Abstract: An optimal trip table correction function for the user equilibrium based trip table estimation problem is derived and used in place of Turnquist and Gur's heuristic trip table correction function. The derivation of this ...

Abstract: There is a prevailing assumption that Freeway Service Patrol (FSP) programs improve safety for unassisted motorists by reducing the likelihood of secondary accidents. This research identifies 84,684 accident records from ...

Abstract: This research assessed the feasibility of using trucks in an existing Los Angeles Freeway Service Patrol (FSP) fleet as probe vehicles to measure ambient speed on freeway segments. Floating car speeds were the basis of ...