Institute for Transportation Research and Education - 2003 Oliveira, M. G., Williams, B., & Leonard, J. D. (2003). Determining traffic stream impacts of radar detectors using microscopic simulation. Journal of Transportation Engineering, 129(1), 7–15. https://doi.org/10.1061/(ASCE)0733-947X(2003)129:1(7) A statistically-based validation of computer simulation models in traffic operations and management. (2003). Journal of Transportation and Statistics, 5(1), 1–15. Cook, T. J., Lawrie, J. J., & Henry, A. J. (2003). From rural single-county to multicounty regional transit systems - Benefits of consolidation. TRANSIT: BUS, PARATRANSIT, RURAL PUBLIC AND INTERCITY BUS, NEW TRANSPORTATION SYSTEMS AND TECHNOLOGY, CAPACITY AND QUALITY OF SERVICE, pp. 54–61. https://doi.org/10.3141/1841-06 Unal, A., Rouphail, N. M., & Frey, H. C. (2003). Effect of arterial signalization and level of service on measured vehicle emissions. In Energy, air quality, and fuels 2003 (pp. 47–56). Washington, DC: Transportation Research Board. Colyar, J. D., & Rouphail, N. M. (2003). Measured distributions of control delay on signalized arterials. In Traffic flow theory and highway capacity, 2003 (pp. 1–9). Washington, DC: Transportation Research Board. Hagring, O., Rouphail, N. M., & Sorensen, H. A. (2003). Comparison of capacity models for two-lane roundabouts. In Traffic flow theory and highway capacity, 2003 (pp. 114–123). Washington, DC: Transportation Research Board. Sobsey, M. D., Perdue, R., Overton, M., & Fisher, J. (2003). Factors influencing faecal contamination in coastal marinas. WATER SCIENCE AND TECHNOLOGY, Vol. 47, pp. 199–204. https://doi.org/10.2166/wst.2003.0195 Frey, H. C., Unal, A., Rouphail, N. M., & Colyar, J. D. (2003). On-road measurement of vehicle tailpipe emissions using a portable instrument. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION, 53(8), 992–1002. https://doi.org/10.1080/10473289.2003.10466245 Williams, B., & Hoel, L. A. (2003). Modeling and forecasting vehicular traffic flow as a seasonal ARIMA process: Theoretical basis and empirical results. Journal of Transportation Engineering, 129(6), 664–672. https://doi.org/10.1061/(ASCE)0733-947X(2003)129:6(664) Tsai, J., Rhoulac, T., Henry, A. J., & Hall, W. L. (2003). Analysis of North Carolina guidelines and criteria for establishing school walk zones. In Pedestrians and bicycles 2003 (pp. 47–55). Washington, DC: Transportation Research Board. Judge, E. K., Overton, M. F., & Fisher, J. S. (2003). Vulnerability indicators for coastal dunes. Journal of Waterway, Port, Coastal and Ocean Engineering, 129(6), 270–278. https://doi.org/10.1061/(ASCE)0733-950X(2003)129:6(270)