The Georgia Department of Transportation is responsible for maintaining Interstate 75 and state highways within Henry County. State DOT projects include road widening, intersections, and maintenance work.

In 2015, state lawmakers passed the transportation funding act (TFA). The legislation, also referred to 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 approximately $300 million dollars in state funding budgeted for major projects.

State Projects Schedule


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

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

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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: TBD
Est. Construction Timeframe: 2 years
Total Cost: $31.5 million

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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 2022
Est. Construction Timeframe: 2 years
Total Cost: $30 million

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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

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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 2026
Est. Construction Timeframe: 4 years
Total Cost: $127 million

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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

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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: TBD
Est. Construction Timeframe: 2.5 years
Total Cost: $37.5 million

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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: Fall 2023
Est. Construction Timeframe: 2-3 years
Total Cost: $50 million

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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

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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

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Last updated on December 9, 2020