HomeMy WebLinkAboutReso 1989-15349
RESOLUTION NO. 15349
RESOLUTION OF THE CITY COUNCIL OF THE CITY OF
CHULA VISTA ADOPTING A STREET DESIGN STANDARDS
POLICY
The City Council of the City of Chula Vista does hereby
resolve as follows:
WHEREAS, the City's General Plan includes a Circulation
Element which prescribes a network of streets categorized by size
and function based on anticipated future traffic demands, and
WHEREAS, the street network shown in the Circulation
Element is designed to complement future land developments with
the intent that anticipated travel can be served adequately, and
WHEREAS, the Circulation Threshold Standards stipulate
generally that peak period traffic demands resulting from
proposed developments should not be allowed if the traffic
volumes produced on the development will cause excessive delays
and congested conditions, and
WHEREAS, the street design standards are now being
updated to specify the width, number of lanes and other design
r~ tures necessary to insure that there is sufficient capacity to
~ Jmmodate anticipated future travel.
NOW, THEREFORE, BE IT RESOLVED that the City Council of
the City of Chula Vista does hereby adopt a Street Design
Standards Policy, attached hereto as Exhibit "A" and incorporated
herein by reference as if set forth in full.~
Director of
Approved as to form by
1
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mas J. Harr
Presented by
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Resolution 15349
,SSED, APPRDVED, and ADOPTED by the City Council of the City of Chula Vista,
California, this 17th 'day of October, 1989 by the following vote:
AYES:
NOES:
ABSENT:
ABSTAIN:
Counci 1 members
Council members
Cou nc il members
Counc il members
Malcolm,McCandliss, Moore, Nader, Cox
None
None
None
Jl"y ~ 'or~"
ATTEST:
TATE OF CALIFORNIA )
~OUNTY OF SAN DIEGO ) ss.
CITY OF CHULA VISTA )
I, Beverly A. Authelet, City Clerk of the City of Chula Vista, California, do
hereby certify that the foregoing Resolution No. 15349 was duly passed,
approved, and adopted by the City Council of the City of Chula Vista,
California, at a regular meeting of said City Council held on the 17th day of
October, 1989.
Executed this 17th day of October, 1989.
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Reso #15349
THE CITY OF CHULA VISTA
CALIFORNIA
STREET DESIGN
STANDARDS POLICY
, ~
-,
TABLE OF CONTENTS
"
INTRODUCTION. . . .
.. .. . .. .. . . . . .. .. .. .. .. .. .. .. .. .. .. .. ..
1. Expressway.......
2. Six-Lane Prime Arterial.
3. Six-Lane r~ajor . . . . .
4. Four-Lane Major. . . . .
5. Class I Collector Street
6. Class II Collector Street.
7. Cl ass I II Collector Street
8. Residential Street
9. Industrial Road. .
ADDITIONAL DESIGN CRITERIA.
.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
INTERSECTION STANDARDS
EXHIBITS
DESCRIPTIONS
A
Chart-Intersection Standards. . . . . . . .
B
Six-Lane Arterial
(with right turn lane and dual
left turn lanes). . . . . .
(with single left turn lane. .
C
Six-Lane Major
(with right turn lane and dual
left turn lanes). . . . . .
(with dual left turn lanes).
(with single left turn lane)
PAGE
1
2
3
4
5
7
8
9
10
11
12
13
14
14
15
15
16
TABLE OF CONTENTS
PAGE
D
Si x-Lane ~1aj or
(in developed areas west of
I-80S - with dual left turn
1 anes). . . . . . . . . . .
16
E
4-Lane Major
(with right turn lane and dual
left turn lanes). . . . . .
(with dual left turn lanes).
(with single left turn lane)
17
17
18
F
Class I Collector Street
(in developed areas west of 1-805) . . .
19
G
Class III Collector Street
(in developed areas west of 1-805) . . .
19
The Street Design Standards Policy was adopted by City Council
Resolution 15349 on October 17, 1989.
STREET DESIGN STANDARDS
These are mlnlmum standards prepared by the Engineering Division, Public Works
Department, for the i nformati on and gui dance of both Ci ty staff and those
professionals in the private design sector responsible for the design of the
Ci ty' s streets.
