Due to the increase in traffic volumes expected during the annual Sturgis Motorcycle Rally, the South Dakota Department of Transportation has activated temporary traffic signals at the following locations:
- Junction of U.S. 14A and U.S. 85
- Junction of S.D. 34/79 and Ft. Meade main entrance
- Junction of S.D. 34 and S.D. 79 east of Sturgis
- Junction of S.D. 34 and Ft. Meade Way
- Junction S.D. 44 and U.S. 385
- Junction U.S. 16 and U.S. 385
- S.D. 34/79 & 11th Street
- I-90 Exit 32 WB ramp
- I-90 Exit 55 EB ramp
- I-90 Exit 32 EB ramp
- S.D. 34/79 & Glencoe Drive
- S.D. 34/79 & Nellie Avenue
The traffic signals will remain in operation until Aug. 12.
Speed limits have also be reduced on the following highways through Sunday, Aug. 11.
- Interstate 90 speed limit will be reduced from 75 mph to 65 mph from west of Exit 55 (Deadwood Avenue) in Rapid City to west of Exit 30 (Lazelle Street) in Sturgis.
- Highway 34 speed limit will be reduced from 45 mph to 35 mph from Blanche Street in Sturgis east 3.8 miles (east of Buffalo Chip).
- Highway 79 speed limit will be reduced from 65 mph to 45 mph from the junction of Highway 34 north 1.75 miles (north of Iron Horse Campground).
The SDDOT is also using message boards and speed trailers at various locations and permanent dynamic message boards along the interstate to display messages regarding traffic conditions, fire conditions, accidents causing delays, extreme weather events and other messages as appropriate.