Choice of Mode. David Levinson. The Onion. A study by the American Public Transportation Association reveals that 98 percent of Americans support the use of mass transit by others.” They reported on a campaign supposedly kicked off by APTA "Take The Bus... I'll Be Glad You Did.".
Choice of Mode
Pm - probability of taking mode m
Umij- Utility of mode m between OD pair ij for an individual (or a representative traveler)
Umij = f(Cij,…)
Alternative Structures include Nests
Advantages: Nests Allow Model to Capture Relationships between modes, skirt IIA property.
Disadvantages: Increased computation, Marginal Improvement in Estimation
(WCT) walk connected transit
(ADT) auto connect transit (driver alone/park and ride)
(APT) auto connect transit (auto passenger/kiss and ride)
(AU1) auto driver (no passenger)
(AU2) auto 2 occupants
(AU3+) auto 3+ occupants