The street design standards establish uniform policies and procedures to carry
out the City's General Plan, and Circulation Element goals. It is neither
intended as, nor does it establish, a legal safety standard for these
functions.
These standards are applicable primarily to areas without unusual
problems (hillsides) and in developed areas of the City where
buildings do not create obstacles in obtaining needed right-of-way.
terrain areas (hillside).
In rough terrain areas (hillside) and in developed areas of the City where
existing buildings create obstacles, flexibility of the Street Design
Standards may be appropriate. In these cases, deviations may be approved only
if it can be demonstrated by a registered civil engineer that the City
standards are not reasonably achievable. The deviation must conform with
common engineering practice and standards in consideration of public safety.
terrain
existing
In rough
The widths and configurations of streets shown in this manual are related to
the estimated future average daily traffic (ADT) for level of service (LOS)
"C".
Streets must be designed as required for the various functional
classifications. Whenever expected ADT is greater than the approximate
maximum ADT stated, the street shall be designed to a higher satisfactory
functional classification as shown on the attached table.
In cases where a more precise discretionary action has been taken by Director
of Pl anni ng with regard to 1 andscapi ng and slopes, that acti on shall prevail
over the standards herein.
10/25/89
-1-
1 . EXP RESS\/A Y
Design ADT
Minimum design speed
Curb-to-curb
Ri ght-of-way
Maximum grade
Minimum curve radius
70,000
60 mph
104' (includes a 16' raised median)
128'
6%
1,500' with 5::; superelevation to 2,500' with
no superelevation
Expressways are designed to move high volumes of traffic between -major
gener-ators and to distribute traffic to and from the freeway system and
pt;ovi de,' i ll.~~rcC?I1I/lIYcn ttj(, ~ac,,~~, c
~lajg~'c ~~iis;ingssha 11 obe',o ;piced- no {e-ss" than one mil e interval s except
upon approval ,of the City Engineer. These major crossinqs shall be
controned. by 'grade .separated u'rban interchanges. Also, at locations
where the expressway faci 1 ity crosses regi ona 1 freeways, speci al
interchange geometric configurations may be required to carry the high
volumes anticipated on the expressway. .facility. A raised median is
required ..to separate the two directions of travel and to improve the
visual appearance of the expressway corri dor. No medi an openi ngs shall be
pel}l!itted. .
Access to. and from the expressway from minor streets or abutting
properties :shall typically be restricted. Limited street or drivewav
access wi"- 'only be considered 'by the City Engineer if all other feasible
means of obtaining alternate access have been exhausteo. Expressways
snall provi de landscaped. buffer areas. Pedestri an crossi ng demand shoul d
be well planned, focused and controlled--to allow the periodic placer.1ent of
mid-block overpasses to link major generators and attractors where
appropriate. All non-motorized travel and parking on this facility shall
be.prohibited with. the exception of emergency parking.
There are three primary design features which contribute to higher roadway
capaci ty on the expressway faci 1 i ty. ,These capaci ty i ncreasi ng features
include one mile spacing of major crossing intersections, grade separated
urban interchanges and restricted access.
It
it
5'
5'
20'
( LAN10SCAPED
BUFFER AREA
EASEMENT OR
-- OPEN SPACE
I ."5:1 MAX
zO/o '
-<J ---=.. ~
12'
20'
12B'
LANOSCAPED ~
BUFFER AREA
EASEMENT OR
OPEN SPACE
t*)6" MAX
, 20/0,
::..::=-=-~
2.1 MAX
~~""''' 4.1 "
PARKING
64'
64'
12'
44' 8' S'
44'
2% ~~
1,,',,1 ~ ~,t
~
12' 12'
B' EMERGENCY
PARKING
EXPRESSWAY
*
than 5: 1 may be acceptable as determi ned by the
Landscaped slopes' grea ter
Director of Planning.
