SD DOT   I-90 East to West
City Description Cam1 Cam2 Cam3 Cam4
Sioux Falls East on I-90 @ MP 402 East West Road Surface  
Sioux Falls West on I-90 @ MP 394.4 East West Road Surface  
Montrose 3 miles west of Humboldt on I-90 @ MP 376.0 East South West  
Alexandria I-90 @ MP 348 East West road surface  
Mitchell East on I-90 @ MP 333.8 East West Road Surface  
Plankinton I-90 @ MP 304 East West road surface  
Kimball South on I-90 @ MP 284 East Northeast West  
Chamberlain East East on I-90 @ MP 268 East West Road Surface  
Chamberlain West West on I-90 @ MP 258.8 East West Road Surface  
Reliance Southeast on I-90 @ MP 251 East North West  
Vivian US 83 US 83 MP 97 North South    
Murdo Murdo-West on I-90 @ MP 189.5 East West Road Surface  
Belvidere 9 miles east on I-90 @ MP 172.5 East Southeast West  
Wall East on I-90 @ MP 111.5 East West road surface  
Wall West on I-90 @ MP 108.4 East West road surface  
Wasta West on I-90 @ MP 94.6 East North West  
New Underwood 5 miles west on I-90 @ MP 73 East West road surface  
Ellsworth 4 miles east on I-90 @ MP 65.2 East South West  
Rapid City East on US-16B/Elk Vale Rd south of I-90 exit 61 North South road surface  
Tilford I-90 @ MP 38 East West road surface  
Sturgis East on I-90 @ MP 35.6 East West road surface  
Sturgis West on I-90 @ MP 28.6 East West road surface  
Spearfish West on I-90 @ MP 11 East West road surface