National Cooperative Highway Research Program
NCHRP Project 20-5

Synthesis of Highway Practice 328
State Product Evaluation Programs

TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 328: State Product Evaluation Programs examines the general use of evaluation programs within state departments of transportation (including the use of state specifications, and laboratory and field testing results), the national programs that exist to support the integration of new products and technologies into practice, and the general issues associated with conducting objective evaluations of new products and implementation of approved products.   This topic is published at https://www.trb.org/news/blurb_detail.asp?id=4047