A hybrid barrier for use at bridge piers in medians (Modular Crash Cushion plus concrete median barrier) /

by Hayes, Gordon G., Ivey, Don L., Hirsch, T. J. (Teddy James), Viner, John G.
Published 1971

The Modular Crash Cushion /

by Hirsch, T. J. (Teddy James), Hayes, Gordon G., Ivey, Don L.
Published 1970

TOR-SHOK and ROTO-SHOK energy absorbing protective barriers / by /

by Hirsch, T. J. (Teddy James), Ivey, Don L., Smith, Harry L.
Published 1969

Evaluation of crash cushions construction of lightweight cellular concrete /

by Ivey, Don L., Buth, Eugene, Hirsch, T. J. (Teddy James), Viner, John G.
Published 1971

Dragnet vehicle arresting system /

by Hirsch, T. J. (Teddy James), Hayes, Gordon G., Ivey, Don L.
Published 1969

Timber post energy absorbing protective barrier /

by Hirsch, T. J. (Teddy James), Smith, Harry L., Ivey, Don L.
Published 1969

Feasibility of lightweight cellular concrete vehicle crash cushions /

by Ivey, Don L., Buth, Eugene, Hirsch, T. J. (Teddy James)
Published 1970

Texas T1 bridge rail systems /

by Olson, Robert M., Smith, Harry L., Ivey, Don L., Hirsch, T. J. (Teddy James)
Published 1971

New York box-beam bridge rail-guardrail /

by Stocker, Arthur J., Ivey, Don L., Hirsch, T. J. (Teddy James)
Published 1971

Feasibility of concrete pipe crash cushions /

by Pittman, M. A. (Mary Ann), active 1972-1973, Ivey, Don L., Hirsch, T. J. (Teddy James)
Published 1971