News

Redefining mobility in the Motor City—the fate of I-375

By Mary Ebeling Detroit, home to the nation’s Big Three automakers, fully embraced the construction of the interstate highway through its urban core. The fact that this city, the epicenter of car culture, finds itself considering the removal of a freeway is a clear sign that transportation

INVEST workshops to be offered at TRB 2014

SSTI is working with FHWA to provide assistance to DOTs and other transportation agencies on INVEST, a voluntary, web-based tool and collection of best sustainability practices. Attendees of the 2014 TRB annual meeting are invited to participate in brown bag sessions that will introduce INVEST

New travel demand projections are due from U.S. DOT. Will they be accurate this time?

By Eric Sundquist When the U.S. DOT’s most recent Conditions and Performance Report to Congress hit the streets in 2012,[1] it forecast that national vehicle-miles traveled would reach 3.3 trillion that year. A few months later we learned that their estimate was almost 11 percent too high. That

CDOT study tests methodology for systematic bicycle traffic measurement

By Robbie Webber As bicycling and walking have become more popular methods of transportation, cities and states are searching for better techniques for estimating traffic from these non-motorized modes. Both on individual corridors and throughout transportation systems, traffic volumes are

River states explore shifting more oversized and overweight shipments via water

By Bill Holloway According to the recently released M-55 Marine Highway Initiative Study, there is a significant opportunity for the Illinois and Mississippi Rivers to carry more oversized and overweight (OSOW) freight, particularly manufactured goods and large containers of agricultural goods. 

Ann Arbor could become testing ground for network of driverless cars

By Chris McCahill While driverless cars seem to be a technological reality thanks to innovative leaders at Google, questions still remain as to their implementation and practicality. Researchers at University of Michigan hope to answer these questions by launching a citywide network of shared

What do video games and transportation planning have in common?

By Chris Spahr A new approach to the idea of visualization is using the real-time 3D tools that are normally reserved for interactive video games. Excitement is building in the transportation-planning world over 3D visualizations created by Spencer Boomhower of Cupola Media.  While visualization

State DOTs and MPOs develop adaptive strategies with help of climate change pilot program grants

By Mary Ebeling Recent severe weather events have levied significant damage on transportation systems in states across the country. Many states, particularly those recently affected, are paying attention to the climate-related vulnerabilities in their transportation systems. Some are using grant

WSDOT accountability report replaces congestion with corridor capacity

By Robbie Webber Washington State Department of Transportation has been rightfully proud of their accountability and transparency with their quarterly Gray Notebook, which details system performance and project delivery. As part of that, they have issued an Annual Congestion Report. But the 2013

MBTA uses ABC technique to replace bridge

By Chris Spahr On Friday, November 8, the Massachusetts Bay Transportation Authority used an Accelerated Bridge Construction technique to replace a 102-year-old bridge that carries the Red Line trains over Clayton Street in Dorchester.  Using a Self-Propelled Modular Transporter, a new bridge