Right-of-way renewable energy resources available on SSTI website

By Bill Holloway At SSTI’s first Sustainability Directors’ Meeting in June 2015, a number of state departments of transportation were interested in siting renewable energy infrastructure (primarily solar arrays) in the highway right-of-way (ROW) but faced challenges in getting started. Two

Searching for policy responses to the promise and threat of automated vehicles

By Eric Sundquist Policy around automated vehicles is expressed more in questions than answers at this point. How should we design, build, and fund infrastructure? Will autonomous vehicles reduce traffic and emissions by rationalizing pricing in a transportation network company (TNC) model? Or

Completing the commute: Does Uber have a role in parking management?

By Mary Ebeling The rapid rise of Transit Network Companies (TNCs) like Uber and Lyft has sparked a new round of innovations in transportation. While most early TNC success has been in large urban areas, the usefulness of these services for bridging first- and last-mile connections between home,

FHWA publishes toolkit for bike-ped performance measures

By Robbie Webber FHWA has released its Guidebook for Developing Pedestrian and Bicycle Performance Measures. Establishing performance measures that go beyond delay, congestion, level of service, and safety for drivers—especially including good metrics for non-motorized modes—has been a

Crash fatalities climbing faster than VMT

By Bill Holloway Recent data indicate that the total number of traffic deaths in the U.S. in 2016 will be significantly higher than in 2015. According to an analysis by the National Safety Council, the number of traffic deaths during the first five months of the year (15,430) was 9 percent higher

September webinar: A guide for complete transportation—Arizona DOT’s new design guide

By Mary Ebeling In February, Arizona DOT published its much-anticipated Complete Transportation Guidebook, which ADOT views as a conversation about integrating sustainable transportation practices into the planning, scoping, and design of the project development process. The guide seeks to

California’s new fee on hazardous railroad shipments being challenged by railroads

By Bill Holloway California’s new fee on rail deliveries of certain hazardous chemicals, including crude oil, is being challenged in federal court by BNSF and Union Pacific railroads. As noted in the LA Times, the new state regulation, set to take effect this year, requires railroad companies

Building the infrastructure for zero emissions and alternative fuel vehicles

By Mary Ebeling A variety of electric and alternative fuel vehicles are increasingly available to consumers, which should be good news for efforts to reduce greenhouse gas emissions. However, adoption of these new, cleaner technologies is hampered by inadequate infrastructure needed to support

Study: One-way car-sharing reduces VMT, GHG emissions, and vehicle ownership

By Robbie Webber A recent study done by researchers at University of California-Berkeley has answered several questions many have had since car-sharing began: Does car sharing increase or decrease driving? What is the effect on overall VMT, vehicle ownership, and GHG emissions among car-sharing

Fatal crashes spike after red light cameras are removed

By Chris McCahill Red light cameras save lives despite frequent controversy about the way programs are administered. Fourteen cities turned off their red light cameras from 2010 to 2014, resulting in a 30 percent increase in fatal crashes due to red light violations and a 16 percent increase in