Effectiveness of changeable message displays in advance of high-speed freeway lane closures
| Egile nagusia: | |
|---|---|
| Egile korporatiboa: | , , |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Washington, D.C.
Transportation Research Board, National Research Council
[1981]
|
| Saila: | Report (National Cooperative Highway Research Program)
235. |
| Gaiak: |


