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Home My WebLink AboutCOUNCIL - AGENDA ITEM - 02/27/2007 - OPTIONS FOR HARMONY ROAD AND SHIELDS STREET INTERS DATE: February 27, 2007 WORK SESSION ITEM STAFF: Dean Klingner FORT COLLINS CITY COUNCIL Mike Herzig Mark Jackson SUBJECT FOR DISCUSSION Options for Harmony Road and Shields Street Intersection. GENERAL DIRECTION SOUGHT AND SPECIFIC QUESTIONS TO BE ANSWERED Staff is presenting the pros and cons of constructing either a roundabout or a traditional intersection at the Harmony Road and Shields Street intersection and is looking for direction on how to proceed. Should the Design Team: 1. Conduct a public information process to present both a roundabout and a traditional intersection alternative to all potentially affected interests. or 2. Proceed with only a traditional intersection design alternative. FINANCIAL IMPACT The roundabout is estimated to cost $900,000 less than the standard intersection due primarily to less required right-of-way and less required pavement surface(i.e., smaller footprint). BACKGROUND As a part of the W. Harmony Road Improvements—Seneca to College(funded by the Building on Basics 1/4-cent sales tax and Federal Grants) staff has been evaluating options to improve the Harmony Road and Shields Street intersection. Per City Policy,an Intersection Alternative Analysis has been completed comparing a traditional intersection to a modern roundabout. Schedule • Design started in mid-2006. Design and right-of-way acquisition will continue through 2007 and early 2008. • Construction is planned for 2008. February 27, 2007 Page 2 Intersection Analysis Summary • The roundabout alternative is modeled to operate at a higher Level of Service(lower average delay), estimated to cost less, and to have 40% fewer injury accidents than a traditional intersection. • Staff believes that the roundabout alternative may be less safe for bicycles and motorcycles. • The roundabout would be one of the largest in the region, but comparable to others in the State. • The roundabout alternative is controversial and is adamantly opposed by many citizens. • The roundabout is estimated to cost $900,000 less than the standard intersection due primarily to less required right-of-way and less required pavement surface (i.e., smaller footprint). • Although staff believes that a roundabout will work well in this location,staff also perceives that this may be "too much too soon" and the traveling public may not be ready for a roundabout of this size at this time. ATTACHMENTS 1. Intersection Alternative Analysis. 2. PowerPoint presentation. ATTACHMENT Harmony Road and Shields Street Intersection Analysis Summary February 2007 Decision Matrix The following chart summarizes which intersection type provides the greater benefit for the comparison items listed: Items For Comparison Traditional Roundabout Neutral Intersection Intersection Accident Analysis X Average Delay X Environmental Factors X Cost X Alternative Mode lMvjoblllty X Spatial Requirements X Other Considerations • A roundabout at Harmony and Shields would be one of the highest volume roundabouts in the region. • Based on comments that we've received to date, the public generally opposes a roundabout in this location. • Public acceptance of larger roundabouts in Fort Collins may be best achieved by continuing to build and monitor smaller roundabouts. 