May 13, 2016
The American Society of Civil Engineers has concluded that over the next decade, it will cost more than $3.3 trillion to keep up with repairs and replacements to U.S. roads, bridges, airports, power grid and other critical infrastructure, but based on current funding levels, the nation will come up...
May 10, 2016
The Federal Highway Administration (FHWA) has published a policy revision to allow more flexibility in the design of smaller road projects.
In 1985, 13 design criteria were prioritized because of their perceived impact on operations and safety. Based on research and FHWA experience, several have...
May 06, 2016
The Rhode Island Department of Transportation (RIDOT) is praising the state’s wrong-way driver detection system for keeping drivers safe on the roads.
According to RIDOT, since its inception last year, the technology prevented crashes where the systems are installed and a total of 47 wrong-way...
May 03, 2016
The new Tappan Zee Bridge project in New York is earning high marks for its low injury rate. Constructors officials from the site said Monday the total recordable incident rate for the nearly $4 billion project is 0.63 percent per 100 employees, more than five times lower than the 3.5 percent...
April 29, 2016
Deployment and removal is easier, faster, safer with CRIB Cargo Carrier.
Distracted driving crashes are a prime factor in traffic fatalities and injuries. The National Highway Transportation Safety Association (NHTSA) reports that 3,179 people were killed and 431,100 injured on U.S. roadways in 2014 because of distracted driving. Those figures are comparable to the two...
April 08, 2016
Among the public trusts that touch the lives of pretty much every American, by either circumstance or necessity, the highway and road infrastructure system is arguably the most crucial.
Its maintenance is therefore of the utmost importance to each state-level department of transportation. As such...
April 08, 2016
The transportation systems for highways and arterials in the U.S. have advanced from a collection of independently operating devices to highly interconnected, far-reaching and integrated systems.
These integrated systems require a reliable communication network that spans a broad geographical...
April 08, 2016
If you are caught in the middle of this sandstorm, don’t even think about blinking your eyes. One second is all a hacker needs to penetrate a firewall and drop a load of Armageddon on a department of transportation (DOT).
“At any given moment there are about 20,000 attacks [happening] on the...
March 29, 2016
Small, localized channels of blowing dust are a consistent and dangerous problem for Arizona drivers. Resulting in obscured visibility, such channels played a role in a 19-car pileup that caused three deaths on I-10 near Picacho Peak on Oct. 29, 2013.
In effort to address this concern,...
March 24, 2016
The only road leading to Alaska’s North Slope oil fields is at risk of severe flooding during the coming spring thaw. Climate experts believe the conditions will be similar to those that intermittently closed portions of the remote highway for more than two months in 2015.
March 17, 2016
BoardWalk includes approach plates at curb and street levels. Modular edge castings provide guidance for use of canes and other walking devices.
In our March 2014 Roads & Bridges Case of the Week, we featured Paul Peterson Co., Columbus, Ohio, and their efforts to help municipalities improve pedestrian safety in sidewalk work zones.
In that case study, we relayed why Peterson Co. deployed SafetyWall ADA-Compliant Pedestrian...
March 16, 2016
The Minnesota Department of Transportation (MnDOT) is undertaking a statewide lighting conversion project and saving money while improving safety.
The project involves converting more than 28,500 roadway lights from traditional high-pressure sodium to LED or light emitting diode technology. The...
March 08, 2016
The Tennessee Department of Transportation (TDOT) selected five winning messages out of 3,000 entries to appear on the state’s overhead Dynamic Message Signs.
The top five messages include:
1. “Turn signals, the original instant messaging.”
2. “Get the cell off your phone and drive.”
February 17, 2016
“Smart-car-sized boulders” came tumbling down Glenwood Canyon in Colorado, closing down a 24-mile mountainous stretch of I-70 and forcing thousands of motorists to take a 146-mile detour.
The Colorado Department of Transportation (CDOT) first analyzed the canyon walls at the rockslide site and...
February 16, 2016
The National Highway Traffic Safety Administration (NHTSA) said early estimates show a 9.3% increase in U.S. traffic deaths for the first nine months of 2015, announcing it Feb. 5 as NHTSA held the first in a series of regional "safety summits" with a day-long event in Sacramento, Calif.
January 22, 2016
The Texas Department of Transportation (TxDOT) is installing a new bridge warning system along southbound lanes of I-35, between Airport Boulevard and Riverside Drive in the Austin area, to detect overheight trucks.
The $412,000 project was funded by the Federal Motor Carrier Safety...
January 04, 2016
We hope you never need a guardrail system, but if you do, you likely will need one badly.
In many states guardrail posts are made from pressure preservative-treated (PPT) timber. For example, the state of Washington has approximately 2 million guardrail posts in service, most of which are PPT...
January 04, 2016
Wrong-way driving crashes make up a very small percentage of total traffic accidents, but once they occur, they are generally fatal and pose significant safety concerns for freeways and limited-access highways.
These types of crashes typically occur at night, and causes may include confusing...
December 31, 2015
According to the Oregon Department of Transportation, the number of crashes on Highway 217—which stretches from Beaverton to Tigard, connecting drivers from Highway 26 south to I-5—has dropped significantly since new variable speed-limit signs and other electronic signs began operating more than a...
December 31, 2015
According to a press release issued by the California Department of Transportation (Caltrans), the agency will replace its current traffic data capturing equipment to better collect information and digital images on the state highway system, the funds for which will be provided by a grant from the...