highways

This project proposed a hierarchical ramp merging system that not only allowed microscopic cooperative maneuvers for connected and automated electric vehicles on the ramp to merge into mainline traffic flow, but also had controllability of ramp inflow rate, which enabled macroscopic traffic flow control.

In this study, the authors used coyotes as a model to investigate how four Northern California highways affect gene flow of ground-dwelling mammals.

This policy brief summarizes findings from research that examined the potential population division effect of highways on coyote populations in the Bay Area and Sierra Nevada foothills.

This study examines the extent to which public perceptions of mileage fees are guided by misinformation or lack of information using a national, internet-based survey. The researchers find that education can play a key role in increasing support for a mileage fee policy as an alternative to the gas tax.

In this report, researchers measured how effectively soundwalls and vegetation barriers mitigated air pollution near freeways.

This report summarizes the impact on corridor-level energy use and emissions associated with the 2018 opening of the I-75 Northwest Corridor (NWC) and I-85 Express Lanes in Atlanta, GA.