August 29, 2014
For I-30, project plans also included temporary portable rumble strips.
Arkansas Highway and Transportation Department (AHTD) Project BB0306, the Sheppard to Highway 278 project, entailed undercutting the inside shoulder and overlaying an asphalt surface on I-30. Earlier this summer, AHTD set up work zones and lane closures that ran from mile marker 22.4 to 29.5 on I-...
August 01, 2014
The city of Varenne, Québec, is on a mission to improve the safety of Canadian highways while saving taxpayer dollars. After recently completing a bridge replacement project on Autoroute 30, the city of Varenne decided to upgrade already-installed road departure devices.
July 30, 2014
Mobile Barriers MBT-1—strong, highly mobile barriers for temporary work zones, mobile operations and incident management. Improves safety, efficiency and traffic flows. Drives at speed and simply parks to work. Fully integrated and self-contained with onboard power, lights, decks, storage, signage...
July 15, 2014
While road safety nationwide has improved greatly in the last decade, traffic fatality rates are still generally higher in the northern-plains and southern states than in the Northeast, Midwest and West, according to a University of Michigan researcher.
Michael Sivak, research professor at the...
July 02, 2014
Next year marks the 100th anniversary of the first stop-sign installation.
Not surprisingly, this innovation was developed and installed in Detroit. It was a rather simple device—the word STOP written in black on a white metal background. Over the next century a system of uniform rules, road-...
June 24, 2014
Intelligent transportation systems (ITS) are being increasingly deployed in work zones to improve traffic operations and safety.
Also known as smart work-zone systems, these deployments provide real-time information to travelers, monitor traffic conditions and manage incidents. Despite numerous ITS...
June 15, 2014
As early as the 1920s highway agencies across the country started developing guidelines for uniform traffic signs. During that time—and pretty much ever since—the conventional thinking concerning nighttime visibility has been brighter is better.
That is because nighttime sign visibility has...
June 15, 2014
The most critical aspect of signal design and timing at an intersection is the development of an appropriate phase plan, which is mainly driven by left-turn treatments.
Accommodating and addressing left-turning vehicles is challenging for traffic engineers as they seek balance between...
June 15, 2014
It is just before 6 a.m. when you are awakened by the phone. Annoyed that someone would call you at such an early hour, you answer thinking, “what could be so important?”
Your world begins to spin when you learn your spouse has been killed by a motorist while working on a nearby roadway...
May 27, 2014
Eliminate Claims and lower your Costs! Safety Ramps allow smooth, safe passage for motorists over transverse milled edges, steel utility plates, end of day joints and bridges. Smooth, uniformly molded Safety Ramps. Eliminate heavy equipment and operator cost to install and remove asphalt ramps....
May 21, 2014
More than 3.5 million drivers in 20 states ran a red light in 2013, according to the second biannual “Safer Roads Report 2014: Trends in Red-Light Running” from the National Coalition for Safer Roads (NCSR).
The report examines red-light running trends across 20 states and is designed to help...
May 09, 2014
The first-place winner in the 2014 ATSSA Innovation Awards, the Sher-Friction High Friction Surface (HFS) treatment from Sherwin-Williams, can help reduce accidents by up to 70%. Sher-Friction consists of two parts: a liquid resin film applied to the pavement surface, followed by an...
May 02, 2014
While the rest of the U.S. is gaining daylight as summer nears, those around Kansas City are losing street light.
Hundreds of street lights in the western Missouri region are out of order. Some are lifeless because of the harsh winter or bulbs that have reached the end of their service life, but...
April 29, 2014
RoadQuake 2F alerts drivers to changing road conditions in a convenient, one-piece folding design. RoadQuake 2F simply folds for storage and transport and unfolds for quick, easy installation. Designed to reduce accidents and save lives, RoadQuake 2F provides significant sound and vibration to...
April 07, 2014
Forty-five percent of highway contractors had motor vehicles crash into their construction work zones during the past year, according to the results of a new highway work-zone study conducted by the Associated General Contractors of America. Association officials added that the study found work-...
April 07, 2014
Louisiana Department of Transportation and Development Secretary Sherri LeBas last Thursday held a news conference on the front lawn of DOTD headquarters alongside a 609-cone memorial, honoring the number of lives lost nationwide in work zones in 2012.
"Tremendous progress has been made to...
February 14, 2014
Highway maintenance crews from East Chicago to the Ohio River turn to custom-created forecasts by Purdue University students that provide the detailed information needed to plan efficient and effective counterattacks against dangerous winter precipitation.
The forecasts' most unique feature is...
January 15, 2014
According to the FHWA, there were 87,606 work-zone crashes in 2010 that led to 576 fatalities.That number translates to one fatality in a work zone every 15 hours. Research into traffic safety has found that demand-management programs used to reduce volumes through construction sites have a high...
January 15, 2014
W hile the U.S. DOT works feverishly to complete MAP-21’s new bridge, pavement and asset-management data requirements, the Utah Department of Transportation (UDOT) provides a guide for how to use public-private partnerships to take risk-based asset management to a whole new level and create the...
December 12, 2013
Avery Dennison OmniCube full-cube prisms return approximately 60 percent of available light back to the driver—20 percent more than competition prismatic sheeting options. The full cubes and angles are then precisely aligned in multiple orientations to deliver consistent performance. OmniCube’s...