8k 11.6k (-42.9%)
1.8k 11.9k (+5.6%)
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2.0k 11.9k (-5.0%)
....
1.7k 11.5k (-11.8%)
2.6k 11.7k (-34.6%)
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1.8k 11.8k (0%)
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470 1270 (-42.6%) 470 I 350 (-25.5%)
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Mt Miauel Rd/San Miauel Ranch Rd
790/580 (-26.6%) 790/820 (+3.8%)
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4.9k I 5.3k (+8.2%)
1.4k 11.9k (+35.7%)
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East 'H' Street
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6.3k I 3.8k (-39.7%)
2.2k 11.9k (-13.6%)
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4.2k 14.1k (-2.4%)
......
3.7k I 3.1k (-16.2%)
~
5.1k I 4.9k (-3.9%)
TelearaDh Canyon Rd/Otay Lakes Rd
4.0k I 3.4k (-15.0%)
3.1k I 2.9k (-6.5%)
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2.6k I 3.1k (+19.2%)
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OlYmpic Parkway
4.6k 14.1k (-10.9%)
3.3k I 3.3k (0%)
,~;)j:G~~.~D~ ~;:';\"/~~.~~~~:"::
ADT I Post-125'ADT;(%~c:himg~)"
^ -, ." _ ,"".'.'. ._. _ C"P-' .~. /4
3.9k 11.6k (-59.0%)
-41lI
2.0k 11.8k (-10.0%)
2.6k/2.8k(+7.7%)
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3.3k I 3.3k (0%)
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Pre-125
Volume Counts
2007 (day1) 2007 (day2)
# STA St Names From To Total Average NB/EB SB/WB NB/EB SB/WB
1 Birch Rd Magdalena Avenue Eastlake Parkway 4,259 2094 2158 2107 2159
2 Corral Canyon Rd Country Vistas Lane North Chula Vista City Limits 6,918 3309 3508 3429 3590
3 HST-9 East H St 1-805 Hidden Vista 75,512 37189 38173 37679 37983
4 HST-19 East H S\ Eastlake Dr SR 125 21,980 10880 11231 10862 10987
5 HUN-1 Hunte Pkwy Proctor Valley Rd. Otay Lakes Rd. 4,865 2470 2382 2507 2370
6 HUN-2 Hunte Pkwy Otay Lakes Rd. N. Greensview 11,278 5745 5559 5725 5527
7 LAM-1 La Media Telegraph Canyon Rd East Palomar 38,650 19319 19331
8 LN-1 Lane Ave Proctor Valley Rd. Stone Canyon Rd. 7,903 4290 3967 3951 3596
9 Mount Miguel Rd SR-125 Calle La Marina 7,874 3957 3982 3899 3910
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<nl OLY-1 Olympic Pkwy 1-805 Oleander 51,877 26659 24554 27259 25281
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11 OLY-6 Olympic Pkwy E. Palomar St. SR 125 38,650 19319 19331
12 OLY-7 Olympic Pkwy SR 125 Eastlake Pkwy - - - - -
13 OLR-1 Otay Lakes Rd Bonita Allen School Lane 31,261 14800 16390 15090 16242
14 OLR-8 Otay Lakes Rd Miracosta Cir./Apache Telegraph Canyon/La Media 30,311 14642 15597 14795 15587
15 OLR-11 Otay Lakes Rd St. Claire Eastlake Pkwy 49,364 24358 25254 24150 24966
::
16 OLR-12 Otay Lakes Rd Eastlake Pkwy Lane Ave 24,769 12376 12438 12347 12377 ~
~
17 OLR-14 Otay Lakes Rd Hunte Pkwy Wueste Rd. 7,625 3738 3955 3681 3875
~
18 Proctor Valley Rd San Miguel Ranch Rd North Chula Vista City Limits 2,1~8 1062 1145 1059 1109 ~
19 San Miguel Ranch Rd Avenida Loretta SR-125 - - - - i
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20 TCR-3 Telegraph Canyon Rd. Halecrest CresUOleander 64,293 32934 31581 32864 31206~
,
21 WIL-1 WillowSt Sweetwater Bonita 14,961 8138 6750 8407 6626
Post-125
48 Hr Volume Counts
Total Ave. (20081 2008 (day 1) 2008 (day 2)
# STA St Names From To Total Ave. (2007) EB/NB WB/SB EB/NB WB/SB
1 Birch Rd Magdalena Avenue Eastlake Parkway 4,259 4,580 2477 2139 2493 2051
2 Corral Canyon Rd Country Vistas Lane North Chula Vista City Limits 6,918. 6,974 3478 3578 3398 3493
3 HST-9 East H SI 1-805 Hidden Vista 75,512 71,124 30933 40191
4 HST-19 East H St Eastlake Dr SR-125 21,980 22,706 11064 11696 11141 11510
5 HUN-l Hunte Pkwy Proctor Valley Rd. 01ay Lakes Rd. 4,865 4,520 2114 2403 2076 2446
6 HUN-2 Hunte Pkwy Otay Lakes Rd. N. Greensview 11,278 11,524 5574 6060 5512 5882
7 LAM-l La Media Telegraph Canyon Rd East Palomar 24,208 25,420 13379 12557 12781 12122
LN-l Lane Ave Proctor Valley Rd. Stone Canyon Rd. 7,903 6,708 3317 3240 3455 3404
MTM-1 Mount Miguel Rd SR-125 Calle La Marina 7,874 6,818 3206 3568 3263 3597
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- Mount Miguel Rd Calle La Marina Proctor Valley Rd - 10,101 4935 5242 4846 5178
-
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OLY-l Olympic Pkwy 1-805 Oleander 51,877 46,950 23675 23214 23661 23349
OLY-6 Olympic Pkwy E. Palomar SI. SR-125 38,650 43,563 22467 21791 21165 21703
OLY-7 Olympic Pkwy SR 125 Eastlake Pkwy - 40,478 20285 19864 21493 19314
8 OLR-l Otay Lakes Rd Bonita Allen School Lane 31,261 29,222 14109 14678 14559 15097
9 OLR-8 Otay Lakes Rd Miracosta Cir.lApache Telegraph Canyon/La Media 30,311. 38,179 18565 19253 19243 19297
11 OLR-11 Otay Lakes Rd SI. Claire Eastlake Pkwy 49,364 43,108 21352 21276 21757 21830
12 OLR-12 Otay Lakes Rd Eastlake Pkwy Lane Ave 24,769 26,326 12790 13858 12912 13091
13 OLR-14 Otay Lakes Rd Hunte Pkwy Wueste Rd. 7,625 8,261 4006 4300 4050 4165
17 Proctor Valley Rd San Miguel Ranch Rd North Chula Vista City Limits 2,188 4,319 2210 2061 2253 2113
18 San Miguel Ranch Rd Avenida Loretta SR-125 - 4,706 2036 2646 2088 2641
20 TCR-3 Telegraph Canyon Rd. Halecrest Crest/Oleander 64,293 61,902 29255 32059 30638 31851
21 WIL-l WillowSt Sweetwater Bonita 14,961 15,033 7360 7965 6928 7813
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