News

Cellphone data is helping to improve travel demand modeling

By Chris Spahr The Moore County Transportation Committee, working with the North Carolina DOT, has significantly increased the accuracy of its data collection for its long-range transportation plan thanks to the cutting edge technology of aggregated cell phone data developed by AirSage. The

The value of walkability

By Bill Holloway Is a home worth an $850 price premium for each additional Walk Score point? That’s the value that Emily Washington and Eli Dourado came up with using a fixed-effects model to analyze home sales across all metro and micropolitan areas in the U.S. Along with that finding,

With trend towards road tolling, demand forecasting critical

By Mary Ebeling The first leg of Maryland’s Intercounty Connector—known locally as the ICC and envisioned as a multimodal transportation corridor—winds 18.8 miles between I-270/I-370 in Montgomery County and U.S. 1 in Prince George’s County. Supporters sold the project as one that

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

Private transit funding, public good?

By Robbie Webber Businesses have been funding private employee shuttles and buses for some time, and subsidized or fully-funded transit passes have become a common employee benefit, but sneaker company New Balance may have set a new bar for transit subsidies. As part of a 14-acre development to

CalTrans offers grant to study freeway conversion in Long Beach

By Chris McCahill Thanks to a quarter million dollar environmental justice grant from the California Department of Transportation, the City of Long Beach will now be able to study options for turning its Terminal Island Freeway into a local street, reclaiming 88 acres of land for a network of

Update: St. Louis area variable speed limits come down

By Bill Holloway Missouri DOT is removing 70 variable advisory speed limit signs on I-270 and I-255 mentioned in the October 14th edition of SSTI News. Although a recent report indicated that similar signs have been having a positive effect on congestion in the Minneapolis area despite drivers’

Motor vehicle pollution a major contributor to American deaths

By Chris McCahill Last year, following six years of decline, the number of traffic fatalities in the U.S. rose 5 percent—to 34,000—continuing the position of motor vehicle crashes as one of the leading causes of death, particularly among young people. It is the top cause of death for ages 5

Signs alert drivers: Slow down; there’s congestion ahead

By Bill Holloway Drivers headed for traffic jams largely disregard advisory variable speed limit (VSL) signs intended to slow traffic in advance of downstream congestion. A recent report from the ITS Institute at the University of Minnesota found that drivers are not adjusting their speeds in

New report from SSTI discusses freight transportation demand management strategies

By Chris Spahr A new report, funded by SSTI with a matching grant from the Center for Freight and Infrastructure Research and Education, identifies and evaluates freight transportation demand management strategies to improve transportation efficiency by reducing the social costs associated with