(1989) Upgrading of Bridge Approach Guardrail on Primary Roads in Iowa by Walter A. Schwall, June 14, 1989. Transportation, Department of
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Abstract
The purpose of this report is to examine the accident data at bridges on Iowa's Primary system and the cost effectiveness of installing approach guardrail in order to justify a program to upgrade approach guardrail at bridges on Iowa's Primary system.
| Item Type: | Departmental Report |
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| Keywords: | Bridge railings, guardrail, transportation, primary road |
| Subjects: | Transportation Transportation > Materials Transportation > Bridges and tunnels Transportation > Roads and highways Transportation > Research Transportation > Design and Construction |
| ID Code: | 50356 |
| Deposited By: | Margaret Barr |
| Deposited On: | 27 Aug 2024 19:19 |
| Last Modified: | 27 Aug 2024 19:19 |
| URI: | https://publications.iowa.gov/id/eprint/50356 |