Continuing project to synthesize information on highway problems.
| Müşterek Yazar: | |
|---|---|
| Materyal Türü: | Kitap | 
| Dil: | English | 
| Baskı/Yayın Bilgisi: | Washington, D.C.
          Transportation Research Board, National Research Council
    
        1990. | 
| Konular: |