10/12/89
-2-
2. SIX-LANE PRIME ARTERIAL
Design ADT
Minimum design speed
Curb-to-curb
Right-of-way
Maximum grade
Minimum curve radius
50,000
55 mph
104' (includes a 16' median)
128'
6%
1,150' with 5% superelevation to 2,000' with
no superelevation
The prime arterials are designed to move traffic between 'major
generators. Typically, i ntersecti ons shall be spaced no c1 oser than 660
feet unless otherwise approved by the City Engineer and signalized
intersections shall be spaced at one-quarter mile intervals. A raised
median is required to separate the two directions of travel and to improve
the visual appearance of the arterial corridor. No median openings shall
be permitted except at major intersections.
Access to and from prime arterials from minor streets or abutting
properties shall typically be, restricted. No direct access from
single-family residential homes is allowed. Should a property have
frontage only on the prime arterial facility, driveway or minor street
access shall be permitted at locations deemed appropriate by the City
Engi neer. These access points shall be limited to ri ght turns in and
right turns out only. Also, these access points shall require additional
roadway wi dth to provi de for accel erati on and decel erati on 1 anes. Prime
arterials shall also provide landscaped buffer areas. Pedestrian crossing
demand should be well planned, focused and controlled to allow for
crossings at major signalized intersections as well as the periodic
placement of mid-block overpasses to link major generators and attractors
where appropriate. Parking on this facility shall be prohibited with the
exception of emergency parking. Bike lanes shall be provided on these
prime arterial facilities according to the routes identified in the
bicycle plan.
Widen all approaches to intersections as per Exhibit "A" in order to
provide for additional lanes, as per Exhibit "B."
20'
~ ~
12S'
20'
64'
64'
LANDSCAPED SUFFER
AREA EASEMENT 12'
OR OPEN SPACE
......-1'" 7'
5:1 MAX 5'
44'
8' s'
44'
12'
LANOSCAPEO
S SUFFER AREA
EASEMENT OR
OPEN S PAC E
5' ...
"tJ:
zO/o
-.
2,0/0
20/020/0
-~
zO/o
ZO/o
i
EMERGENCY
PARKING/ BIKE
8' 12' /2' 12'
IZ' 12'
12' 8'
EMERGENCY
PARKING/BIKE
6-LANE PRIME
*
Landscaped slopes greater than 5:1 may be acceptable as determined by the
Director of Planning.
10/12/89
-3-
3. SIX-LANE MAJOR
Design ADT
Minimum design speed .
Curb-to-curb
Ri ght-of-way
Maximum grade
Minimum curve radius
40,000
45 mph
104' (includes a 16' median)
128'
7::;
1,100' with no superelevation
Major streets are primarily designed to distribute localized .trips.
Typically, i ntersecti ons shall be spaced no closer than 660 feet unl ess
_9therwise ~pproved by the City Engineer and signalized intersections shall
be spaced"atone-quarter mil e interval s. A rai sed medi an is requi red to
separate the two directions of travel and to improve the visual appearance
of the major corridor. One mid-block median opening may be permitted with
approval of the City Engineer. Such intersection and any resulting
signals shall not negatively impact signal progression and traffic flow on
major streets. This opening shall typically be spaced at the mid-point
between the major intersections (approx. 660'1. The specific location of
these median openings shall be determined by the City Engineer.
Access 'to" 'and from six-lane major streets from abutting properties
(colTlllerciall shall typically be controll ed but not restricted. No direct
access from single-family residential homes is allowed. Full access
median openings will be permitted on these facilities only at locations
specifi ed by the Ci ty Engi neer and under condi ti ons establ i shed by the
city. Parking on these facilities shall typically be allowed. However,
parking at critical locations may be denied as deemed appropriate by the
City Engineer. If a bike 1 ane is to be provi ded in confonnance with the
Bicycle Element on this six-lane major facility and parking is to be
retained, an additional 10 feet of right-of-way will be required to allow
for a 10-foot widening of the roadway cross section. Six-lane major
arteri al s shall also be provi ded 1 andscaped buffer areas. Pedestri an
crossing demand should be well planned, focused and controlled to direct
pedestrians to designated crossing points at signalized intersections.
Widen all approaches to intersections as per Exhibit "A" in order to
provide for additional lanes, as per Exhibit "c" and "D."
f/..
