Tag: speed

  • October 2nd, 2024

A past research effort initiated by the Federal Highway Administration (FHWA) found that the combined workload of guidance (i.e., selection of the vehicle path) and control (i.e., physical operation of the vehicle) in the vicinity of interchanges creates a particularly challenging environment for motorists (Katz et al. 2018). At interchange ramp locations, drivers use cues […]

  • September 12th, 2024

This report is an introduction to behavioral traffic safety countermeasures for rural stakeholders who want to build capacity, form partnerships, and address problems in their communities, based on NHTSA’s 11th edition of Countermeasures That Work. This new report features select speed, alcohol-impaired driving, and occupant protection countermeasures relevant to rural communities. It is not intended […]

  • September 27th, 2023

Previous studies have shown that the optimal speed trajectories for vehicles with different engine types (e.g., gasoline versus electric vehicles) are very different under certain conditions. This study aims to solve this issue by developing a general speed control algorithm that calculates a compromised solution across different vehicle engine types while optimizing the entire mixed […]