DOTs

NACTO releases safe speed limit guidance

By Eric Sundquist As the transportation field gradually moves away from its singular focus on high motor vehicle speeds and its reliance on motorist behavior to set speed limits, NACTO has just released comprehensive guidance on speed limits on surface streets in metro areas. “City Limits:

All-way stop signs reduce crashes by one-third

By Chris McCahill From 2009 to 2016, the District Department of Transportation (DDOT) in Washington, DC, converted 60 intersections from two-way stops (allowing free flow on the major route) to all-way stop control. A new study in the Transportation Research Record looks at 53 of those

California highway projects face review for induced travel

By Eric Sundquist The implications of California’s SB 743 (2013), which is widely if somewhat imprecisely known as the “move away from level-of-service to vehicle-miles-traveled bill,” became clearer last week, as Caltrans issued guidance on which transportation projects will require

Destination access bills introduced in U.S. House

By Eric Sundquist A trio of representatives along with 10 co-sponsors have introduced a pair of bills that would set destination access as a national performance measure. Both bills describe destination access, aka “accessibility,” in terms of travel times by auto, transit, walking, and

Planning for an uncertain future

By Chris McCahill Traffic forecasts and other projections are often presented as a single line on a graph or number in a chart. But we know—now more than ever—that these predictions are full of uncertainties. The Sacramento Council of Governments (SACOG), for a new study in JAPA, puts hard

Sweden and Virginia: Messaging and variable tolls can influence mode choice

By Robbie Webber Two recent studies—one practical and one academic—show two approaches to reducing driving. A Swedish study looked at what types of messages influence the choice to drive, while a report from Virginia shows that tolls on the I-66 corridor outside Washington have made a

Framing resilience for state DOTs

By Michael Brenneis The mission of many state DOTs has evolved beyond the traditional “highway department” to include protecting the quality of life of the people of a given state, and the integration of all travel modes to safely move people and goods. Resilience has come to mean more than

New report discusses how transportation officials can support health equity

By Rayla Bellis Smart Growth America recently released a new report, The State of Transportation and Health Equity, a field scan looking at the intersection of transportation and health equity in the U.S. today. The report summarizes lessons based on interviews with 92 experts working across

Planning for resilience in Vermont

By Michael Brenneis The Vermont Agency of Transportation, along with a list of partners (p. iv), has developed a planning tool to identify and prioritize parts of the transportation network most at risk of flooding, fluvial erosion, landslides, or other natural disasters. The need for a

Why DOTs need more workforce diversity

By Rayla Bellis Many state DOTs around the country are currently contending with challenging workforce issues, whether attracting and retaining talented workers while competing with the private sector or preserving institutional knowledge amidst a wave of baby boomer retirements. An article in