quick links

• Charleston County Transportation Projects
• Charleston County Resurfacing Projects
• Berkeley-Charleston-Dorchester Council of Governments (BCDCOG) Existing Plus Committed Projects
• SCDOT Programs and Projects

• Main Road Corridor (County website)
• Main Road Corridor Project Segment C:  see here and here
• Public Information Meeting Results:  2021
• 2045 Projected Maximum Peak Hour Volume to Capacity (v/c) Ratios by Study Area Segment – Main Road Corridor Segment C:  2020
• Main Road Segment A Stakeholders Meeting:  2019
• County Council's Approval Sheet for the Main Road Corridor Project:  2018
• 2016 Half-Cent Sales Tax Ordinance and Referendum:  2016
• Sea Island Greenway

• Kiawah Island Parkway Intersection and Corridor Study (2022)  

• Maybank Highway improvements (County Website)
• Pitchfork Layout
• Maybank Highway Traffic Operational & Queuing Analysis: 2015
• Maybank Highway Public Information Meeting:  2012
• Maybank Hwy Improvement Recommendations (Pitchforks):  2009
• Update to the Maybank Highway Widening Traffic Study;  2008 

• Mark Clark Extension (SCDOT website)
• Charleston County Projects, Mark Clark Expressway
• Intergovernmental Agreement for Charleston County Mark Clark Expressway Extension Project:  2019
• Mark Clark Expressway Financial Plan:  2018
• Mark Clark Expressway Extension Reevaluation:  2016
• A New Way to Work :2015
• Conditions for Approval:  2013
• Options for the Path Forward:  2012
• SCDOT and USC Release Survey Results on the I-526 Extension Project: 2012
• Mark Clark Expressway Draft Environmental Impact Statement (DEIS):  2010
• Mark Clark Community impact Assessment: 2006
• County Application to the State Transportation Infrastructure Bank for Funding:  2005
• Re-Routing Sought for Belt Freeway:  1969
• Inner Belt Freeway:  1967

• US 52 Corridor Study (BCDCOG)
• Highway 41 Corridor Improvements (County)
• Highway 41 Corridor Purpose and Need (County)
• Central Park Road and Riverland Drive Intersection Improvement (County)
• I-526 Lowcountry Corridor (SCDOT)
• I-526 Lowcountry Corridor WEST Purpose and Need (SCDOT)
• Rethink Folly Road (BCDCOG)
• Rethink Folly Road (City)

• Hurricane drill along SC coast Thursday will test lane-reversal plans (8 June 2022)
• Hurricane Evacuation Routes
• South Carolina Hurricane Evacuation Behavioral Study:  2011

 Charleston County

• Charleston County Transportation Committee, Transportation Plan:  2020
• Charleston County Road Funding

City of Charleston

• Charleston Citywide Transportation Plan: 2018

Berkeley-Charleston-Dorchester Council Of Governments (BCDCOG) (our region’s designated Metropolitan Planning Organization (MPO)

• Berkeley-Charleston-Dorchester Council Of Governments (BCDCOG) Charleston Area Transportation Study (CHATS)
• BCDCOG CHATS 2040 Long Range Transportation Plan (LRTP)
• BCDCOG CHATS LRTP Bicycle & Pedestrian Mobility

Traffic Counts

• SCDOT Historic Annual Average Daily Traffic (AADT) Data
• SCDOT Traffic Counts

Collisions

• SC Department of Public Safety Traffic Collision (SCDPS) Fact Books
• SCDPS Collision Dashboard
• SCDPC Fatalities Dashboard
• SCDPS GIS Mapping Applications

Plans

• SCDOT Strategic Plan
• SCDOT 10 Year Plan
• South Carolina Pedestrian and Bicycle Safety Action Plan:  2022

Funding

• SC Transportation Infrastructure Bank

• Citizens Guide to NEPA
• NEPA 101: Introduction to United States Environmental Policy
• 2021 Infrastructure Law

• City of Charleston:  Johns Island Community Greenways Plan (2010)
• City of Charleston:  Bike/Ped Presentation, (23 June 2021) 
• City of Charleston:  Bicycle & Pedestrian Planning

• BCD-COG:  LRTP-Bicycle-and-Ped (18 Dec 2019)

• Rational Roads:  Multi-Use Path, Maybank-Main-Bohicket  (Sep 2023)
• Rational Roads:  Multi-Use Path, Central Maybank (Oct 2023)

• Complete Streets
• SCDOT Adopts New "Complete Streets" Policy

• BCD Available Transit
• Lowcountry Rapid Transit 

•  Charleston Moves (encourages mobility by bicycle, foot and public transit )

• SCDOT Road Design Manual
• SCDOT Right of Way Acquisition Manuals
• SCDOT Access Management
• SCDOT Functional Road Class
• SCDOT Traffic Calming

• A Roadmap to Understanding Transportation in Your Community 
• Small Town and Rural Multimodal Networks
• The Wrong Way to Set Speed Limits (video)

• Traffic Calming Primer, US DOT FHA
• SCDOT Traffic Calming Guidelines (2019)

• Roundabout benefits
• Roundabouts and Rural Highways (dot.gov)
• Roundabouts:  An Informational Guide (National Cooperative Highway Research Program)
• Roundabouts spreading like Kudzu across South Carolina, despite some opposition (20 May 2017)
• Modern Roundabout Intersections: A New Traffic Intersection Technology, That Is Not Actually New Turbo Roundabouts
• Crash Reductions Following Installation of Roundabouts in the United States 
• Roundabout Database
• Roundabouts and Why They Work (video)
• Roundabouts Improving Safety in South Carolina (video)