1 City of Phoenix Street Transportation Department 7 th Avenue and 7 th Street Reverse Lanes Reverse Lane Public Hearing Sunnyslope Community Center October 6, 2010 • Overview Overview • Operational Operational Analysis Analysis • Public Opinion Public Opinion
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City of Phoenix Street Transportation Department 1 7 th Avenue and 7 th Street Reverse Lanes Reverse Lane Public Hearing Sunnyslope Community Center October.
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1 City of PhoenixStreet Transportation Department
7th Avenue and 7th Street Reverse Lanes7th Avenue and 7th Street Reverse Lanes
Reverse Lane Public HearingSunnyslope Community Center
October 6, 2010 Kerry Wilcoxon, P.E.
Reverse Lane Public HearingSunnyslope Community Center
Occurs: Downstream of signals• Primarily left turns into neighborhoods
Predicted:Congestion generated cut-thru
Cause: Low capacity at signals
Occurs: Upstream and downstream of signals• Includes left and right turns into neighborhoods
29 City of PhoenixStreet Transportation Department
Reverse Lane UsageBefore and After Light RailDecember 2008
Peak Hour
Before After
Morning 26% 29%
Afternoon 14% 16%
30 City of PhoenixStreet Transportation Department
Traffic CountsDuring Recession
14% reduction in Average Daily Traffic (ADT) at city-wide count stations from 2005 to 2009
30% reduction in ADT on the reverse lane streets from 2005 to 2009
31 City of PhoenixStreet Transportation Department
Engineering Findings• Traffic safety on 7th Avenue and 7th Street Traffic safety on 7th Avenue and 7th Street similar to other arterial streetssimilar to other arterial streets
•Reverse lanes carry a substantial amount of Reverse lanes carry a substantial amount of rush hour trafficrush hour traffic
•Removal would result in loss of capacity with Removal would result in loss of capacity with same demandsame demand
•Neighborhood cut-thru routes may shiftNeighborhood cut-thru routes may shift
32 City of PhoenixStreet Transportation Department
ASU Phoenix Urban Research Lab (PURL) – Stakeholder Survey
Goal: Determine how stakeholders view the lanes and how they would change them (improve, eliminate, preserve)?
Process Identify stakeholders
(drivers, peds, bicyclists, residents, business owners, etc.)
Conduct sample-based surveys of stakeholders Conduct focus groups of stakeholder groups Analyze survey and focus group responses
33 City of PhoenixStreet Transportation Department
Very few satisfied with business-as-usual Main quality-of-life concerns:
Reverse lanes inhibit access Most feel lanes are unsafe Driver confusion
Would recommend: Keep the lanes & add electronic signage Eliminate the reverse lane on 7th Street/7th Avenue Little support to keep lanes with no changes
Quality-of-Life Study Results Central Phoenix Neighborhoods
34 City of PhoenixStreet Transportation Department
Quality-of-Life Study Results North Central Neighborhoods
More satisfied with operation than other stakeholders More than 50% say:
Lanes are safe and reduce travel time Reverse lane signs are understandable
Would recommend: Enforcement and more left turn opportunities Sign upgrades e.g., electronic signs
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Operational Alternatives
Scenarios:1. Maintain Reverse Lanes as is
2. Permanently Remove Reverse Lanes
3. Maintain Reverse Lane; a. add flashing lights to existing signs
b. add electronic lane control beacons
4. Temporarily remove Reverse Lanes as test
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Maintain existing reverse lane operation- Continue to optimize- Continue enforcement
Estimated Cost: $0
Scenario 1 – Keep Reverse Lanes No Change of Operation
37 City of PhoenixStreet Transportation Department
Remove reverse lanes on both streets- Remove existing signs and mast arms
- Install new turn arrows at major intersections
- Re-evaluate signal timing
- Public education campaign
Estimated Total Cost:
Without sign pole removal $630,000
With sign pole removal $955,000
Scenario 2 – Permanently remove Reverse Lane operation
38 City of PhoenixStreet Transportation Department
Install flashing lights to existing overhead signs- Supply power to existing sign poles- Install flashing beacons and wireless
communication equipment- Public education campaign
Estimated Total Cost: $3,850,000
39 City of PhoenixStreet Transportation Department
Install additional new red X – Green Circle lane control signals, additional poles and new signs
- Install additional signs and sign posts- Supply power to mast arms- Install supporting control equipment- Public education campaignEstimated Total Cost: $24,510,000
Scenario 3b – Keep Reverse Lanes Add electric lane control signals
40 City of PhoenixStreet Transportation Department
Remove reverse lanes on 7th Avenue or 7th Street- Remove existing signs
- Public education campaign
Estimated Total Cost:
7th Avenue: $65,000
7th Street: $70,000
Scenario 4 – Temporarily remove Reverse Lane as test
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Ad-Hoc Committee Schedule Aug - Sept Task Force Meetings Sept - Oct Public Meetings
Reverse lane survey on-line (until 10/31/2010) November Task Force Meeting
Develop Recommendations December Presentation to City Council
Reverse Lane Survey: http://lists.phoenix.gov/subscribe/survey?f=217