LANOSCAPEO
SUFFER AREA")
EASEMENT L- 12 I
I 8
'F '
5:1 MAt&4
'- I .
...... 20/0
I --- -L-,.
---
PARKING
2:1 MAX a'
It
128' 20'
64' 64' LANOSCAPEO
44' s' S' 44' 12' S SUFFER AREA
, EASEMENT
s' I .
< f""
20/0 2% 20/0 20/0' 2% ---!/
I -1- -' - <:::: I
t:J r::
li.
PARKING
12' 12' 12' 12' 12' 12' a'
20'
6-LANE MAJOR
* Landscaped slopes grea ter than 5: 1 may be acceptab 1 e as determi ned by the
Director of Plannin~.
10/12/89
-4-
It It
8' '"
IIZ'/1I6' 8'
'" ..
'"",, 10/'1z' 39' 7' 7' 39' 10'/IZ'
I
2:1 MAX .. *'
I 1 5,5'/8' 5,5'/S' r-
"
2% ZO/o 20/0 20/0 20/0
~:J~ ~ --
"-' I -
NO It. NO
LANDSCAPED P/l.RKING PARKING LANOSCAPEO'
BUFFER AREA 17' JI' II' 14' JI' II' 17' BUFFER AREA
EASEMENT EASEMENT
'"116' RIGHT-OF- WAY DUE
TO 8' SIDEWALK IN
COMMERCIAL AREA
6- LANE MAJOR
, .
{\'( DEVELOPE 5':AR EA'W /0 "[::iiosi\
,,~~.oc_ .,., ',- '''''''.''~_'' ,'--' - .. - '.......... -', ~'.r-!'" -'..
** Landscaped slopes greater than 5:1 may be acceptable as determined by the
Director of Planning.
30,000
55 mph
80' (incl udes a
-, 16' median)
104'
7%
1,150' 'Nith 5%
superelevation
to 2,000 with
no
supere1 evati on
Major streets are primarily designed to distribute localized trips.
Typically, intersections shall be spaced 110 closer than 660 feet unless
otherNise approved by the City Engineer and signalized intersections shall
be spaced no closer than one-quarter mile intervals. A raised Qedian is
required to separate the two directions of travel and to improve the
visual appearance of the arterial corridor. One mid-block median opening
may be permitted only with approval of the City Engineer. Such
intersection and any resulting signals shall not negatively impact signal
progression and traffic flow on major streets. This opening shall
typically be spaced at the mid-point Jetween the major intersections
(approx. 660'). The specific location of these median openings shall be
detemined by the City Engineer.
4. FOUR-LANE MAJOR'
.,
Commercial Area
(frequent driveways)
Design ADT
Minimum design speed
Curb-to-curb
28,000
45 mph
80' (includes a
.~-'. 16' medi an)
104'
7%
1,100' with no
superelevation
Ri ght-of-way
Maximum grade
Minimum curve radius
10/12/89
-5-
Low Density Area
,/
Access to and from four-lane major streets from abutting properties shall
typically be controlled but not restricted. No direct access from
single-family residential homes is allowed. In developed area of the City
direct access from single-family homes could be allowed with approval of
City Engineer. Full access median openings will be permitted with
approval of the City Engineer on these facilities only at locations
specifi ed by the Ci ty Engi neer and under conditi ons establ i shed by the
city. Parking on these facilities shall typically be allowed. However,
parking at critical locations may be denied as deemed appropriate by the
City Engineer. If a bike lane is to be provided in conformance with the
Si cyc:l e Dem~,n.t"o~~"thi~ ,f.our-1 ane~, m.ajor...,?fa~i1it~:;~!ld,,(i.1"r,kl,llg~j!!,~1:(l dbe.
retalned.;;'an/addltlonaL,)O, feet of, nght-of-way ',01111, be requ1red to allO\~
for' a 10-foot widening' of the roadway, cros)> section. Four-lane majors
shall al so provide landscaped buffer areas. Pedestrian crossing der.land
should be well planned, focused and controlled to direct pedestrians to
designated crossing points at signalized intersections. .
Wi den all approaches to i ntersecti ons as per Exhi bit "A" in order to
provide for additional lanes, as per Exhibit "E."
