The Georgia Department of Transportation is responsible for maintaining Interstate 75 and state highways within Henry County. Georgia DOT projects include road widening, intersections, and maintenance work.
In 2015, state lawmakers passed the transportation funding act (TFA). The legislation, also known as house bill 170, raised the state gas tax providing additional funding to advance road projects. Henry County is a major benefactor of HB 170 with about $500 million dollars in state funding budgeted for major projects.
Road Widening Projects
All projects include widening the roadway from two to four lanes unless noted. Use the links below for quick reference on specific projects.
- Jonesboro Road
- Rock Quarry Road
- State Route 20 / 81
- State Route 42 (north)
- State Route 42 (central)
- State Route 42 (south)
- State Route 81
- State Route 155 (north)
- State Route 155 (south)
- Western Parallel Connector
Jonesboro Road
ARC Project ID: HE-920B
GDOT Project ID: 342970
Limits: I-75 to US 19 / 41
Project Sponsor: Georgia DOT
Phase: Project on Hold
Est. Construction Let Date: FY 2035
Est. Construction Timeframe: 3-4 years
Total Cost: $89.8 million
Related News
- Jonesboro Road widening on T-SPLOST ballot (August 2021)
- Streetlights approved on Jonesboro Road (August 2020)
- Jonesboro Road widening postponed (July 2018)
Rock Quarry Road
ARC Project ID: HE-161A
GDOT Project ID: 0015090
Limits: Eagles Landing Pkwy to SR 138
Project Sponsor: Henry County
Phase: Right of Way Acquisition
Est. Construction Let Date: FY 2023
Est. Construction Timeframe: 2 years
Total Cost: $31.5 million
Related News
- Rock Quarry Road widening on T-SPLOST ballot (August 2021)
- Henry County receives federal funds for Rock Quarry Road construction (January 2021)
- BOC approves right of way agreement with Georgia DOT (December 2020)
- SPLOST V funds planned for widening project (September 2018)
State Route 20 / 81
ARC Project ID: HE-020A
GDOT Project ID: 0013531
Limits: I-75 to Phillips Drive
Project Sponsor: Georgia DOT
Phase: Right of Way Acquisition
Est. Construction Let Date: FY 2023
Est. Construction Timeframe: 2 years
Total Cost: $30 million
Related News
- Diverging Diamond Interchange under construction (July 2020)
State Route 42 (north)
ARC Project ID: CL-064
GDOT Project ID: 322050
Limits: I-675 to SR 138
Project Sponsor: Georgia DOT
Phase: Right of Way Acquisition
Est. Construction Let Date: FY 2023
Est. Construction Timeframe: 3 years
Total Cost: $38 million
Related News
- SR 42 widening buying right of way (September 2018)
State Route 42 (central)
ARC Project ID: HE-007
GDOT Project ID: 0007855
Limits: Downtown McDonough to SR 138
Project Sponsor: Georgia DOT
Phase: Preliminary Engineering
Est. Construction Let Date: FY 2028
Est. Construction Timeframe: 4 years
Total Cost: $150 million
Related News
- Townhomes proposed south of McDonough Parkway (November 2020)
- SR 42 widening postponed to 2026 (January 2019)
State Route 42 (south)
Project adds a southbound auxiliary lane in Locust Grove.
ARC Project ID: HE-202
GDOT Project ID: 0015283
Limits: Bill Gardner Pkwy to Peeksville Rd
Project Sponsor: Georgia DOT
Phase: Right of Way Acquisition
Est. Construction Let Date: FY 2023
Est. Construction Timeframe: 1 year
Total Cost: $3.5 million
Related News
- Open House held for Locust Grove widening project (November 2019)
State Route 81
ARC Project ID: HE-005
GDOT Project ID: 0015089
Limits: Postmaster Drive to Bethany Road
Project Sponsor: Henry County
Phase: Preliminary Engineering
Est. Construction Let Date: FY 2025
Est. Construction Timeframe: 2.5 years
Total Cost: $37.5 million
Related News
- State Route 81 widening on T-SPLOST ballot (August 2021)
- Henry County receives federal funds for State Route 81 construction (January 2021)
- Virtual Open House for SR 81 widening (November 2020)
- Henry County approves supplement agreement for design cost (September 2020)
- Concept Report approved for widening project (February 2020)
State Route 155 (north)
ARC Project ID: HE-113
GDOT Project ID: 0007856
Limits: I-75 to US 23 / SR 42
Project Sponsor: Georgia DOT
Phase: Preliminary Engineering
Est. Construction Let Date: FY 2026
Est. Construction Timeframe: 2-3 years
Total Cost: $50 million
Related News
- Apartments to build south of McDonough High (October 2020)
- RaceTrac gas station planned near I-75 (July 2020)
State Route 155 (south)
ARC Project ID: HE-189
GDOT Project ID: 0015284
Limits: I-75 to Hampton-Locust Grove Rd
Project Sponsor: Georgia DOT
Phase: Not Started
Est. Construction Let Date: FY 2030
Est. Construction Timeframe: 2-3 years
Total Cost: $72 million
Related News
- Traffic signal planned at SR 155 and Greenwood Industrial (November 2020)
Western Parallel Connector
Project proposes to construct a new four-lane roadway adjacent I-75.
ARC Project ID: HE-179
GDOT Project ID: 0014482
Limits: Jonesboro Road to Hudson Bridge
Project Sponsor: Georgia DOT
Phase: Right of Way Acquisition
Est. Construction Let Date: FY 2023
Est. Construction Timeframe: 3 years
Total Cost: $60 million
Related News
- BOC approves right of way agreement for WPC (August 2020)
Last updated on September 22, 2021
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