Tag: diverging diamond interchange

Roadbuilding

Widening of U.S. 95, diverging diamond interchange completed in Las Vegas

Six miles of U.S. 95 freeway in Las Vegas has been widened from four lanes to six and features a diverging diamond interchange to improve safety and congestion.

June 24, 2019

Roadbuilding

Diverging diamond interchange planned to ease congestion near Atlanta airport

Atlanta's newest diverging diamond interchange is expected to ease congestion near Hartsfield-Jackson International Airport. Get the details on Equipment World.

August 27, 2018

Roadbuilding

U.S. 95 in Las Vegas to be widened under $65 million contract

Widening of a busy corridor in Las Vegas will begin in January now that the Nevada Department of Transportation has awarded a $65 million contract. U.S. 95 will be widened from four lanes to six for 6 miles between Durango Drive and Kyle Canyon Road. “This project will relieve congestion, improve efficiency and enhance safety […]

November 16, 2017

Roadbuilding

PennDOT completes state’s first diverging diamond interchange

The Pennsylvania Department of Transportation has completed the state’s first diverging diamond interchange located at the junction of Interstate 70 and Route 19. “Our transportation mission is to keep people and goods moving safety and efficiently, and this project brings some of the latest industry improvements home for Pennsylvanians,” says Gov. Tom Wolf said. “This […]

August 22, 2017

Roadbuilding

Illinois Tollway to open new DDI at Elmhurst Road on Jane Addams Memorial Tollway

The Illinois Tollway plans to shift traffic on Elmhurst Road crossing over the Jane Addams Memorial Tollway (Interstate 90) to a new diverging diamond interchange (DDI) configuration this week. After the morning rush hour on June 16, the Tollway says lane closures and traffic stops will be scheduled to direct traffic crossing I-90 on the […]

June 12, 2017

Roadbuilding

Georgia DOT to open first diverging diamond interchange outside of metro Atlanta area

The Georgia Department of Transportation plans to open the state’s first diverging diamond interchange (DDI) outside of metropolitan Atlanta on Jan. 15 at the intersection of I-95 and SR 21 at Exit 109. DDIs, one of a few new alternative interchange designs being implemented in the U.S., eliminate left turns that have to clear opposing […]

January 13, 2017

Roadbuilding

Delaware DOT opens state’s first diverging diamond interchange

The Delaware Department of Transportation (DelDOT) has opened the state’s first diverging diamond interchange (DDI) at SR 1 and Route 72 after construction began in May. DDIs eliminate left turns that have to clear opposing traffic, a design that is useful in high-traffic areas. They can cut down on congestion, improve safety, and move traffic […]

December 9, 2016

Roadbuilding

U.S. highways are shifting to alternative interchange designs

New designs, such as diverging diamonds, improve traffic flow, are quicker to construct and can cost less than traditional interchanges. U.S. interchanges are undergoing a design shift; from the stale, split-phase, head-to-head configuration to high-volume, semi-continuous designs such as diverging diamond interchanges (DDI) and roundabouts. Part of the impetus for this is the need to accommodate […]

October 14, 2016

Roadbuilding

Delaware DOT begins construction on state’s first diverging diamond interchange

The Delaware Department of Transportation (DelDOT) has begun construction on the state’s first diverging diamond interchange (DDI) located at the junction of SR 1 and Route 72. Diamond Materials of Wilmington and JMT Construction of Newark are working on the $7 million design-build project. DDIs eliminate left turns that have to clear opposing traffic, a […]

May 16, 2016

Roadbuilding

North Carolina DOT to open new diverging diamond interchange April 4

The North Carolina Department of Transportation is set to open on April 4 the new diverging diamond interchange (DDI) on N.C. 133/Village Road in Brunswick County as part of the Leland Causeway Bridge Project. DDIs eliminate left turns that have to clear opposing traffic, a design that is useful in high-traffic areas. They can cut […]

April 1, 2016

Roadbuilding

Pedestrian-friendly diverging diamond interchange, Indiana’s first, honored with engineering award

The American Council of Engineering Companies of Indiana (ACEC Indiana) awarded Indiana’s first diverging diamond interchange (DDI) with its Grand Project Award during the association’s recent 2016 Engineering Excellence Awards. Engineering excellence awards go to “outstanding engineering achievements that demonstrate a high degree of merit and ingenuity,” and are judged on several factors including technical […]

March 8, 2016

Roadbuilding

Colorado’s second diverging diamond interchange opens at McCaslin Boulevard bridge at U.S. 36

The second diverging diamond interchange (DDI) in Colorado has opened at the McClasin Boulevard bridge over U.S. 35 in the Louisville/Superior area. A ribbon-cutting ceremony held Jan. 7 featured officials from the two municipalities, the U.S. 35 Express Lane Project team, the Colorado Department of Transportation (CDOT) and CDOT’s High Performance Transportation Enterprise (HPTE). “Opening […]

January 11, 2016