11 � � � ll ] � T ] � r � 7ROUTMAN PARKWAY w 9 w > Z LL a N Z WAKE LARK Z ` N F REGENCY THE O a KENSINGTON PARK on PINEVIEW P.U.D. � WOODLANDS I.ARKBOROOGfi � URNE rc ROBIN THE U WESYBURY FRONT COVENTRY COVENTRY BROOKWOOD RIDGE RANGE SUBDIVISION SUBDIVGION ESTATES ,Y4 ip I.WW� COMMUNTIY m COLLEGE !� 40 F R w z a Fir 4 r 0 WEST HARMONY ROAD IMPROVEMENTS PROJECT VICINITY MAP J � . ; J Sfdewalks r 1 J l r Ar ru C34 r Building • Basics ( BOB ) J sgwll 0 HARMONY ROAD IMPROVEMENTS - SENECA TO MASON TENTATIVE PROJECT SCHEDULE Tlan:ortr�nw ewlmrmwaI AUG D[C 1 APML ALM a= MI6 Au Nov I i I I I 1 I 1 I I 1 1 I I I I I I 1 I i I I 2006 am 20= CCNCMvr UD SM FINK D2l10// CONf11 UC M hu"coraor CJmm Harmony / So l eJds Imters. ectio , Existing Conditions Future Condi 38 , 000 Vehicles. . ( 2026 ) Day (VPD ) 501000 V 2 . 3 accidents / million vehicles Harmony / eeJJds Imters. ectio , Resolution Criteria for Art - ial Jntersecti .. lysis s : Accident Analysis *Average Delay +ij@ -� v � m . actors Co CAI native Mobility Spatial to Item Traditional Roundabout Neutral Accident Analysis X Average Delay X Environmental Factors X r Cost X Alternative Mode Mobility X Spatial Requirements X wwimmr LANs i �: J tw�mte�tw�s apt • • tt I all i I i i I � _E vWOtxAao9 I ,SlB I I 1 .J - - - — - -- - - - - ----------------- - ______________________ =C.rw.v.wv.�.«.�ev.w..�.....�.., • - - _ _ _ _ _ _ _ _ _ _ wee40ur _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - - - - - - - - - - - - - - - - - - _ - - - - - - - - - - - - - - - - - - - - - - - - - irmum I i i HARMONY ROAD IMMOVEMEN7 S HARMONY/SHIELDS INTERSECTION ` TRADITIONAL CONCEPTUAL DESIGN wAww�uK wAm mIIIIIIINwa II _ __ � I I l r II11 I 11M Ilr 1 1 II II I II I II 1111 I 1j1 FlNEVICW P.U.D I II PYIAY 11__� I 1 1 1 1 I I I � ni[ wooDLAND� 1 r I I I I I II + f i i ell, w __ f �___ lee _ -- It + + 1 I I �n I I MN 1 MMUPRfYCO + 1 1 I I 1 � I � 1 I I i I I i HARMONY ROAD IMPROVEMENTS HARMONY/SHIELDS IMWMEcnoN I 1 ROUNDABOUT CONCEPTUAL DESIGN 1 � Harmony & Shields Accident Analysis 6 5 4 3 ■ Estimated Injury Accidents /Year (2026 ) 2 1 0 Traditional Intersection Modern Roundabout Harmony & Shle Ids Average Delay 40 35 30 25 0 20 ❑ Traditional Intersection ■ Modern Roundabout 15 10 5 0 AM PM Harmony & Shields PM Peak Hour Emissions 8000 7000 6000 5000 4000 ❑ Traditional Intersection p Modern Roundabout 3000 2000 1000 0 CO2 (g/ hr) NOX VOC �o19 atvei Moqmms Multi - lane Modern Roundabout vs . T ra d it "i o n gMwraeco t i o n Generally , I er s and pedestrian safety _ Published dd r bicyclists is irr ��onclusive anor inapplicable Cost Traditional intersection costs approximately a EO) 0 , *mor e Due primarily footprint " II 11 I I ' I � 5 I it I II In In lal III i I nl Lnl I III II II I I I I � I ' II I I I ' Ij I I III I If Y If II 1 MAIYl1ONY P1011O I C■p ® • CfIMMl/fTY COLLQ I I HARMONY ROAD IMPROVEMENTS HARMONY/SHIELDS INTERSECTION (ROUNDABOLIT , CONVENTIONAL INTERSECTION COMPARISON Is this the rio tMime and pi e ?. One of N . Colorado * largest r%abp There are a few other succ roundab • M of comparaAplRoximately S U Would Council like the Conduct a public informs ion cess to present both a roundabout and a traditional inter tion alternative to all potentially affec interests . R Proceed with only a traditional intersection design alternative .