METHODOLOGY
A field study was conducted to collect and analyze approximately four weeks of data from a work zone on I-270 westbound, spanning from the Lindbergh Boulevard interchange to Dunn Road…
Findings
By diverting 98,000 to 120,000 vehicles daily to alternative routes for two years, the impact costs over the normal operational state were $101.5 million.
Had a partial closure system…
METHODOLOGYPost-VSL deployment data from four segments on I-270 during peak periods was used to evaluate mobility outcomes of VSL. To understand operations under virtual pre-VSL operations, the…
METHODOLOGYThe benefit-cost analysis used safety data from incidents that occurred from the years 2000-2008 on seven freeways in the metro St. Louis area. The analysis used data that law enforcement…
LESSONS
Chandler, AZ (Bluetooth deployment)
This technology uses a wireless Bluetooth reader to communicate with in-vehicle devices programmed to pair with other Bluetooth devices. Matching…
Motorist Assist is a freeway service patrol program covers all freeway segments in the St. Louis metro area. Initially deployed in 1993 as part St. Louis's overall ITS deployment, Motorist Assist was…