Methodologies Used to Estimate and Forecast Vehicle Miles Traveled (VMT)
This report identifies methods currently used to measure and forecast vehicle miles traveled (VMT) in Texas. VMT estimates in Texas are typically derived from reported traffic counts through the use of three main collection methods: manual counting, pneumatic tubes, and loop detectors (permanent counts). Other methods include radar, microwave, and laser detectors. The results of these traffic-counting methods are reported as annual average daily traffic (AADT) and average daily traffic (ADT). This document presents the results of research conducted to evaluate several key components of the VMT metric. This research had the following objectives: (1) Identify recent trends, current forecasts, and growth factors of VMT in the United States and Texas; (2) Summarize the existing methods of VMT estimation and forecasting through a literature review; (3) Evaluate the current state of VMT estimation and forecasting specifically to Texas; and (4) Create a VMT Calculator scenario analysis tool.
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Corporate Authors:
Texas A&M Transportation Institute
Texas A&M University System
3135 TAMU
College Station, TX United States 77843-3135 -
Authors:
- Williams, Thomas A
- Chigoy, Byron
- Borowiec, Jeff
- Glover, Brianne
- Publication Date: 2016-7
Language
- English
Media Info
- Media Type: Digital/other
- Edition: Final Report
- Features: Figures; References; Tables;
- Pagination: 40p
Subject/Index Terms
- TRT Terms: Estimating; Evaluation; Forecasting; Literature reviews; Methodology; State of the practice; Vehicle miles of travel
- Geographic Terms: Texas; United States
- Subject Areas: Data and Information Technology; Highways; Planning and Forecasting;
Filing Info
- Accession Number: 01610837
- Record Type: Publication
- Report/Paper Numbers: PRC 15-40 F
- Files: NTL, TRIS
- Created Date: Sep 21 2016 2:40PM