Source References

Items that reference source, Seattle Metropolitan Model Deployment Evaluation Report

Benefit

Modeling indicated that coordinating fixed signal timing plans along congested arterial corridors leading into Seattle, Washington, and incorporating arterial traffic flow data into the traveler information system would reduce vehicle delay by 7 perc
A model determined that incorporating arterial traffic flow data into the traveler information system in Seattle, Washington could decrease the number of stops by 5.6 percent.
Users of the Advanced Traveler Information System in Seattle, Washington were satisfied with the information on freeway and transit conditions provided via Web sites and a Traffic TV service.
A model found that coordinating fixed signal timing plans along congested arterial corridors leading into Seattle, Washington would help reduce the number of expected crashes by 2.5 percent and the frequency of fatal crashes by 1.1 percent.

Lesson

Sample Unit Cost

UC2012-02439
Repeater station upgrade for radio repeater stations for emergency communications between Emergency Operations Centers in Washington State
UC2012-02438
Two-way radios for emergency communications between Emergency Operations Centers in Washington State

System Cost