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Case Study Showed Transit Signal Priority Improved Bus System On-Time Performance, Schedule Deviation, and Travel Time as Bus Priority Request Lead Times Approached Zero.

METHODOLOGY Bus performance in this study was evaluated based on (i) on-time performance (OTP), (ii) schedule deviation, (iii) travel time, and (iv) dwell time; and the general traffic analysis was…
Content type
Date Posted
02/24/2022
Taxonomy (ARC-IT) Transit Signal Priority (PT09)

In Salt Lake Valley, Utah a ramp metering study showed that with an 8 second metering cycle, mainline peak period delay decreased by 36 percent, or 54 seconds per vehicle.

FINDINGS The benefits of ramp metering in the region were simulated using field data from a representative site. The site was selected because it had a ramp traffic volume similar to the average…
Content type
Date Posted
11/29/2005

In Utah, incident management teams in Salt Lake Valley area decreased incident duration by approximately 20 minutes per incident on three major interstates.

FINDINGSIncident data were collected for a duration of five years (1999-2003) for three major interstates that account for 77 percent of IMT-assisted incidents. The analysis shows that since the…
Content type
Date Posted
11/29/2005
Taxonomy (ARC-IT) Roadway Service Patrols (PS08)