A Transit Signal Priority (TSP) Deployment along Salem, Oregon's Lancaster Drive Corridor Reduced Late Bus Arrivals by 20 Percent. METHODOLOGY The evaluation compared on-time performance and operational outcomes before and after deployment of a cloud-based TSP system along the Lancaster Drive corridor in Salem, Oregon. The⦠Content type Benefit Date Posted 04/24/2026 Taxonomy (ARC-IT) Transit Signal Priority (PT09) Geolocation links Salem