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Aviation
About Office of Aeronautics Services
Office of Aeronautics Services
Airport Conference
Aerospace Education
Airport Information
Links
Aviation Systems Plan
Bridges
About Bridges
Design & Plans
Historical Bridges
Inventory & Inspection
Reference Information
Highways
About Highways
Access Management
Data Analysis
Geotechnical
Highway Classification
Highway Safety
Traffic Data
Traffic Operations
Public Transit
General Information / Notices
Procurement
Provider Network
Rural Transit
Specialized Transit
Urban Transit Planning Program Units
Transit Reporting
Forms & Publications
Railroads
About Railroads
Current Rail System
Highway Rail Safety
Operation Lifesaver
Rail Carriers
State Rail Plan
Doing Business
Certification & Accreditation
About Certification & Accreditation
Approved Products
Manuals & Documents
Welding Certifications
Training
Contractors
Bid Letting Information
Concrete Pipe Release
Contractors/Suppliers
Prequalified Contractors
CMS Web Reports
DBE
Fuel Price Index
Labor Compliance
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Certified Payrolls - let after 6/5/19
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Materials
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Subcontract Requirements
Forms & Documents
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Downloadable Files
Manuals
News & Updates
Right of Way / Relocation Assistance
Standard Bid Items
Standard Plates
Surveyors
County Bench Mark Map
Utility Coordination
Environmental
About Environmental
Agreements
Endangered Species
Environmental Assessments
Forms
Stormwater
Wetland Mitigation
Local Governments
About Local Governments
Bridge Improvement Grants
City and County Contacts
City/County Fund Balances
Emergency Relief (ER)
Federal Bridge Program
Forms & Documents
Secure Accounts Billing
Transportation Economic Development Grants
Urban Systems
Projects & Studies
Planning
Freight Plan
Long Range Plan
Draft Long Range Plan 2045
Metropolitan Planning Organization
Non-state Public Road Inventory
Pavement Condition Monitoring
Pavement Management
Statewide Transportation Improvement Program – STIP
Tentative Statewide Transportation Improvement Program – STIP
Studies
Special Studies
SPR
I-90 Exit 46 (Elk Creek Road) Interchange Modification Study
U.S. 385 Roadway Improvement Study
SD 100 Corridor Preservation Project
I-29 Exit 77 (41st Street) Crossroad Corridor Study
I-190 Corridor / Silver Street Interchange Study in Rapid City
Maple/Park Street Corridor Study in Minnehaha County
Construction Projects
Public Meetings
SD 52 Reconstruction between Highways 37 & 50
I-90 LaCrosse Street DDI Project
U.S. 83 from White River to South of Murdo
I-229/26th St Reconstruction
Watertown Area Projects
Pierre Area Projects
SDDOT Innovation
Diverging Diamond Interchange (DDI)
Programs & Services
Adopt-A-Highway
Civil Rights
Americans with Disabilities Act (ADA)
Civil Rights Program
Equal Employment Opportunity (EEO)
On-the-Job Training (OJT)
Title VI
Tribal Relations (TERO)
Outdoor Business Signing
About Outdoor Business Signing
Billboards
Logos
TODS
Illegal Signage
Programs
Adopt-A-Highway
Memorials on State Highways (THINK signs)
Audits
Property Sales
Reprographics
Research
Scenic Byways
SDDOT TRAC Program
Transportation Alternatives
Travelers
Travelers
Bicycle/Pedestrian
Rest Area/Ports of Entry
Road Construction/Travel Conditions
Spring Load Restrictions
Truckers
Inside SDDOT
About SDDOT
Mission & Vision
Organizational Chart
Divisions
Transportation Commission
Aeronautics Commission
Railroad Board and Railroad Authority
SD Administrative Rules
SD Codified Law
SDDOT Strategic Plan
Region & Area Offices
Aberdeen
Mitchell
Pierre
Rapid City
Region/Area/Maintenance Unit Map
Forms & Publications
Brochures
Forms
Manuals
Maps
CADD Mapping
GIS
Newsletters
Connecting the DOTs - December 2020
Connecting the DOTs - April 2021
Reports
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Join One of Our Contact Lists
Videos
Press Releases
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New Stories
Of Interest
Other State DOTs
SDDOT Snowplow Naming Contest
Work Zone Awareness Week
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