Topics

METHODOLOGY The study offered an in-depth longitudinal analysis of the short-term and long-term impacts of an automated speed enforcement program using more than 1,800 fixed speed cameras in school…

METHODOLOGY The pilot study includes 670 total fleet vehicles consisting of 400 ISA-enabled ones, and 270 control vehicles. The ISA devices on the 400 treatment vehicles were active between July 13th…

METHODOLOGY In this study, to find the most appropriate control segments for the comparative analysis, the researcher applied clustering techniques to data on traffic volumes, roadway characteristics…

METHODOLOGY In this study, the empirical Bayes (EB) method was used by identifying similarly treatable, but untreated, road segments to evaluate the safety performance of roadways in safety zones. An…

METHODOLOGY The effects of speed cameras were studied near individual cameras, between cameras, and across entire road sections. Camera locations were defined as within 250 meters (820 feet) before…

METHODOLOGY This study included a total of 3,590 vehicles, comprising 1,564 cars, 1,136 motorcycles, 356 commercial trucks, and 534 public transport vehicles. Most data were gathered in zones with a…

METHODOLOGY AWZSE cameras were located just past the entrance to a work zone. Any driver detected in violation by a radar gun triggered the camera. The captured image was processed to send a speeding…

METHODOLOGY This study examined three commercially available DSFS signs at six different freeway interchange ramps in Michigan. The evaluation tested several aspects of the DSFS, including physical…

METHODOLOGY Before-and-after analysis (2019 vs 2021) was conducted to determine the effectiveness of the ASE implementation. To isolate the results of this intervention versus other factors, crash…