1、A DTA Model for Managed Lanes Network Traffic and Revenue StudyTRB Innovations in Travel Analysis and Planning ConferenceIndianapolis,INJune 6,2023Lihe Wang,P.E.Managed lanes also known as express lanes,HOT lanes,or dynamic toll lanes Toll rates adjusted based on real-time traffic condition to maint
2、ain free flow on the managed lanes Drivers make toll or non-toll choices at the entry and exit T&R study forecasts both traffic and toll rates Model needs to include largearea for managed lanes networkManaged Lanes and Traffic&Revenue StudyTop left:I-66 Inside Beltway in Northern VirginiaTop right:I
3、-95 Express Lanes in Northern VirginiaBottom left:Existing and planned Southern FloridaExpress Lanes networkBottom right:Existing and planned express lanes network in Washington,D.C.areaManaged Lanes Traffic Pattern and Model Resolution010020030040050060070080049141924HoursManaged Lanes Traffic02004
4、006008001,0001,2001,4001,6001,80049141924HoursGeneral Used Lanes Traffic$0$1$2$3$4$5$649141924HoursTollTime Resolution4 Time PeriodsHourly15 minutes$1.50$2.00$2.50$3.00$3.50$4.00$4.50$5.009:159:4510:1510:45Dynamic Traffic Assignment Model SpectrumStatic Assignment ModelMicro Simulation DTA ModelTime
5、 and Effort to Build and UseLowHighAnalytical DTA ModelsSimulation-based DTA ModelsELToD4 ModelPath Builder:Time-DependentAccurately simulate long-distance tripsToll Model:En-route Toll ChoiceAccurately simulate dynamic toll lanesTime Resolution:15 minShortest time interval that VDF functions can be
6、 usedExpress Lanes Time of Day Model version 4 is an open-source analytical based dynamic traffic assignment model package written in C+.Its developed by AECOM for the Floridas Turnpike Enterprise.Value of Time Distribution$7$13$20$35VOT Distribution0%5%10%15%20%25%30%35%40%$25,0