Transportation projects

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

• SCDOT Project Viewer
• SCDOT Pavement Improvements Program

• Main Road Corridor (County website)
• Main Road Corridor Project Segment A
• Main Road Corridor Project Segment C:  Alternatives 1 to 7
• Main Road Corridor Project Segment C:  Alternative 8

• 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
• SIB Grant of $40 Million for Segment A:  2020
• Main Road Segment A Stakeholders Meeting:  2019
• County Council's Approval Sheet for the Main Road Corridor Project:  2018
• 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:  2009
• Update to the Maybank Highway Widening Traffic Study;  2008 

• Mark Clark Extension (SCDOT website)
• Mark Clark Extension Map
• Segmenting into Two Phases
• Charleston County Projects, Mark Clark Expressway
• Mark Clark Expressway Financial Plan:  2018
• Mark Clark Expressway Extension Reevaluation:  2016
• Conditions for Approval:  2013
• 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

Sales Tax Referendum

• Joint Bond Review Committee (JBRC) Meeting Agenda:  Dec 2, 2024  [$57,746,269 spent to-date.]
• County Letter to SCDOT: Nov 19, 2024 [Requests SCDOT to continue.]
• SIB and SCDOT Letters:  Nov 7 and Nov 12, 2024 [As a result of the defeat of the sales tax referendum in the Nov election.]
• Charleston County's $75M approval clears way for DOT to buy homes in Mark Clark path:  Feb 1, 2023
• $75M, sales tax hike needed to fund the Mark Clark Extension:  Feb 1, 2023

Cost Escalation

• SCDOT Letter:  Dec 2, 2022 [$2.2 billion cost estimate, phase the program.]
• SCDOT Letter:  April 25, 2022 [$2.352 billion cost estimate.  Requested $150 million to proceed, with 50/50 match.]

State Infrastructure Bank (SIB) and the Intergovernmental Agreement (IGA)

• Intergovernmental Agreement for Charleston County Mark Clark Expressway Extension Project:  2019
• 10-Point Plan to Unwind 526:  2016
• Charleston County's Amended Application to the SIB:  2011 [Discusses County's matching funds.]
• County Application to the State Transportation Infrastructure Bank for Funding:  2005

Alternatives

• A New Way to Work :2015
• Options for the Path Forward:  2012

History

• 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)