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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 , Ii Y-/ , ,), :-1'101 ,) 1 J .-1 ,,~/ / u'-~ mas J. Harr Presented by Jo pu 5820a ( "'" 0", [:;Ie , 1>\ C!i-fr C!(€.IL~ @~ ~ 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. ~{2. ~ ' , . 11tA "ever A. ut e et, Clty ~rk R. -/~J1<( \ '- ~~ , --~- .r;-:.~'Oj.... _ '-. - 'I . f. 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- ~U"II 1I"'1711l ~ : :+H:: I -~-~J!l01 I ~-~- ~"I,,~ _ ~___....... I .......~..l-... , I, .,- I I I I I ~ I- - ~I . 1: ~ _' - ,I I III I, I ' li: ~: I ~] ~ - ~ . . . I, I, ,II. ,I. I , ... I{ q, r., "t '" l;) l;) l'\I III Q j )Ittil~ -~~~ Ii / J.~ ~ I II. ~r-,. 1; ~~ 5~ ~- ~~ '" ~~ ~~ ~ . ~ ~~ ~~ ~ . " ~ ~ " ~ / V ["" " ~ ~ ~ .; " o ~ , ,-1 .; " ~ ~ , - ~ ~ , - , ~ - o ~ ~ ~ I I I I I I I I I I I I I I I I -, 'I I 1 I ~ . 1 I I " , \ I I 0 I , II I' II I I I I I I I I 1,1 o , , 1'1 (10/11/89) I I I ] 1 ~ I I I I I . I I I I I I I I I I I I I I , , !- I I' I I I I I I ~ I 1 I 1 I 1 I I ~ II I I II I I ------l ~ , . ~ ~ " ~ ~ " ~ ''] ~ " ~ ~ ~ , .~ ~~ H ,,~ 5~ o .' 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I '" I N Cl ... ::l IlO - ~ z < ..I Co 1IJ ..I U >- U - Cl:l 2-3' " 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