Better Bounds, Later Arrivals: The Route-Choice Calibration Problem
TL;DR for operators A delivery system can produce more reliable travel-time estimates and still choose routes that miss deadlines more often. In a 2026 traffic-routing study by Jianing Long and coauthors,1 calibration improved simultaneous coverage of three candidate routes in Beijing and Chengdu, yet increased realized lateness under a rule that selects the route with the smallest upper travel-time estimate. ...