Benefit
In Tysons Corner, Virginia optimized signal timing reduced delay by approximately 22 percent and decreased stops by roughly 6 percent.
March 2000
Tysons Corner,Virginia,United States
Summary Information
Beginning in 1994, Fairfax County, Prince William County, and Louden County in the Commonwealth of Virginia deployed a system to connect approximately 700 signalized intersections to a central control system using leased telephone lines. In the control room, operators attempted to effectively manage the arterial transportation network by optimizing signal timings to improve traffic progression and reduce environmental impacts.
FINDINGS
In May 1999, optimization of signal timing at 40 intersections was completed in the Tysons Corner area of Virginia. Estimates indicated the system reduced vehicle stops by approximately six percent and decreased delay by approximately 22 percent.
Vol II and Vol III for detailed results
FINDINGS
In May 1999, optimization of signal timing at 40 intersections was completed in the Tysons Corner area of Virginia. Estimates indicated the system reduced vehicle stops by approximately six percent and decreased delay by approximately 22 percent.
Notes
See Also:Vol II and Vol III for detailed results
Goal Areas
Typical Deployment Locations
Metropolitan Areas
Keywords
coordinated signals, signal coordination, centralized signal control, signal synchronization, traffic signals, advanced signal control, signal timing optimization, coordinated signal control, advanced signal controller, traffic signal retiming, retiming, SMART, pre-timed, pretimed, time-of-day signal timing, fixed-time
Benefit ID: 2007-00395
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