Description
Item Description:Tx Doc number: H1333.7, R311, 230-1.
"Research study 2-5-78-230, Bridge rail to contain heavy trucks and buses; sponsored by the State Department of Highways and Public Transportation in cooperation with the U.S. Department of Transportation, Federal Highway Administration."
Physical Description:vii, 49 pages : illustrations ; 28 cm.
Bibliography:Bibliography: page 25.