Full Text
December 15, 2012 Neighborhood Traffic Management: Colusa Avenue between Rockway Avenue & Terrace Drive City of El Cerrito ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Agenda • Background • Analysis and Recommendations • Open Discussion • Next Steps ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management History of Neighborhood •Petition filed by residents in 2011 (40 households in support) •Previous concerns include: • Speeding, especially near Eureka Ave • Sideswipe vehicle collisions (with parked vehicles) • Heavy traffic during commute and school hours • Limited sight distance especially at intersections • Parked vehicles blocking pedestrian path • Run-off-road collisions • Large commercial vehicles/buses on narrow windy road • Trouble getting in and out of driveways • Lack of lighting • Unsafe environment for residents and pedestrians due to above ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management •1st Neighborhood Meeting – January 2012, concerns discussed: • Poor Visibility & Sight Distance (ranked highest on the northern section of Colusa Avenue between Eureka Avenue and Terrace Avenue) • Sideswipe (ranked highest on the northern section) • Speeding (entire segment of Colusa Avenue) • Sidewalk constraints (mostly recognized along northern portion) • Sight distance (northern section) • Traffic volumes (highest on southern section) •Detailed evaluation between March and December 2012 ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Neighborhood Traffic Management Plan (NTMP) • Adopted by City Council in September 2010 • Provides various tools to address resident concerns regarding speeds, traffic volumes and livability on streets of various types • Provides criteria for assessment to determine whether a street qualifies for the program and its prioritization • Outlines steps for obtaining approval of measures for implementation • Of the five active NTMP efforts, Colusa Avenue is ranked in the top two along with Lincoln Avenue • City Council approved additional funding (Measures A) for NTMP measures in August 2012 – total funding approx $35K ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Goal for today’s meeting: • Identify a preferred option for near-term implementation with current funding • Identify additional measures for long-term implementation pending additional funding ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Colusa Avenue Analysis Process 1. Main Concerns • Speeding • Walkability 2. NTMP Measures • Vertical deflection (speed) • Lane delineation/Improved visibility • All-way stop control 3. Data Collection • Volume, collision, visibility 4. Analysis • All-way stop warrants • Speed lumps (not humps) • Effectiveness and cost ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Main Concerns: Colusa Ave between Rockway Ave and Susan Drive •Speeding •Visibility Preliminary Recommendations Speed Lump Location Measure Pros Cons Approximate Cost Colusa Avenue between Rockway Avenue and Susan Drive Speed Lumps High impact on reducing vehicle speeds. May also reduce traffic volumes. May increase noise in vicinity; may reduce emergency response times; may conflict with bicyclists $3,000 ‐ $4,500 each Red Curb Painting Improves corner visibility On‐street parking reduction $2.50 / linear foot ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Main Concerns: Colusa Avenue between Susan Drive and Errol Drive •Speeding •Visibility Preliminary Recommendations Speed Lump Location Measure Pros Cons Approximate Cost Colusa Avenue between Susan Drive and Errol Drive Speed Lumps High impact on reducing vehicle speeds. May also reduce traffic volumes. May increase noise in vicinity; may reduce emergency response times; may conflict with bicyclists $3,000 ‐ $4,500 each Red Curb Painting Improves corner visibility On‐street parking reduction $2.50 / linear foot ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Main Concerns: Colusa Avenue at Eureka Avenue •Visibility Preliminary Recommendations Location Measure Pros Cons Approximate Cost Colusa Avenue / Eureka Avenue All‐Way Stop Control Will enhance visibility May increase noise in vicinity $700 per sign ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Main Concerns: Colusa Avenue between Eureka Avenue and Hotchkiss Avenue •Visibility •Speeding •Walkability •Sideswipes Preliminary Recommendations Location Measure Pros Cons Approximate Cost Colusa Avenue between Eureka Avenue and Hotchkiss Avenue Red Curb Painting Improves corner visibility; improves walkability On‐street parking reduction $2.50 / linear foot Centerline Striping Adds roadway definition, may visually narrow the roadway Requires maintenance; compliance is voluntary $1.75 / linear foot Speed Lumps High impact on reducing vehicle speeds. May also reduce traffic volumes. May increase noise in vicinity; may reduce emergency response times; may conflict with bicyclists $3,000 ‐ $4,500 each ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Main Concerns: Colusa Avenue between Hotchkiss Avenue and Terrace Drive •Visibility •Walkability •Sideswipes Preliminary Recommendations Location Measure Pros Cons Approximate Cost Colusa Avenue between Hotchkiss Avenue and Terrace Drive Red Curb Painting Improves corner visibility; improves walkability On‐street parking reduction $2.50 / linear foot Centerline Striping Adds roadway definition, may visually narrow the roadway Requires maintenance; compliance is voluntary $1.75 / linear foot ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Main Concerns: Colusa Avenue / Terrace Drive •Visibility •Speeding Preliminary Recommendations Location Measure Pros Cons Approximate Cost Colusa Avenue/ Terrace Drive Red Curb Painting Improves corner visibility On‐street parking reduction $2.50 / linear foot Intersection striping, including hatching or striped bulbouts May visually narrow intersection, will improve corner visibility Requires maintenance $2.00 / linear foot ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Preliminary Recommendations Approximate Cost: $37,000 ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Other Short-Term Options • Speed tables instead of speed lumps • Cross-hatched bulbouts at intersections ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Potential long-term solutions • Speed Feedback Signs • Enhanced crosswalk on Colusa Avenue, south of Susan Drive • Sidewalk improvements ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Next Steps • February/March 2013 • Test red curb markings on curves with temporary no parking restrictions and temporary striping • Mail 300-foot notices for red curb markings • Request City Council approval for all-way stop • Testing of speed lumps by Fire Department • April/May 2013 - Install Tier I measures • Warning signs • Traffic striping, cross-hatching, Bott’s Dots • Red curb markings ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Next Steps (continued) • Summer 2013 - Ballot for Installation of any preferred Tier II Measures (Near-Term) based on Composite Voting System – Approval Rating Considers project street and neighboring streets, where traffic may be diverted Greater weight given to the project street Approval % for project street will be based on all addresses Protest vote method for neighboring streets • Fall 2013 – Installation of approved Tier II Measures (Near-Term) • Winter 2013/14 - Follow-up studies, if appropriate Project Street Neighboring Streets 70 to 80% 50% 80 to 90% 40% 90 to 100% 30% ---PAGE BREAK--- Colusa Avenue Neighborhood Traffic Management Overall Cost Table of Preliminary Recommendations Location Item Unit of Measure Unit Cost Quantity Total Colusa Avenue between Rockway Avenue and Susan Drive Speed Lump EA $5,000 1 $5,000 Susan Drive Red Curb LF $2.50 100 $250 Colusa Avenue between Susan Drive and Errol Drive Speed Lump EA $5,000 2 $10,000 Errol Drive Red Curb LF $2.50 100 $250 Colusa Avenue / Eureka Avenue All‐Way Stop Sign EA $700 2 $1,400 Stop Markings SF $8.00 80 $640 Colusa Avenue between Eureka Avenue and Hotchkiss Avenue Speed Lumps EA $5,000 1 $5,000 Red Curb LF $2.50 100 $250 Warning Sign EA $700 1 $700 Pavement Markings SF $8.00 25 $200 Centerline Stripe LF $1.50 200 $300 Colusa Avenue between Hotchkiss Avenue and Terrace Drive Red Curb LF $2.50 200 $500 Warning Sign EA $700 1 $700 Pavement Markings SF $8.00 25 $200 Centerline Stripe LF $1.50 200 $300 Colusa Avenue at Terrace Drive Red Curb LF $2.50 200 $500 Pavement Markings SF $8.00 50 $400 Botts Dots LF $1.50 20 $30 Subtotal $26,620 Traffic Control, Construction Management, and Mobilization (Total of 25%) $6,655 Contingency (15%) $3,993 TOTAL $37,268