National Cooperative Highway Research Program
NCHRP Project 20-5

Synthesis of Highway Practice 301
Collecting, Processing, and Integrating GPS Data into GIS

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 301: Collecting, Processing, and Integrating GPS Data Into GIS includes a discussion of the benefits and problems of integrating Global Positioning System (GPS) data with data from geographic information systems (GIS) and a six-step method designed to help improve the quality of maps and reduce the severity of problems associated with GPS-GIS integration.  This topic is published at https://www.trb.org/news/blurb_detail.asp?id=805