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SDDOT / Project Development / Planning / Special Studies
REQUESTS FOR PROPOSALS
Spearfish Area Transportation Study
WEBSITE LINKS TO ONGOING STUDIES
US14A (Colorado Boulevard) through Spearfish
US 16 / US16B Intersection Study
I-29 Corridor: Exit 73 (Tea) to Exit 77 (41st St.)
South Dakota 100 Corridor Preservation Project
I-29/I-229 & I-90 / I-229 Design Options for Interchange Evaluation and Operations Analysis Study
US16 (Mount Rushmore Road/8th Street) Corridor Study through Rapid City
FINAL REPORTS OF COMPLETED STUDIES
(Adobe PDF Format)
Statewide Studies
SDDOT Long Range Plan
Expressway Feasibility Studies
Eastern Dakota and Pierre to I-90 Expressway Executive Summary
Eastern Dakota and Pierre to I-90 Expressway Feasibility Complete Study
Heartland Expressway Complete Study
Heartland Expressway Executive Summary
Interchange Justification Studies
I-29, Exit 73 (Tea)
I-29, Exit 79 (SD42/12th Street; Sioux Falls)
I-29, Exit 80 (Madison Street, Sioux Falls)
I-29, Exit 82 (Benson Road, Sioux Falls)
I-29, Exit 83 (SD38/60th Street North; Sioux Falls)
I-90, Exit 32 (Junction Avenue; Sturgis)
I-90, Exit 51 (SD79/Sturgis Road; Black Hawk)
I-90, Exit 60 (US16 B/North Street; Rapid City)
I-90, Exit 61 (SD437/Elk Vale Road; Rapid City)
I-90 Exit 395 (Marion Road, Sioux Falls)
I-90 Exit 396/I-29 Exit 84 (System Interchange; Sioux Falls)
Corridor Studies
Interstate Corridor Study Phase I Final Report
Interstate Corridor Study Phase II Final Report - Complete Document
Interstate Corridor Study Phase II Final Report - East River Portion
Interstate Corridor Study Phase II Final Report - West River Portion
US16 Corridor Study
West 12th Street Transportation Study (SD42) (17 MG)
SD42 Corridor Study (MRM373 to Iowa state line) (35 MG)
Eglin Street Corridor Study (SD230) (9 MG)
I-90 Black Hawk-Sturgis Corridor Preservation Study (51 MG)
SD11/PreDesign Report (Harrisburg Corner to 57th St. & SD42 to Aspen Blvd.)
Eastside Corridor Study (SD11)
Area Studies
Watertown Area Transportation Study
Deadwood Pedestrian Circulation & Enhancement Study
Meade County Transportation Plan
Access Plans
SD11/Splitrock Boulevard Access Plan (Brandon)
US14 B/Garfield Avenue Access Plan (Pierre)
SD17/SD44 Access Plan (Lincoln & Minnehaha Counties)
Studies without a link are available upon request from Jerry Ortbahn by
phone: (605) 773-3281 or email; or Steve Gramm at (605) 773-6641 or email.
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