Effectiveness of changeable message displays in advance of high-speed freeway lane closures /
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| Main Author: | |
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| Corporate Author: | |
| Format: | Book |
| Language: | English |
| Published: |
Washington, D.C. :
Transportation Research Board, National Research Council,
1981.
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| Series: | National Cooperative Highway Research Program report ;
235 |
| Subjects: | |
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