Posted inIntelligent Transportation System
Introduction to Investigation of Measurement for Travel Time Variability
CongestionΒ hasΒ grownΒ overΒ Β theΒ pastΒ Β twoΒ Β decadesΒ makingΒ theΒ travelΒ Β timeΒ Β highlyΒ Β unreliable. TheΒ Federal Highway Administration (FHWA),Β USΒ Department ofΒ Transportation (USDOT) indicatedΒ travelΒ timeΒ asΒ anΒ important indexΒ toΒ measureΒ congestion.Β FrequentΒ butΒ stochastic, irregularΒ delaysΒ Β increaseΒ Β theΒ challengeΒ forΒ peopleΒ toΒ planΒ Β theirΒ Β journeyΒ βΒ e.g.Β whenΒ toΒ depart fromΒ Β theΒ origin,Β Β whichΒ Β mode(s)Β andΒ Β route(s)Β toΒ useΒ soΒ theΒ on-timeΒ arrivalΒ atΒ theΒ destination canΒ Β beΒ ensured.Β InΒ additionΒ toΒ averageΒ travelΒ Β time,Β Β theΒ Β reliabilityΒ ofΒ travelΒ Β timeΒ Β hasΒ Β been deemedΒ asΒ anΒ indexΒ Β forΒ quantifyingΒ theΒ Β effectsΒ ofΒ congestion,Β whichΒ Β canΒ beΒ appliedΒ toΒ the areasΒ ofΒ transportation…