Construction is estimated to begin in 2021 and to be completed in 2024.
The preliminary design process started on October 29, 2013. During this phase of the project, engineers, surveyors, scientists and other specialists have been gathering data, conducting surveys and analyzing project information. This process will enable the project team to evaluate alternative traffic measures, assess potential improvement opportunities and identify project impacts for permitting. Information collected included: traffic data, location of roadway features, area topography, existing structures and utilities, environmental resources, wetlands, and storm drainage features. The surveys will also facilitate roadway design and future construction plans. The project team will remain in the preliminary design phase until the design alternatives that were presented and discussed at the Public Meetings in 2014 can be fully vetted by and agreed upon by local, state and federal governing agencies. Our goal is to complete the assessment of the design alternatives in 2016 and hold a public hearing to present the preferred alternative in 2017.
The Palmetto Commerce Parkway Phase III (PCP3) Project was initiated by Charleston County Government to provide an improved quality of life for citizens through better traffic operations and to enhance the economic development competitiveness for business in the Charleston region. The purpose of the parkway is to develop a connection between Ladson Road and Aviation Avenue in order to relieve major traffic congestion along parallel roads such as Dorchester Road, Rivers Avenue and I-26. The overall parkway and related improvements will result in more than 10 miles of new and improved roadway in an area that is growing with business and transportation needs.
The PCP3 Project will provide the last segment in a new connector parkway from Ladson Road to Aviation Ave near I-26, and the Joint Base Charleston. It will relieve traffic congestion by providing a new 3-mile connection from Ashley Phosphate Road to Aviation Avenue, as well as improve approximately 2 miles of South Aviation Avenue. The initial concept for the PCP3 Project is to build more than 3 miles of a new four-lane road, while improving an additional 2 miles of the road, to provide better distribution of traffic in the area north of the I-26/ I-526 Interchange.
The three-phased Palmetto Commerce Parkway has progressed since its inception in 2006. Phase I was completed in 2007 and Phase II in 2011, as detailed below:
Phase I was a widening and expansion project that added two lanes to the existing two-lane parkway and extended all four lanes 1,500 feet in length. Phase I construction started along the existing parkway and included these as well as other improvements:
Phase II extended four lanes of all new roadway beginning where Phase I ended and continuing to Ashley Phosphate Road at North Spartan Road. Phase II included:
Phase III picked up where Phase II ended, which is at Ashley Phosphate Road in North Charleston. The third phase is expected to be completed in late 2020. When complete, the parkway is expected to improve safety and serve as a direct route for workers who are traveling to various facilities in and nearby the Palmetto Commerce Park.
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