Washington State Association of County Engineers
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Federal Reauthorization
Reports
- Driving and the Built Environment: The Effects of Compact Development on Motorized Travel, Energy Use, and CO2 Emissions (Transportation Research Board Special Report 298)
- Red-Signal Enforcement Lights (FHWA-SA-09-005)
- Embedded LEDs in Signs (FHWA-SA-09-006)
- LED Raised Pavement Markers (FHWA-SA-09-007)
- Advanced Dilemma Zone Detection System (FHWA-SA-09-008)
- Rectangular Rapid Flash Beacon (RRFB) (FHWA-SA-09-009)