Diverging Diamond Interchange

TxDOT - Tue August 13, 2019

TxDOT Breaks Ground on Innovative Intersection Project

Another diverging diamond intersection (DDI) is coming to Travis County, following a groundbreaking ceremony on July 24 for the I-35 at Parmer Lane project. The Texas Department of Transportation was joined by Texas Transportation Commission Chairman J....

Cindy Riley – CEG Correspondent - Tue May 21, 2019

ADOT Oversees $50M Project to Improve Interchanges

Described as a project that will help move people and products for decades to come, a $50 million undertaking to reconstruct two busy interchanges along Interstate 17 in north Phoenix, Ariz., is under way....

Lori Tobias – CEG Correspondent - Wed March 20, 2019

Crews Bring Michigan's Old I-75 Into 21st Century

Work is set to begin in March on Segment 2 of the $1.6 billion I-75 modernization project in Oakland County, Mich., part of the Detroit metropolitan area. The roadway is the most heavily used commuter route in the county, with 174,000 vehicles traveling it daily....

Cindy Riley – CEG Correspondent - Tue February 12, 2019

Redwood Road Project Is Among UDOT's 2019 Priorities

Considered one of the top ten construction priorities for the Utah Department of Transportation (UDOT) in 2018, the I-215 Redwood Road project requires crews to build a new bridge east of the existing Redwood Road bridge over I-215....

Tennesee DOT - Mon October 22, 2018

Construction Begins on Nashville Area's First Diverging Diamond Interchange

Construction is under way on an interchange improvement project on Interstate 24 at Hickory Hollow Parkway in Nashville. The current interchange at Exit 60 is a partial-access facility, which was constructed to accommodate the Hickory Hollow Mall area in the 1970s....

Tue April 10, 2018

DDI Work Begins

Beginning Feb. 22, the Utah Department of Transportation (UDOT) began a major project to improve operations at I-215 and Redwood Road in North Salt Lake City by building a Diverging Diamond Interchange (DDI)....

Cindy Riley - Mon November 06, 2017

First Diverging Diamond Interchange Comes to Nassau City

Construction of the area's first Diverging Diamond Interchange (DDI) under I-95 at A1A Exit 373 is moving at a steady pace in Florida's Nassau County. The more than $40 million project consists of reconstruction and widening of 2.2 miles of A1A from west of I-95 to west of Still Quarters Road, widening of ramps at Interstate 95/A1A exit 373 to Yulee/Callahan/Amelia Island/Fernandina Beach and the reconfiguration of the interchange under Interstate 95....

Mon October 16, 2017

I-66/Route 15 Diverging-Diamond Interchange Complete

The Virginia Department of Transportation, the town of Haymarket and Prince William County celebrated the completion of Northern Virginia's first diverging-diamond interchange (DDI) on Aug. 22 at I-66 and Route 15....