Oklahoma State Highway 91
|Maintained by ODOT|
|Length:||13.58 mi (21.85 km)|
|West end:||SH 91 south of Cartwright|
|East end:||SH-78 in Achille|
SH-91 begins at Denison Dam at Lake Texoma, connecting to Texas State Highway 91 and heading north. Shortly after reaching the shore it turns east to run through Cartwright. It then has an interchange with US-69 / US-75 near Colbert. SH-91 then ends at SH-78 in Achille.
SH-91 was originally State Highway 75A, but was renumbered as a continuation of SH 91 in Texas.
|Lake Texoma–Red River||0.0||0.0||Denison Dam
SH 91 continues south into Texas
|Bryan||Colbert||5.5||8.9||US-69 / US-75||Diamond interchange with one loop ramp|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi
- Oklahoma Department of Transportation (2012-01-01). Control Section Maps: Bryan County (PDF) (Map) (2012–2013 ed.). Scale not given. Oklahoma City: Oklahoma Department of Transportation. Retrieved July 21, 2013.
- Stuve, Eric. "OK-91". OKHighways.com. Retrieved 2007-09-09.[self-published source]
- Google (July 21, 2013). "Oklahoma State Highway 91" (Map). Google Maps. Google. Retrieved July 21, 2013.