If.
-1<
100'/104'
It
20'
20'
LANDSCAPEO
BUFFER AREA
EASEMENT
'10'/12' ,..
10'/12'"
'ri--=~X
~2:1 MAX
-j
~
.,.
5,5'/8'
..
5,5/8'
r-
LANDSCAPED
BUFFER AREA
EASEMENT
,...
-5; I MAX
-"
J
"
32'
81 8'
32'
20/0
z%~
ZO/o
20/0
12'
I. 12' .1
It.
PARKING 4,
"'104' RIGHT-OF- WAY DUE
TO 8' SIDEWALK IN
COMMERCIAL AREA
12'
12' 8'
PARKING
2:1 MAX/
,.4- LANE MAJOR
** Landscaped slopes greater than 5:1 may be acceptable as determined by the
Director of Planning.
10/12/89
-6-
5. . CLASS I COLLECTOR STREETS
Design ADT
~inimum design speed
Curb-to-curb
Ri ght-of-way
r.laximum grade
Minimum curve radius
22,000
45 mph
74'
94'
9%
700' with 5% superelevation to 1100' with no
superel eva ti on
Class I collector ,streets serve primarily to circulate localized traffic
and_to distribu.tetraffic to and from arterials and major streets. Class
I collectors" are designed to accommodate four lanes of traffic, however,
thE;!y'carry lower traffic volumes at slower speeds than major arterials,
and'they have a continuous left turn lane separating the two directions of
traffic flow. Typically, intersections shall be spaced no closer than 660
feet unless otherwise approved by the City Engineer and signalized
intersections shall be spaced at one-quarter mile intervals.
Access to arid f.rpm thi s . Cl ass I coll ector street from abutti ng properti es
shall'typically be controlled but not restricted. No direct access from
single-family. residential homes is. allowed. In developed area of the City
direct access from single-family homes could be allowed with approval of
City Engineer. Parking on this facility shall typically be allowed.
However, Ra,r:king at critical locations may be denied as deemed appropriate
by theCi ty Engi neer. .. 1 t, '{'bike ,1 ane ~ is to. be provi ded, i n. conformance
with .the Bicycle Element on this Class ,1 facility and. parking is, to, be
retained,:'an additional lD feet of right-of-way,will be required to allow
for a 10-foot widening of the roadl~ay cr.oss section."
In special cases .if no abutting property access is allowed, the strip's
median, with approval of City Engineer,can be reduced to 4 feet.
Iii th approval of Ci ty Engi neer, in developed.,a reas, wi th 1 essthan 74 .feet
curb to curb (64') ,~no,-)~idel1ing .... is required' except at.., approaches to'
intersections as per oE,diil:iit.""A"! Approaches shall be desi gned as per
Exhibit "F." . Left turn into an intersection driveway will be prohibited
by a raised median. Further modifications may be allo\~ed to this standard
as a result of the existing and projected traffic volumes.
.
8'
It
"'"88'/94'
I(.
8'
LANOSCAPED ~
SUFFER AREA
EASEMENT
?,;IM
2:1 MAX .:;
~/ PARKING sr' '. 12'
, I
10' , * 34'/37' *"34'/37' I 10' 5L
11 S
~ r ~
I It
~~, 20/0 I 2%
, , I I ! .
AND'lCAPED
UFFER AREA
EASEMENT
.....,...
5;' MAX -"
/"
~
12" ,4/10'
12' J
,
~:IMAX
~ PARKING
121 al
, .,l;-
THE MEDIAN
wrOTH MAY 8E REDUCED
TO 4' WITH THE APPROVAL
OF THE CITY ENGINEE'-
CLASS I COLLECTOR
** Landscaped slopes, greater than 5:1 may be acceptabl e as determi ned by the
Virector of Planning.
