Intersections
How Understanding Near-Misses Can Improve Road Safety
Most road safety efforts are based on data about crashes that have already occurred. But important information can be gleaned from incidents when something almost went wrong, but didn’t.
How I Learned to Stop Worrying and Love the Roundabout
What drives the U.S. backlash to roundabouts — objectively safer and more efficient than stop-and-go intersections?
How Well Will San Francisco’s Daylighting Program Work?
Unlike other efforts to prevent cars from parking near intersections to improve visibility and road safety, San Francisco has no plans to install physical infrastructure to keep vehicles out of danger zones.
San Francisco Officials Call for Citywide Ban on Right Turns on Red
A proposal to prohibit turns on red at some downtown intersections prompted calls for a blanket ban for the entire city.
$817 Million Safe Streets Grants Include $25M for Detroit
The city plans to use the funds to make safety and accessibility improvements at bus stops.
NYC Launches Daylighting Plan
The city will install visibility improvements at over 1,000 intersections to improve traffic safety.
How ‘Daylighting’ Intersections Can Save Lives
Eliminating visual obstructions can make intersections safer for all users.
Austin Overhauling Dangerous Intersections
Austin's Visio Zero program is hard at work, making significant changes to some of the city's most dangerous intersections.
Bike-Friendly City in Indiana is Known for Plentiful Roundabouts
Indiana's fifth-largest city, of just under 100,000, residents has 120 roundabouts, more than any city in the U.S., and only 14 traffic lights. The average traffic fatality rate is 83 percent lower than the national average.
Nation's Top Safety Board Recommends Protected Bike Lanes
The NTSB chair issued a stark warning on Nov. 5: "If we do not improve roadway infrastructure for bicyclists, bicyclists will die who otherwise would not," stated Robert Sumwalt in introducing their first report in 47 years devoted to bike safety.
NACTO Guide Aids Bike Safety in the Intersection
Despite massive progress in building out new protected bike lanes, many communities are still coming up short with safety improvements at intersections, the location of most vehicle-bike conflicts.
'World's Smartest Intersection' Debuts in Detroit
Putting the advanced hardware and software systems in the Motor City.
Decades-Long Quest for Safer Streets Reaches an Important Milestone
Melissa Wandall has been fighting for safer conditions for Florida streets since the death of her husband Mark Wandall in 2003. Earlier this month, the Supreme Court of Florida upheld a traffic safety law passed in his name.
Insurance Institute: Pedestrian Fatalities Jump 46 Percent from 2009
The Insurance Institute for Highway Safety released a study on May 8 that attributes the increased number of pedestrians killed in part to road design that allows for higher speeds, fewer intersections and pedestrian crossings and more SUVs.
On the Life-Saving Potential of Leading Pedestrian Intervals
Giving pedestrians a head start at crosswalks is a simple fix that could save lots of lives. New York City has already seen a significant reduction in fatalities and injuries.
On the Rise of the Diverging Diamond Interchange
Its design can appear baffling at first, but the DDI presents drivers with far fewer opportunities to collide with each other than traditional four-way intersections.
Seattle's Weirdest Intersections Make a Fetching Design
One artist capitalized on the quirks of Seattle's street grid.
How Students Would Improve a Particularly Busy Boston Intersection
Students at Emerson College live with the frustrations of the intersection of Boylston and Tremont streets everyday. They also have ideas for how to fix the intersection.
The Case for Modern Roundabouts: Increased Safety
Roundabout are gaining popularity in California and across the nation. While they have been shown to reduce crashes, not all are sold on the innovative concept, and when it comes to multi-lane roundabouts, cyclists have legitimate concerns.
Slot-Based Design Could Eliminate Traffic Lights
An MIT study determined that traffic lights, and their inefficiencies, could be eliminated if all vehicles were equipped to regulate their speed and "batch" together as they approach intersections.
Urban Design for Planners 1: Software Tools
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.
Planning for Universal Design
Learn the tools for implementing Universal Design in planning regulations.
Heyer Gruel & Associates PA
JM Goldson LLC
Custer County Colorado
City of Camden Redevelopment Agency
City of Astoria
Transportation Research & Education Center (TREC) at Portland State University
Jefferson Parish Government
Camden Redevelopment Agency
City of Claremont
