Roadside safety improvement programs on freeways a cost-effectiveness priority approach
| Autor principal: | |
|---|---|
| Autor corporatiu: | , | 
| Format: | Llibre | 
| Idioma: | English | 
| Publicat: | Washington, D.C.
          Transportation Research Board, National Research Council
    
        1974. | 
| Col·lecció: | Report (National Cooperative Highway Research Program)
              148. | 
| Matèries: | 


