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Service Changes

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If there is a detour along any CAT bus route, the bus will follow the detour. The operator will do his/her best to get back on the regular route and schedule as quickly as possible. If you usually get picked up in the middle of an ongoing construction project, we suggest that you wait at the beginning or end of the detour.

Make sure you have the most recent printing of the CAT map. Our newest version was revised as of January 2025.

Service interruptions and detours can also be found by calling 701.258.6817 and selecting option #5.

If a paratransit bus is being used on a fixed route, a color magnet specific to the route will be placed on the vehicle. You can also find this information on our Facebook page BismarckCATBus .

Route: no. 1 Black

Route: no. 1 Black

Changes to Service: TEMPORARY

9/11/25 @ 5:00PM - 9/13/25:
The pictured detour is in place.

9/11/25 - Until Further Notice:
Due to construction work, Black route will bypass the Capitol grounds, and will remain on State St to Divide Ave.

Route: no. 2 Blue

Route: no. 2 Blue

Changes to Service: TEMPORARY

6/2/25 - Until Further Notice:
Blue SB will turn west from 3rd St onto Front Ave, south onto 2nd St, west onto Bowen Ave. NB will follow the normal route.

6/2/25 - Until Further Notice:
Expect delays due to concrete pavement repairs on 3rd St between Bismarck Expy & Main Ave.

Route: no. 3 Green

Route: no. 3 Green

Changes to Service: TEMPORARY

6/2/25 - Until Further Notice:
Expect delays due to concrete pavement repairs on 3rd St between Bismarck Expy & Main Ave.

6/27/25 - Until Further Notice:
The pictured detour is in place on the UMary campus.

Route: no. 4 Red

Changes to Service: NONE

Route: no. 5 Orange

Changes to Service: NONE

Route: no. 6 Purple

Route: no. 6 Purple

Changes to Service: TEMPORARY

8/26/25 - Until Further Notice
The pictured detour is in place.

See below for a more detailed photo of the current detours.