DCTA Highway 78 Improvement Projects

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The purpose of the project is to improve safety conditions, increase traffic capacity, and improve traffic flow.


PHASE 1 - Completed

Total Length - 11.47 miles

Overview

From near S-18-167 (Sugarhill Road) in St. George to approximately 0.8 miles west of US 178, resurface and provide 4-foot paved shoulders and 6-foot grass shoulders.

Construct 3-lane section with curb & gutter on both sides and sidewalk on one side (resident side) through the Community of Dorchester.


PHASE 2

Total Length – 8.2 miles

Overview

From approximately 0.8 miles west of US-178 to approximately 0.5 miles west of SC-27 North, resurface and provide 4-foot paved and 6-foot grass shoulders. (Approximately 3.1 miles)

From approximately 0.5 miles west of SC-27 North to approximately 0.25 miles west of SC-173, widen from 2 to 5 lanes, and provide 4-foot paved and 6-foot grass shoulders. (Approximately 2.2 miles)

From approximately 0.25 miles west of SC-173 to approximately 0.7 miles east of  S-18-630 (Campbell Thicket Road) construct a 3-lane section with 4-foot paved and 6-foot grass shoulders. (Approximately 1.6 miles)

From approximately 0.7 miles east of S-18-630 (Campbell Thicket Road) to approximately 0.8 miles east of S-18-630 (Campbell Thicket Road) resurface and provide 4-foot paved and 6-foot grass shoulders. (Approximately 0.1 miles)

Realign intersection with US 178, providing left and right turn lanes for both roads. 

Estimate

Preliminary Engineering- $1.2 Million
Right of Way Acquisitions- $3 Million
Construction Cost Estimate- $22.29 million
Total = $26.49 Million

Funding Sources

Dorchester County Transportation Authority- $582,000
Rural Guideshare Funds- $12,658,000
USDOT TIGER Grant 2017 Funds- $12,658,000
Total = $26.49 Million


PHASE 3

Total Length – 6.06 miles

Overview

From approximately 0.15 miles east of S-18-630 to 0.5 miles west of S-18-22 ( Orangeburg Road), resurface and provide 4-foot paved and 6-foot grass shoulders.

From 0.5 miles west of S-18-22 to approximately 0.2 miles west of S-18-58 ( Jedburg Road), begin widening from 2 to 5 lanes with 4-foot paved and 6-foot grass shoulders.

From approximately 0.2 miles west of S-18-58 to S-18-165 ( W. Richardson Avenue), widen from 2 to 5 lanes curb & gutter section, accommodating bicycles and providing sidewalk on one side only.

Public Meeting

A Public Information Meeting for Phase 3 was held on December 15, 2016 at Alston Middle School.

The purpose for the meeting was to provide information and solicit feedback to include gathering information from the public or any interested organization on historic or cultural resources in the area of the proposed improvements to US 78 Phase 3 from 0.68 miles northwest of Orangeburg Road (S-18-22) to 0.43 miles southeast of Berlin G. Myers Parkway (SC 165). Members of DCTA, its Consultant, and engineering personnel from SCDOT were available to discuss the project with interested citizens on an individual basis.