Rhode Island Commuter Rail Component

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EA Harper is working with VHB to add commuter rail and bus rapid transit components to the Rhode Island Statewide Model.  Work requires expansion of the auto vs. local bus mode choice model using TransCAD and GISDK, integration with results from STOPS for the larger Boston region, validation, and network development.

Commuter Rail Forecasting in Jacksonville Florida

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For the Jacksonville Transportation Authority in Florida, and as a sub-consultant to WSP/Parsons Brinckerhoff, EA Harper developed and tested eight future year scenarios for Jacksonville’s southeast commuter rail project. Work required network coding and modifications of the CUBE-based model – commensurate with FTA standards for new starts funding.  Ms. Harper provided the draft documentation for the final […]

Model Calibration – Piedmont Triad, NC

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EA Harper Consulting recalibrated the mode choice and destination choice model components of the Piedmont Triad Regional Model (PTRM) in Greensboro, NC.  Specific tasks required an analysis and merging (using SPSS) of two National Household Travel Survey (NHTS) add-on datasets for the generation of observed mode shares and trip length frequencies, evaluation of travel impedances […]

New Starts Forecasting – Detroit, MI

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The Southeast Regional Council of Governments (SEMCOG) travel demand model was updated to incorporate a new mode choice model and an air passenger model.  Ms. Harper (assisting Parsons Brinckerhoff) modified TransCAD scripts to allow for forecasting travel on modes that did not exist in the previous model (commuter rail, light rail and bus rapid transit), incorporating […]