SURFACE TRANSPORTATION: Efforts to Address Highway Congestion through Real-Time Traffic Information Systems Are Expanding but Face Implementation Challenges.
| Autor: | Wise, David J. wised@gao.gov |
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| Zdroj: | GAO Reports. 11/30/2009, preceding p1-33. 40p. 3 Black and White Photographs, 3 Diagrams, 6 Charts, 1 Map. |
| Databáze: | Business Source Ultimate |
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