A new intersection design is being introduced at high volume highway interchanges in states across the U.S. The diverging diamond interchange (simulation), described by Tom Vanderbilt in a recent Slate article, reduces queue lengths and …
safety
CAFE standard sound off
The new Corporate Average Fuel Economy standard has been released and there is no shortage of opinions on its worth. Here is a roundup of various responses to the Obama administration’s new fuel efficiency standard: …
Maximizing investments in work zone safety in Oregon
In 2008, 720 fatalities occurred in work zones throughout the nation. This figure is two percent of all roadway fatalities for the year. With limited funds for safety, the Oregon Department of Transportation initiated a …
Six ideas for fixing the nations infrastructure problems.
Two writers for Governing, Russell Nichols and Ryan Holeywell, have come up with a thoughtful set of ideas, ranging from revamping the highway trust fund to empowering state and local governments to “get cities to …
Dimming the lights without diminishing safety
In a pilot project, the Maryland Highway Administration is investigating whether fewer highway lights can be used without compromising safety.
Older driver program five-year strategic plan
With more than 32 million drivers currently over 65 years old, a number which is expected to grow to 40 million by 2020, the U.S. National Highway Traffic Safety Administration wants to enhance its ongoing …
Warning system shows potential for alleviating crashes at dangerous rural intersections
From the University of Wisconsin, a note about ongoing research states that: “In 2005, more than 9,200 Americans died in intersection crashes, and nearly half of those crashes occurred at rural intersections,” quoting Madhav Chitturi, an …
Every Day Counts
One of the themes for the SSTI Community of Practice meeting in Seattle will be streamlining transportation projects. FHWA has a website called “Every Day Counts,” which is “designed to identify and deploy innovation aimed …