10/12/89
-7-
6. CLASS II COLLECTOR STREETS
Design ADT
Minimum design speed
Curb-to-curb
Ri ght-of-way
Maximum grade
Mini~um curve radius
12,000
30 mph
52'
72'
10% residential zone
300' with 4't superelevation to J;SJl:. with no
supere 1 eva ti on
Class II collector streets with two-way center turn lanes serve primarily
to circulate localized traffic and to distribute traffic to and from
arterials, major streets and Class I collectors. Class II collectors are
desi gned to accoJ!llllodate two 1 anes of traffi c, however, they carry lower
traffic volumes at slower speeds than Class I collector streets. This
type of faci 1 i ty provi des access to properti es and ci rcul ati on to
residential neighborhoods.' Minimum distance between centerl ine of
intersections shall be 250 feet. Deviation from this minimum distance
requirement may be approved by the City Engineer only if it can be
demonstrated that left turn demands do not create an adverse traffic
condi ti on.
Access to and from this Class II collector street from abutting properties
shall be permitted at locations approved by the City Engineer. Parking on
this facility shall typically be allowed. However, parking at critical
locations may be denied as deemed appropriate by the City Engineer. If a
bi ke 1 ane is to be provi ded in conformance with the Bi cycl e El ement on
thi s Cl ass II facil ity and parKi ng is, to be retai ned, an additi ona 1 10
feet of right-of-way will be required to allow for a 10-foot widening of
the roadway cross section.
"c- ~ ",.".,~..,. """?'"l{""-:.":,'""l,,,,,~~._f'~',:::~"":''''...,,,,,,,-y-~~._ ".,.. - ,~.,.
Wi th approval., oL" Ci ty ..Engi neer, t:fri~devel,oped';;;,areas;;,.:' rio<'wi deni ng: is)!! 1
"..~ ".~_ ~_ ....'..... _ ':'.!l ""_~~"___ .....,:-<..~ __:''''',,__,_~._ ._,.. .. _ ,',"'".,.',-", _, _'''''~_~~_-''--':''';'.:.. ."",:,'.-_.__-,, .. ""-'Y _.- _n -" ",--.. .:._.~...,... :
~!"~'J..U,i>~edr:',~~,~Pt~'a,h;,ap~r~acl].~,s:;t,~'~iritersf.t:tfo.~}{as;;"per Exh~b~ t ,'. ':A":,;
Approaches "shall c;be~des1gne,d:as' per;;;E?,hJbl.t].~.G.;;".,J Further modlflcatlons
may be allowed to this standard asa'resul t of 'the existing and projected
tra ffi c vol urnes.
It It
LANDSCAPEO 72' LANOSCAPED
BUFFER AREA BUFFER AREA
EASEMENT 5,5' 10' 26' 26' 10' 5,5' EASEMENT
45~ 5,5' 5.5' ~,' ::2
~5: 1 MAX 2% 2% ~ 2%
- -- " I
/~ ~ I CE= PARKIN~ 2:1 MAX
<t.
PARKING
8' 13' 10' 13' 8'
CLASS 1/ COLLECTOR
* Landscaped slopes greater than 5: 1 may be acceptabl e as detemi ned by the
Director of Planning.
" 10/12/89
-8-
----~
7. CLASS III COLLECTOR STREETS
Minimum design speed
Curb-to-curb
Right-of-way
r,1axi mum grade
Minimum curve radius
7,500 No driveway access to single-family
homes. 5,000 with driveway access to single
family homes
30 mph
40'
60'
12%
300' with 4% superelevation to 450' with no
superelevation. Superelevation is only
allowed \~here there are no residential
driveways taking access and is approved by
the City Engineer.
Class III collector streets also circulate localized traffic as well as
distribute traffic to and from arterial s and other collectors to access
residential areas. Class III collector streets accommodate low volume
level sand the use of thi s facil ity as a carri er of through traffic shoul d
be di scouraged by its desi gn. No dri veways to si ngl e-fami ly resi denti al
homes are permi tted except in areas where the tra ffi c vol ume does not
exceed 5,000 vehicles per day. However, access to common driveways
servi ng pl anned resi denti al developments are allowed. Mi nimum di stance
between centerline of i ntersecti ons shall be 250 feet. Devi ati on from
thi s mi nimum di stance requi rement may be approved by the City Engineer
only if it can be demonstrated that 1 eft turn demands do not create an
adverse traffic condition.
