Abstract: High-resolution vehicle speed profiles obtained from sophisticated devices such as global positioning system (GPS) receivers provide an opportunity to accurately measure intersection delay, composed of deceleration delay, ...

Abstract: The microscopic vehicle activity levels for a random sample of 7,288 vehicles were measured and analyzed for cars and trucks on 26 entrance ramps in Louisville, Ky. Approximately 12.3 million distance measurements were ...

Abstract: The use of Bluetooth detection systems for collecting travel time data is becoming increasingly popular because data can be collected continuously at a relatively low cost. However, representativeness of the data can be ...

Abstract: Bicycling and walking can provide public health and quality of life benefits to a community, but safety concerns and crash rates for those who choose to bicycle or walk remain high. To better understand how agencies decide ...