Abstract: In recent years, land development professionals from various disciplines have advocated narrowing city streets as a means to slow speeds and improve the urban environment. This paper reports the findings of a study of ...

Abstract: This paper describes the 1990 test of an automatic vehicle classification (AVC) system employing an inductance detector loop and photoelectric sensors emitting infrared‐spectrum light beams, which were reflected off commonly ...

Abstract: A gap acceptance study was performed at a T-intersection at which left-turn traffic on the through leg had the right-of-way. A number of methods were used to model the critical gap size at this atypical intersection. The ...

Abstract: A study of guardrail end accidents on the Oklahoma State Highway System (1988–91) examined the severity of exposed and turned-down guardrail end accidents in relation to the type of end, vehicle weight, and vehicle rolling ...

Abstract: This project was a pilot study to examine side friction values for the geometric design of low-speed urban horizontal curves. The friction factors calculated from measured curve radius, pavement cross slope, and vehicle ...