Design ADT
Parking on this facility shall typically be allowed. However, parking at
critical locations may be denied as deemed appropriate by the City
Engineer. If a bike lane is to be provided on this Class III facility and
parking is to be retained, an additional 10 feet of right-of-way will be
required to allow for a 10-foot widening of the roadway cross section.
It
It
LANOSCAPEO
BUFFER AREA
EASEMENT
5,5'
5,5'
20'
60-'
20'
4.5'
[ 20/0
I
'l
LANOSCAPED
BUFFER AR EA
os. ~ ':'"'"
2% r ..;...-r--f"
-- ~Q ~-2:1 MAX)
..- ::-.....
'"
5:1 MA~/
zg ">- 2%
~-/.~
yS:1 MAX
4.5'
20/0
CLASS /I, COLLECTOR
*
Landscaped slopes greater than 5:1 may be acceptable as determined by the
Director of Planning.
10/12/89
-9-
8. RESIDENTIAL STREET
Design ADT
Minimum vertical design speed
Curb-to-curb
Ri ght-of-way
r~aximum grade
Minimum curve radius
1,200
25 mph
36' (34' single loaded)
56' (50' single loaded)
15%
200' with no superelevation
1. Grade segments in excess of 12% shall not exceed 300 feet in length.
Average grade over any 1,000 foot segment shall not exceed 10%.
2. Portl and cement concrete pavement shall be requi red for grades in
excess of 12%.
3.
~li nimum di stance between centerl i ne of i ntersecti ons shall be 150
feet. Deviation from, this minimum distance requirement may be
approved by the City Engineer only if it can be demonstrated that
left turn demands do not create an adverse traffic condition.
",,-
4. Cul-de-sacs wi th a maximum 1 ength of 500 feet may have a mi nimum
curve radius of 100 feet and a maximum central angl e of 45 degrees.
Minimum tangent length between horizontal curves with 100 feet radius
sha 11 be 1 50 feet.
it
LANDSCAPED BUFFER
AREA EASEMENT
5.5' '5.5'
'-..... '
~ 2%
(2:1 MAX:r-~
,,/ '
~ 5:1 MAX
it
50'
20'
.14'
5,5' 5,5'
LANOSCAPED BUFfER
AREA EASEMENT
4.5'
/'
~tt:',"";
5:1 MAX~
RESIDE NTI AL
0,5'
20/0 . .
2%
SINGLE LOADED
4,5' 4,5'
% 20/0 2% 20
-
it
LANDSCAPED
BUFFER AREA
EASEMENT
5,5'
55'
~f?!-'=
,~ //
J--- 5:1 MAX'/ .
it
56'
LANDSCAPED
BUFFER AREA
'~:'M'"
10 1.4
-_6--12.' MAX-,
~ r~ }
~5:1 MAX--... --<
IS'
IS'
55'
I
~
RESIDENTIAL
* Landscaped slopes greater than 5:1 may be ,acceptable as detero.lined by the
Oirector of Planning.
10/12/89
-10-
9. INDUSTRIAL ROAD
Design ADr
Minimum design speed
Curb-to-curb
Ri ght-of-way
Maximum grade
Minimum curve radius
2,000
30 mph
52'
72'
n
450' with no superelevation
~li nimum di stance between centerl i ne of intersecti ons shall be 300 feet
unless otherwise approved by the City Engineer.
It
It
LANDSCAPED
BUFFER AREA
EASEMENT
72'
5.5'
10'
26'
26'
LANDSCAPED
BUFFER AREA
10' 5,5' EASEMENT
4.5' 5.5'
5.5'
4,5'
5: 1 MAx1
/' .
~x
~5:1 MAX
2%
-
2%
20/0
20/0
---
I
I
C1..
INDUSTRIAL ROAD
*
Landscaped slopes grea ter than 5: 1 may be acceptable as detemi ned by the
Director of Planning.
10/12/89
-11-
ADDITIONAL DESIGN CRITERIA
1. No transition shall be allowed on horizontal curves except upon approval
of the City Engineer.
2. Hori zonta 1 curves shall be used for all hori zontal changes of centerl i ne
di recti on.
Vertical curves shall be used when change in grade exceeds 1::; in sags and
0.5% on crests.
