56th Roundabouts King and Central logo

November 18, 2022

Construction at the intersection of Central Avenue and 56th Street West is nearly complete. A one-day closure of the roundabout to complete the final epoxy striping is anticipated when weather allows.

The King Avenue and 56th Street West roundabout is also nearly complete. A two-day closure is anticipated for the final epoxy striping when weather allows.

Please continue to use caution when driving through the intersection as team members may still be working near the roadway.

October 26, 2022

Construction at the intersection of Central Avenue and 56th Street West is nearly complete. A one-day closure of the roundabout is anticipated in mid-November while final epoxy striping is completed.

The King Avenue and 56th Street West roundabout will be briefly closed to complete the epoxy striping as well. This is anticipated to require a two-day closure in mid-November.

Please continue to use caution when driving through the intersection as team members may still be working near the roadway.

August 24, 2022

Construction at the intersection of Central Avenue and 56th Street West is nearly complete – the final remaining work item is to seed the grass, which will be done this fall.

Construction at the intersection of King Avenue and 56th Street West began in July. To build the new roundabout, a full closure of the intersection is in place, and is anticipated to be active through early October. Please plan for alternative routes during this time. The map indicates where planned closures will be placed during that time.

August 3, 2022

Construction at the intersection of King Avenue and 56th Street West began with partial closures of the intersection. A full closure of the intersection is anticipated to be active from early August through early October. Please plan for alternative routes during this time. The map indicates where planned closures will be placed during that time.

July 25, 2022

Work on the Montana Department of Transportation’s 56th Roundabouts: King and Central project is resuming after construction crews from Riverside Contracting, Inc. were temporarily diverted to repair efforts on roads and bridges recently damaged by floodwater.

Construction at the intersection of King Avenue and 56th Street West will begin on July 25 with partial closures alternating between each leg of the intersection and a full closure, anticipated to last approximately 30 days, will begin in mid-August.

The new roundabout at the intersection of Central Avenue and 56th Street West is nearly complete and is open to the traveling public. Some remaining work to be done on this intersection incudes the installation of lighting, road signs, fencing, roadway striping, and grass seed.

June 21, 2022

Work is pausing temporarily to allow construction crews from Riverside Contracting, Inc. to respond to roads and bridges recently damaged by floodwater. To prepare the site of the planned new roundabout at King Avenue and 56th Street West for this temporary pause, the gravel-filled sections of roadway will be patched to improve the travel lanes for drivers. This asphalt patchwork will occur Wednesday and Thursday of this week.

The new roundabout at the intersection of Central Avenue and 56th Street West is nearly complete and is open to the traveling public. Some remaining work to be done on this intersection incudes the installation of lighting, road signs, fencing, roadway striping, and grass seed.

June 15, 2022

The new roundabout at the intersection of Central Avenue and 56th Street West is now open! The intersection was temporarily closed to allow for the construction of the new roundabout. Some remaining work to be done on this intersection incudes the installation of lighting, road signs, fencing, roadway striping, and grass seed.

The Riverside Contracting, Inc. team will now be moving on to constructing the new roundabout at King Avenue and 56th Street West. This work will also require traffic control to guide drivers through the area, while allowing workers space to construct the new facilities.

May 16, 2022

Construction of the new roundabout at 56th Street West and Central Avenue will require a full closure of the intersection at Central Avenue and 56th Street West beginning May 2 that will be in place for approximately one month. Drivers who travel through this intersection should plan on alternate routes during this time.

April 29, 2022

Workers are currently laying irrigation pipe under the roadway. This work requires temporary closures of the impacted section of road. An on-site detour is currently in use on the south leg of the Central/56th intersection.

Please drive safely and be conscious of safety through all construction zones. As you travel through the active work zone, please slow down, follow the posted speed limit and be on the look-out for construction workers.