This report describes a set of CMS monitoring procedures, collectively called Travel Time with GPS (TTG), which can be implemented on low cost, commonly available PCs. The main contribution is a GPS-GIS methodology which can be used by district engineers, city traffic officials, and MPO planners to conduct travel time studies and monitor congestionmat various levels of resolution (from system to local).
The overall goal of this research study was to demonstrate the feasibility of using global positioning system (GPS) and geographic information system ...
This research study is concerned with the development of a set of procedures for monitoring congestion using GPS and GIS. These procedures are meant t...
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United States Department of Transportation
[PDF-6.24 MB]
