Item B: West 11th Transportation Corridor Study

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Access Management Access management is the term used to describe a broad set of techniques that balance the need to provide safe, efficient, and timely travel with the ability to allow access to individual properties. The proper th implementation of access management techniques along the West 11 Avenue Corridor is expected to reduce collision rates, congestion, and air pollution while also conserving energy and increasing corridor th capacity. Access management will help preserve the ability of West 11 Avenue to function as a major arterial and provide a safer walking and cycling environment. In doing so, it will also help preserve long- term property values and the economic viability of abutting development. th To maintain and improve the function of the West 11 Avenue corridor as a major arterial, an access th management strategy is needed because there are approximately 193 access driveways on West 11 Avenue between Green Hill Road and Chambers Street (approximately 4.5 miles of roadway). Most of these driveways are located east of Commerce Street, where the average driveway spacing is 75 feet. This is a significant number of driveways, especially for a roadway that has been designated a major arterial and whose key function should be to provide mobility instead of access. th A short-term access management plan was developed for West 11 Avenue from Green Hill Road to Chambers Street and is provided in Figures 6-1 through 6-4 and in Table 6-1. Treatments include closures th of access points, consolidation of accesses, and relocation of access driveways along West 11 Avenue to improve safety, circulation, and traffic operations. The plan also includes the installation of traffic separators and medians in selective locations to improve safety (by minimizing conflict points) and enhance operations. In addition, the findings from the safety analysis (see Chapter 5) were incorporated in the short-term access management plan. Signal Timing th Traffic signal timing was assessed for the section of West 11 Avenue between Green Hill Road and City View Street to determine if new traffic signal timing would provide improved traffic operations and th contribute to reduced travel times through the corridor. Currently, the traffic signals along West 11 Avenue between City View Street and the Fred Meyer driveway operate in a coordinated system at a cycle th length of 80 seconds from 7:00 am until 7:00 pm on weekdays. The signals along West 11 Avenue from Bailey Hill Road to Gree (uncoordinated). th Vehicle travel times, delay and stops can be reduced along the West 11 Avenue corridor by implementing new coordinated signal timings between City View Street and Terry Street. During the PM Peak, breaking the corridor into two systems and operating with a cycle length of 100 seconds from City View Street to Bailey Hill Road and a 110 second cycle length for the signals between Bertelsen Road and Terry Street results in improved operation. During the AM Peak, a cycle length of 90 seconds is estimated to provide the largest improvement. Field implementation may find that a break in the system between Bailey Hill Road and Bertelsen Road (and two different cycle lengths) may serve the traffic more efficiently in the AM Peak. In either case, the system performance measures show an improvement in the corridor operations if new coordinated signal timings are installed from City View Street to Terry Street. th West 11 Avenue Corridor Study September 4, 2009 City of Eugene P07265-003-000 2