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t j hirsch
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Bridge rail to restrain and redirect 80,000 lb trucks
T. J. Hirsch · Texas Transportation Institute, Texas A&M University
37 sayfa · 1981
Bridge railings / Traffic safety / Trucks / Weight
Concrete safety shape with metal rail on top to redirect 80,000 lb trucks
T. J. Hirsch · Texas Transportation Institute, Texas A&M University System
33 sayfa · 1984
Bridge railings / Bridges / Design and construction / Safety measures
Longitudinal barriers for buses and trucks
T. J. Hirsch · Texas Transportation Institute, Texas A&M University System
22 sayfa · 1985
Crash cushions / Guard fences / Roads
Perforated tension fuse plate for breakaway roadside signs
T. J. Hirsch · Texas Transportation Institute, Texas A&M University System
68 sayfa · 1984
Break-away supports / Traffic signs and signals