environment

An app that rewards commuters for their travel choices

By Chet Edelman Everyday navigation apps such as Google Maps and Waze use real-time traffic data to help millions of people find the fastest route to work. A new app called incenTrip emulates the same model but with a twist—it incentivizes commuters to take greener, more eco-conscious trips.

Creating a transportation decision-making process that is equitable for everyone

By Logan Dredske The Greenlining Institute, a policy, research, organizing, and leadership institute working for racial and economic justice, released in March their newly published Mobility Equity Framework: How to Make Transportation Work for People. The focus of their publication is to

There’s more to roadway emissions than what comes out of the tailpipe

By Bill Holloway While the push to reduce vehicle emissions has focused on cleaner fuels, more efficient engines, and other technologies that can reduce or eliminate tailpipe emissions, non-tailpipe emissions have remained largely under the radar. Non-tailpipe emissions include dust generated

Massachusetts looks towards carbon pricing to reduce GHG emissions

By Bill Holloway Last month Massachusetts released a study investigating how the commonwealth could implement a revenue-neutral carbon fee or tax to support the state’s GHG reduction goals. Massachusetts’ Department of Energy Resources requested that the researchers develop a system that

GreenDOT implementation: Putting policy into practice

By Mary Ebeling In a July 2014 update on MassDOT’s ambitious GreenDOT program, we noted that the GreenDOT office had begun preparing the first in a series of “data- and performance-driven progress reports.” The first report, released in December, documents the key policy shifts, performance

California’s Cap and Trade Program starts, impacts on fuel prices hotly debated

By Bill Holloway As of January 1, gasoline, diesel, and natural gas fuels are now covered under California’s Cap-and-Trade Program.  The program, which was established as part of the state’s 2006 climate change law, requires large companies to pay a price to emit carbon by purchasing carbon

Oregon DOT promotes Drive Less Challenge

By Dan Moser On October 21, Oregon Department of Transportation and its regional transportation partners launched the first statewide Oregon Drive Less Challenge.  The immediate goal of the campaign is to reduce statewide vehicle miles traveled in single occupancy vehicles by half a million

Tools for Estimating VMT Reductions from Built Environment Changes (Anne Vernez Moudon and Orion Stewart , University of Washington, 2013)

Developing built environments supportive of walking, bicycling, and transit use can help meet VMT reduction goals. But tools are necessary to understand how changes to the built environment may translate into changes in travel. Such tools can help optimize land use and transportation investments

Assessing the Extent and Determinates of Induced Growth (Montana DOT, 2013)

Transportation improvements affect the accessibility of places, which in turn can result in changes in land use in combination with factors that support or discourage development (such as land prices, market demand, local land use regulations, and environmental constraints). Transportation

Leaner and Greener: Sustainability at Work in Transportation (Center for Environmental Excellence and AASHTO, 2012)

The third in a series by AASHTO on environmental stewardship and expedited project delivery, this report showcases the efforts transportation agencies—including DOTs, MPOs, and transit providers—are undertaking to speed up project delivery and cut costs while protecting and even improving