Policy Brief

Managing the Impacts of Freight in California

Research Product Type
Policy Brief
This policy brief provides a statewide assessment of freight movement on all traffic congestion, and defines freight impact areas as severely congested roadway corridors with high volumes of trucks.

Mileage Fees: An Equitable and Financially Viable Alternative to the Gas Tax

Research Product Type
Policy Brief
In the U.S., mileage fees, or road user charges, are being explored as an alternative to motor fuel taxes, often called “gas taxes.” Researchers from the University of Vermont Transportation Research Center used data from over 360,000 Vermont vehicles to assess the financial and equity impacts of replacing the Vermont state gas tax with a revenue-neutral mileage fee of 1.5 cents per mile.

Monitoring Sea Level Rise at the Local and Regional Scale

Research Product Type
Policy Brief
This policy brief summarizes findings from a project which utilized a method to monitor shoreline and infrastructure changes in response to sea level rise using a network of time-lapse cameras.

Planning Can Maximize Benefits and Mitigate Negative Consequences of Future Travel Increases from E-Commerce

Research Product Type
Policy Brief
Researchers at the University of California, Davis developed a forecasting model to quantify the potential impacts of future e-commerce on emissions and transport activity under different scenarios with assumptions about penetration levels of various technologies (e.g., electrification, rush deliveries, crowdshipping, and automation/efficiency improvements).