Road Traffic Safety

work-zone safety
News October 18, 2017
In a new study funded by the Minnesota Department of Transportation, researchers at the University of Minnesota investigated the potential advantages and possible disadvantages of vehicle-to-infrastructure (V2I) in-vehicle messages to communicate to drivers traveling in work zones.   The...
News October 16, 2017
I've been called a lot of things, but don't ever call me fake news. NAPA's take on research that said asphalt pavements were not strong enough to handle climate change; DOT officials push for a Highway Trust Fund fix; study shows people brake more for white pedestrians than black; and WYDOT makes...
traffic safety
News October 13, 2017
In order to eliminate traffic fatalities and serious crashes, a number of agencies have come together to implement The Virginia Strategic Highway Safety Plan, with the goal of moving the state toward zero deaths on the Commonwealth's roadways.   Every day, an average of two people die and more than...
IDOT survey crew member

IDOT survey crew member surveying intersection with 3-D scanner out of the path of live traffic. Photo courtesy of IDOT. 

Article October 11, 2017
In April 2010, the Illinois Department of Transportation (IDOT) and the Illinois Center for Transportation (ICT) published a research document titled Evaluation of 3-D Laser Scanning for Construction Application. The objective of this research was to study how 3-D laser scanning technology could be...
traffic safety
News October 10, 2017
Traffic fatalities rose 5.6% last year, with the biggest spikes in pedestrian and motorcyclist deaths, the National Highway Traffic Safety Administration (NHTSA) recently said.   There were 37,461 people killed on U.S. roads in 2016 as Americans continue to drive more, according to the NHTSA. That’...
Kosciuszko Bridge

Image source: New York Daily News / NY Gov. Cuomo

News October 02, 2017
The old Kosciuszko Bridge, which connected Brooklyn and Queens for 78 years in New York, was imploded Sunday morning.   The long-delayed implosion of portions of the bridge began Sunday at 8 a.m. as Gov. Andrew Cuomo led a 10-second countdown in front of a crowd that witnessed the big booms and...
road maintenance
News September 27, 2017
Throughout the month of October, S.R. 18 in southern California will be closed between Snow Valley Mountain Resort and Big Bear Dam in San Bernardino County in preparation for winter.   The area known as the Arctic Circle will be closed to traffic Monday through Thursday, 8 a.m. to 4 p.m. from Oct...
automated and connected vehicles
News September 12, 2017
U.S. Transportation Secretary Elaine Chao is expected to unveil streamlined safety guidelines for automakers that want to deploy self-driving vehicles today.   The new Transportation Department policy is expected to offer the lighter regulatory touch that automakers have pushed for. For example,...
Automated flagger
Article September 07, 2017
Flagging operations are a critical part of construction and maintenance activities on our highways.   Flagging personnel are trained to effectively and safely communicate the location of construction or maintenance activities to the traveling public. Due to the nature of the work, flagging...
Hurricane Irma heading towards Florida
News September 07, 2017
Every stretch of South Florida's highways is being closely monitored, as the Florida Department of Transportation (FDOT) is making sure any accidents get cleared up as quickly as possible and all lanes on I-95 stay open in anticipation of Hurricane Irma.   There's a steady traffic flow on South...
I-90 SmartRoad

View of an overhead SmartRoad sign along the Jane Addams Tollway from inside a Pace bus

News September 05, 2017
The Illinois Tollway in partnership with Pace Bus Service activated the new I-90 SmartRoad in the northwest Chicago suburbs that provides real-time traffic and travel information to drivers and allows Pace buses to travel on the inside flex lane during traffic congestion.   On the I-90 Jane Addams...
News September 01, 2017
This month, the Seattle Department of Transportation will be installing protected bike lanes on two of its busiest downtown streets. The lanes will cover six blocks of Pike Street and Pine Street between 2nd Avenue and 8th Avenue.   According to DOT officials, traffic signals in these areas will be...
News August 17, 2017
The first traffic restrictions required for the installation of a first-in-the-nation pilot wrong-way vehicle detection and warning system are scheduled this weekend at the I-17 interchange at Indian School Road in Phoenix.   Preliminary work started in the past week on the Arizona Department of...
Texas A&M RELLIS campus
Article August 16, 2017
It has been 100 years since our industry started using pavement markings to separate travel lanes and provide delineation; in 1917, a center line was painted to increase safety along a sharp curve in Marquette County, Mich.   Since that time, pavement markings have been designed, specified and...
Automated vehicles
News August 16, 2017
Waymo was granted a patent last week for cars that will soften on hitting pedestrians so that minimum damage is caused in case of an accident.   How the system will work is that the cars will have sensors, which combined with object detection using technology such as LIDAR (light detection and...
Hollywood Blvd

The Vision Zero Action Plan in Los Angeles aims to not only eliminate traffic deaths for motorists, but also for pedestrians and cyclists by concentrating efforts on areas with more vulnerable populations.

Article August 08, 2017
According to the National Highway Traffic Safety Administration, the year 2015 marked the end of a five-decade trend of declining traffic fatalities by showing a 7.2% increase over 2014.   This trend also was seen in the city of Los Angeles, which exhibited one of the highest collision death rates...
Wrong way driving warning sign
News July 28, 2017
The Arizona State Transportation Board has scheduled a special meeting Friday to award a grant to one of three bidders to work on a system that could help stop wrong-way drivers.   The board's decision will follow its approval last month of a $3.7 million plan to construct a thermal-detection...
Flex route gantry over U.S. 23 lanes in Michigan
News July 25, 2017
Earlier this year, the Michigan Department of Transportation started constructing what will be Michigan's first flex route. This new smart road traffic system will manage traffic congestion and promote safety on U.S. 23 just north of Ann Arbor, from M-14 to M-36 (9 Mile Road).   Orange barrels and...
Truck on highway
News July 25, 2017
The Texas Department of Transportation (TxDOT) is now using infrared technology to try to stop truck drivers with dangerously large loads from hitting freeway bridges and overpasses.   When trucks that are too tall slam into these structures, it can cause traffic tie-ups and congestion that impacts...
IDOT TRS developmental layout specification (as shown as Figure 4 in the Report).

IDOT TRS developmental layout specification (as shown as Figure 4 in the Report).

Case Studies June 30, 2017
The Center for Transportation Research and Education (CTRE) at Iowa State University develops methods and technologies to improve transportation safety and reliability.   Last month, CTRE issued a Final Report titled “Field Measurements on the Effect of Temporary Rumble Strips in Work Zone Flagging...
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