Roadside safety improvement programs on freeways a cost-effectiveness priority approach
| Príomhchruthaitheoir: | |
|---|---|
| Údair chorparáideacha: | , | 
| Formáid: | LEABHAR | 
| Teanga: | English | 
| Foilsithe / Cruthaithe: | Washington, D.C.
          Transportation Research Board, National Research Council
    
        1974. | 
| Sraith: | Report (National Cooperative Highway Research Program)
              148. | 
| Ábhair: | 


