Highways and air quality : report of the Workshops of the Advisory Committee on Highways and air Quality, Washington, D.C., September 11-13, 1973.

The workshops participants were divided into 4 working groups to deal with the following specific subjects: highway air quality analysis and evaluation, short-term control strategies, implications for transportation planning, and institutional relations for implementing solutions. The reports of each of the 4 working groups are contained in this special report.