Arizona Laying the Groundwork for the Future Interstate 11
PHOENIX – After investing more than half a billion dollars over the past 20 years to turn the primary route between Phoenix and Las Vegas into a modern four-lane divided highway, the Arizona Department of Transportation has committed another $155 million for improvements to US 93 over the next five years. All of this is with an eye toward an Interstate 11 between the two largest cities in the country not directly connected by an interstate freeway and spanning the state from the border with M...
Study Validates Crash-Reduction Benefit of Wildlife Highway Crossing Structures
A study conducted by scientists from the Wildlife Conservation Society and Oregon State University using Wyoming Department of Transportation crash data confirmed that efforts to protect migrating pronghorn deer by installing eight “crossing structures” in combination with 8-foot-high roadway fencing along a nearly 12.5-mile long stretch of U.S. Highway 191 in western Wyoming are reducing collisions between motor vehicles and wildlife. This study – entitled Highways, crossing structures and r...
NSC Data Indicates Traffic Fatalities are ‘Leveling Off’
Preliminary estimates from the National Safety Council indicate the recent upward trend in motor vehicle deaths is leveling off, with the number of fatalities in the first six months of 2018 dipping slightly – less than 0.5 percent – compared to the first six months of 2017 even as vehicle miles traveled continues to increase. The group said on Aug. 22 that approximately 18,720 people died on U.S. roadways between January and June this year, compared to NSC’s revised estimate of 18,770 during...
CDOT and Panasonic Take First Steps to Turn I-70 into Connected Roadway
STATEWIDE—The Colorado Department of Transportation (CDOT) and its partner Panasonic Corporation of North America are building on a successful pilot program to begin real-world deployment of the most advanced vehicle-to-everything (V2X) environment in the country. This partnership represents the largest shared investment in V2X technology in the United States. During the pilot deployment that was recently completed, CDOT and Panasonic successfully installed and tested five V2X roadside units...
CDOT Announces Next Steps for I-25 South Gap Project
Denver, CO – Today, the Colorado Department of Transportation (CDOT) and the Federal Highway Administration (FHWA) signed the official Finding of No Significant Impact (FONSI) on the I-25 South Gap Project. The project will significantly improve the 18 mile section of I-25 between Monument and Castle Rock. “Signing the FONSI is significant,” said CDOT Executive Director Michael Lewis. “This is a necessary step before we can break ground on one of the most critical transportation projects i...
MaineDOT Releases I-295 Corridor Study
Augusta – The Maine Department of Transportation has released the Interstate 295 Recommendation Report for the Scarborough to Brunswick corridor. As traffic volumes have grown on I-295, congestion, incidents and the number of crashes have increased. Also, the reliability of travel times on the corridor has decreased. The recommendations in this report are grouped into three categories: Near-Term Improvements: These would be cost-effective actions that can have an immediate benefit to sa...
Hawaii DOT Expects Kuhio Highway Repairs to top $80M
The Hawaii Department of Transportation issued an emergency contract on June 19 for additional flood repair work on the Kuhio Highway Emergency aimed at stabilizing the slope above the highway, which is also known as Route 560, between Waikoko and Wainiha and various downslope sites as well. The agency also issued a separate contract to update the carrying capacity of Waikoko, Waipa, and Waioli bridges – known collectively as the "3W bridges" – to help expedite the Kuhio Highway recovery effo...
$6.5M Apache Trail Road-Improvement Project Should be Done by End of Summer
A road improvement project along 17 miles of State Route 88 east of Phoenix is expected to be completed by the end of summer, state officials say. The Arizona Department of Transportation said on its website that the $6.5 million project focuses on roads starting “3 miles east of Apache Junction and ending 7 miles east of Tortilla Flat (milepost 203 to 220),” within the Tonto National Forest. SR 88, also known as Apache Trail, is a scenic, winding road that leads to Canyon Lake and other r...
Measuring the Retroreflectivity of Road Markings
In 2017, Estonian Road Administration (ERA) carried out a pilot project measuring the retroreflectivity of road markings on all main state roads, altogether 3721.6 kilometres, in Estonia. Retroreflectivity of a material is one technology used to enhance the readability and perception of information displayed in low-light and night-time conditions. The retroreflectivity of road markings provides visual guidance to assist driver’s awareness of lanes and road edges. It grants an effective tra...
Hawaii DOT Works to Repair Highway Wrecked by Flooding
The Hawaii Department of Transportation said it is joining forces with other state, county and federal agencies to clear and repair sections of the Kuhio Highway between Lumahai and Wainiha on Kauai Island's North Shore after what was reported as "historic rainfall" triggered flooding and mudslides. The well-traveled highway is a two-lane road with a number of one-lane bridges, so that slides can easily halt traffic in each direction. It is also the only road serving some areas. The Nation...
Video: Crashes Drop Measurably After Rural Road Safety Improvement Project on US 521 in Lancaster County
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June Issue 2026
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