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Thirty-Seven (37) Audible Emergency Preemption Systems Installed as Part of the Regional Traffic Signal Program (RTSP) Helped Reduce Emergency Response Time by 14 to 23 Percent.

METHODOLOGY A benefit-to-cost analysis was performed for the first year after installation of the third cycle of projects. There were 148 signals upgraded across the 15 different corridors with AADT…
Content type
Date Posted
11/29/2023

Crashes Involving Freeway Maintenance Vehicles Responding to Incidents in Pennsylvania Decreased from 30 in 2018 to Zero in 2020 in Areas Where Agency Vehicles Broadcast Real-Time Incident Alert Messages to Traveler Information Services and In-vehicle Nav

METHODOLOGY When a traffic incident is detected, the service vehicle activates its vehicle mounted amber emergency warning lights and send a signal to the map and navigation service provider. The map…
Content type
Date Posted
10/20/2022

Transit users and individual operators enjoy most of the benefits of smart cards, while individual transit operators and multiple agencies bear the majority of the deployment costs.

Content references source material no longer available at its original location.
METHODOLOGYIn reviewing these three cases, the authors found that while these public transportation agencies have made their best efforts to estimate smart card costs and benefits, these studies are…
Content type
Date Posted
11/13/2013