Tennessee Department of Transportation & WKRN-TV - Tue June 10, 2025
New DDI in Nashville Part of Major Interchange Rebuild at I-40, Donelson Pike
The Tennessee Department of Transportation (TDOT) is wrapping up a major interchange project that has been in the works for a few years. Officials with the state agency expect these upgrades to relieve much of the heavy traffic on Interstate 40 near Nashville International Airport (BNA)....
Colorado Department of Transportation - Mon November 25, 2024
CDOT Kicks Off Interstate 25 Interchange Project in Pueblo
The Colorado Department of Transportation, in partnership with SEMA Construction of Centennial, Colo., began construction of the new Interstate 25 and U.S. Highway 50B interchange on Nov. 18, 2024. The $114 million project is in Pueblo on I-25 from mile point 99.7 to MP 101.4 and on U.S....
Cindy Riley – CEG Correspondent - Wed October 02, 2024
WW Clyde Constructs Diverging Diamond Interchange in Colorado
To enhance safety and improve traffic flow, the Colorado Department of Transportation (CDOT) is constructing a diverging diamond interchange (DDI) at the intersection of Airport Road and Powers Boulevard (Colorado Highway 21 / U.S....
Brenda Ruggiero – CEG Correspondent - Mon September 09, 2024
MD 4 Project to Add Diamond Interchange
The Maryland Department of Transportation State Highway Administration (MD SHA) continues work on a $283 million project to improve safety and mobility at the interchange of MD 4 (Pennsylvania Avenue) and MD 337 (Suitland Parkway) in the Upper Marlboro area of Prince George's County....
CDOT - Tue September 03, 2024
DDI Intersection Project Starts in Colorado Springs
The Colorado Department of Transportation (CDOT) began a $46 million effort in late July to build a more efficient intersection in Colorado Springs at the junction of Colorado Highway 21/South Powers Boulevard and Airport Road, the state agency announced....
South Dakota Department of Transportation - Wed July 31, 2024
SDDOT Diverging Diamond Interchange Project Earns 2024 Award
The South Dakota Department of Transportation's (SDDOT) Diverging Diamond Interchange (DDI) located on Interstate 90 at exit 59 and North LaCrosse Street in Rapid City was recently honored as a winner within the Western Association of State Transportation Officials (WASHTO) region for the 2024 America's Transportation Awards competition....
CEG - Wed July 24, 2024
AECON Installs 50-Ton Girders for New Washington Bridge
Construction crews from design-builder AECON are progressing on the Washington Department of Transportation's (WSDOT) nearly $200 million I-90 — SR 18 Interchange Improvements project. Photo courtesy of WSDOTAs part of the overall project, the construction of a new bridge along SR 18 near Snoqualmie is a major part of the upgrades....
ODOT - Tue June 18, 2024
Miller Brothers Wins Bid for County Road 99 Interchange
Miller Brothers Construction of Archbold is the apparent, successful low bidder for the contract to construct a diverging diamond interchange (DDI) at County Road 99 and Interstate 75, in Findlay. The successful bid was $30.8 million....
Cindy Riley – CEG Correspondent - Tue September 26, 2023
Growth Spurs SDDOT's Sioux Falls Project
A $34.3 million reconstruction project on Benson Road and the Interstate 229 interchange is unfolding in Sioux Falls, S.D. The undertaking, a combined effort by the South Dakota Department of Transportation (SDDOT) and the city of Sioux Falls, includes construction of a diverging diamond interchange (DDI), structure development work and road widening....
280 Living - Wed July 12, 2023
ALDOT Plans to Build New $120M Interstate Exit in Hoover, South of Birmingham
Construction of the new Exit 9 on Interstate 459 in Hoover, Ala., is scheduled to begin in 2025 and be completed in 2027, Hoover Assistant City Engineer Blake Miller told the local chamber of commerce recently....
