TASSIM: a transportation and air shed simulation model. Volume 1, case study of the Boston region. Final report.

Transportation Department, Secretary of Transportation, Washington, D.C.

TASSIM: a transportation and air shed simulation model. Volume 2, program user's guide. Final report.

Transportation Department, Secretary of Transportation, Washington, D.C.

Transportation system safety methodology. First year final report.

Transportation Department, Office of University Research, Washington, D.C.

Truck transportation of hazardous materials - a national overview. Final report.

Transportation Department, Research and Special Programs Administration, Washington, D.C.