News Stories

SFPD: No crash reports from 41st Street diverging diamond - KELOLAND 8/7/2024

August 30, 2024
SIOUX FALLS S.D. (KELO) — The diverging diamond on 41st Street is over a month old and the learning curve hasn’t resulted in any reported crashes, according to officals. The diverging diamond sought to eliminate the need for left-hand turning movements and to make it where you don’t have to cross through traffic any more. If officially completed at a ribbon cutting July 2. Drivers have been using the new diverging diamond at the intersection of Interstate 29 and 41st Street for over a month now....

One month later: How the diverging diamond on 41st Street is working - Dakota News Now 08/02/2024

August 05, 2024
SIOUX FALLS, S.D. (Dakota News Now) - It has now officially been one month since the completion of the diverging diamond that was supposed to improve the lives of residents by reducing travel time. We checked in with project organizers and travelers to see how things have been moving. “It’s by far probably the most heavily trafficked road, and prior to construction, traffic would back up,” said Kirk Henderson, Sioux Falls DOT engineering supervisor. The project was a collaborative effort with So...

SDDOT Diverging Diamond Interchange Project Earns 2024 Award - Construction Equipment 07/31/2024

July 31, 2024
The SDDOT DDI project in Rapid City won the 2024 America's Transportation Award for Best Use of Technology and Innovation. The project on Interstate 90 at exit 59 and North LaCrosse Street improves safety, addresses future travel needs, and enhances pedestrian access, boosting the economy of Rapid City. 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 ...

Bikers Ride with Caution Through Highway 385 During Construction - KOTA 7/26/2024

July 26, 2024
The Department of Transportation says prior to the rally, they will be taking extra precautions for travelers. “There will be things that we will have in place. There will be about a mile and a half of gravel, and we’re gonna treat that with a magnesium chloride which will hold down the dust, it will hold the gravel together a little bit better. So there are some precautions on that type of surface,” Region Operations Engineer Tom Horan said. WATCH THE FULL STORY HERE

Roundabouts, Diverging Diamonds & Speed Limits for Drivers - Keloland 7/26/2024

July 26, 2024
Roundabouts are all over Europe. Now, we are seeing more of them in KELOLAND. The simple rule is that drivers yield to the vehicles already in the roundabout, and they allow drivers to keep moving through the intersection. Traffic engineers say they reduce severe crashes by 80 percent. The newest addition to traffic management in KELOLAND is the diverging diamond. Lacrosse Street in Rapid City was the first. The 41st Street diverging diamond in Sioux Falls was the second, and the state has more...