Diverging Diamond Interchange

Arizona Department of Transportation - Wed May 19, 2021

Crews Pour Concrete Deck On Houghton Road/I-10 Structure

Drivers southeast of downtown Tucson will see a major step forward in an interchange reconstruction project as crews pour the concrete bridge deck on the new Houghton Road structure at Interstate 10. The concrete work on the bridge comes as the Arizona Department of Transportation reaches the halfway point of a $24.4 million project to rebuild the interchange....

AASHTO Journal - Tue April 27, 2021

Diverging Diamond Interchange to Deliver Economic Benefits in Hancock County

A diverging diamond interchange (DDI) proposed by the Ohio Department of Transportation, the city of Findlay and the Hancock County Engineer's Office as part of the rehabilitation of the intersection of Interstate 75 and County Road 99 should deliver a range of economic benefits for the area – from greater safety and reduced traffic congestion to improved freight efficiency....

Eric Olson - CEG CONTRIBUTING EDITOR - Thu March 18, 2021

VIDEO: Diverging Diamond Interchange Begins to Shine in Tennessee

In the United States, the use of diverging diamond interchanges (DDI) is becoming increasingly popular among state transportation departments to improve the flow of vehicle traffic where busy non-freeways intersect with interstates and other freeways....

CEG - Tue March 02, 2021

Key Boca Raton, Fla., Overpass at I-95 Now Closed Until Summer 2022

The Clint Moore Road overpass at Interstate 95 closed March 8, eliminating a popular east-west route through Boca Raton, Fla. The bridge was shut down for construction in connection with express lanes on I-95, according to the Florida Department of Transportation (FDOT)....

Tennesee DOT - Wed January 13, 2021

Tennessee DOT Awards Contract for New I-65 Project in Spring Hill

A design-build contract valued at $54.3 million has been awarded to Nashville's Bell & Associates to construct the new Interstate 65 and Buckner Road interchange in Spring Hill, Tenn. The Tennessee Department of Transportation (TDOT) did so with the expectation that the project would be completed by May 2023....

Irwin Rapoport – CEG Correspondent - Thu November 12, 2020

DDI Construction at Camp Creek Parkway, I-285 in Fulton County

CMES Inc. constructed its first diverging diamond interchange (DDI) as part of the Georgia Department of Transportation's $13 million Camp Creek Parkway (SR 6) project at I-285 in the city of East Point (Fulton County), an initiative that began on July 6, 2018, to help reduce congestion and improve safety for motorists....

AZDOT - Wed November 04, 2020

Crews Make Headway on Houghton Road Replacement Project

An entirely new kind of traffic interchange for southern Arizona will start to take shape. Local construction crews, along with the Arizona Department of Transportation, have been working on a project to improve access to Interstate 10 at Houghton Road....

Irwin Rapoport – CEG Correspondent - Thu October 15, 2020

CMES Inc. Constructs Diamond Urban Interchange in Bethlehem

CMES Inc. crews are scheduled to complete the Georgia Department of Transportation's (GDOT) $26.4 million project in Bethlehem to construct a full diamond urban interchange providing access to and from SR 316 to the crossroad SR 81, on Oct....

MovingHenryForward.org - Mon August 03, 2020

GDOT Awards Contract for Diverging Diamond Interchange in McDonough

A project first proposed in 2015 is going to construction after the Georgia Department of Transportation (GDOT) awarded a contract July 31 for the installation of a diverging diamond interchange (DDI) at I-75 and State Route 20 in the Henry County town of McDonough....

Mark Thomas Construction - Mon July 27, 2020

First Ever Diverging Diamond Interchange in California

Construction of the SR 120/Union Road Interchange takes place in the city of Manteca, which is is the first ever Diverging Diamond Interchange (DDI) in California. ...