3. The angl e between centerl i nes of i ntersecti ng streets shall be as nearly
right angles as possible, but in no case less than 70 degrees or greater
than 110 degrees. Streets shall intersect only in tangent sections. The
tangent length shall extend a minimum of 100 feet and maximum grade of 67,
from the point of curb return (PCP.) on each leg of the intersection except
as approved by the Ci ty Engi neer. The tangent 1 ength of 100 feet is not
required for residential streets intersecting another residential or
collector streets if an adequate intersection sight distance is provided.
4. Intersection sight distance shall meet CalTrans Highway Design Manual.
5. A minimum of one on-street parking space (20 feet) shall be provided along
the frontage of each residential lot. However, in cases where the mini~um
on-street parking space requirement cannot be met, credit shall be given
for surplus on-street parking in front of nearby lots upon approval of the
City Engineer. With approval of the City Engineer, residential lots which
provide three or more off-street parking spaces shall be exempt.
In cases where a more preci se di screti onary action has been taken by the
Planning Director, that action shall prevail over the standards herein.
6. All private streets with controlled access devices, such as gates, shall
contain the following features:
a. Gates shall be 150 feet away from the extension of the intersecting
street curb line, except upon approval by City Engineer.
b. A turnaround shall be provided at the location of the gate. The size
and location of the said turnaround and gate shall be approved by the
City Engi neer.
7. Compound curves shall not be allowed.
8. All box/landscaped planters along a raised median shall be placed no
closer than 3 feet from the face of the median curb.
HPC 4034E
10/25/89
-12-
INTERSfCTION STANDARDS
.~
-..
HAIMINE INTERSECTING LeFT TURN LANE RIGHT
STREET -pTf:lEFT REGUIREHENTS TURN
LANE
.
CLASS II COLLECTOR CLASS.;~:f.I COLLECTOR SINGLE NO
CUSS II COLLECTOR CUS!!:I:: COLLECTOR SINr;LE NO
CUSS II COLLECTOR -NAJOR SINGLE NO
.,)_1_
CUSS II COLLECTOR -fRINE SINr;LE NO
CLASS I COLLECTOR CUSS ./11 COLLECTOR SINGLE NO
CLASS 1 COLLECTOR CUSSr.{ COLLECTOR SINGLE NO
CUSS I COLLECTOR JlAJOR SINGLE NO
..
CLASS I COLLECTOR fRINE SINGLE NO
NAJOR CUSS :11 COLLECTOR SINGLE NO
~.~
NAJOR CUSSf[;..COLLECTOR SINr;LE NO
l. ,.,~,
NAJOR ~~,';OR OOUBLE NO
'l}!..!':"
NAJOR IfRINE OOUBLE YES
PRINE CUSS II COLLECTOR SINGLE NO
PRINE CUSS .4, COLLECTOR SINGLE NO
PRINE Jf.~OR DOUBLE YES
PRINE PBDlE DOUBLE YES
....
"
EXHIBIT 'A'
(10/11/89)
-13-
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Table ~
CITY OF CHULA VISTA ROADWAY CAPACITY STANDARDS*
AVERAGE DAILY VEHICLE TRIPS
ROAD
LEVEL OF SERVICE
CLASS
X-SECTION A
V/C Ratio (.6)
B
(.7)
C
(.8)
D
( .9)
E
(1. 0)
Expressway 1 0~/12B 52,500 61,300 70,000 78,800 87,500
Prime Arterial 104/128 37.500 ~3,BOO 50,000 56,300 62,500
Major Street
(6 lanes) 104/128 30,000 35,000 40,000 45,000 50,000
Major Street
(4 lanes) 80/1 04 22,500 26,300 30,000 33,800 37,500
Class I
Collector 74/94 16,500 19,300 22,000 24,800 27,500
Class 11
Collector 52/72 9,000 10,500 12,000 13,500 15,000
Class III
Collector 40/60 5,600 6.600 7,500 8,400 9,400
* LOS 'C' Capacities are from the City of Chula Vista Circulation Element of
the General Plan. Other levels of service are derived by volume to capacity
(V/C) ratios.
17