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Capital Improvement Design and Construction


Capital Improvement Design and Construction works in partnership with internal departments, the Board of Commissioners, city representatives, community improvement districts (CIDs), and residents to deliver impactful transportation projects. The team's core mission is to design and construct improvements that ehance the safety, mobility, and quality of life for Gwinnett's residents and the traveling public.   

Pre-Construction Division


The Pre-Construction Division oversees all pre-construction activities, from initial concept development through final design. The division reviews submittals, issues utility permits for work within the County’s right-of-way, and serves as a key point of contact for residents—responding to inquiries and evaluating requests for new transportation improvements. Pre-Construction also works closely with internal and external stakeholders to ensure alignment throughout the planning process.  

Construction Division

The Construction Division oversees the execution of SPLOST- and grant-funded transportation projects. These include bridge replacements, road widening, turn lane additions, roundabouts, sidewalks, and multi-use trails. The team ensures projects are delivered efficiently, safely, and in alignment with community needs.

At the heart of this work is a commitment to building a safer, more connected Gwinnett. Through collaboration, engagement, and accountability, the department strives to meet the county’s evolving transportation challenges with thoughtful, high-impact solutions.



Roadways, Signals, and Aviation


Roadways, Signals, and Aviation oversees key aspects of Gwinnett County's transportation infrastructure, including roadways, traffic signal systems, and aviation facilities.  The team is committed to maintaining safe, efficient, and reliable mobility through strategic planning, routine maintenance, and innovation.

Roadways Division


The Roadways Division is responsible for the planning, design, construction, and maintenance of county roadways. The division ensures roads are safe, well-maintained, and capable of supporting community growth and evolving transportation needs. 

Signals Division

The Signals Division manages and optimizes traffic signal systems throughout the county. It oversees the installation, maintenance, and coordination of signals at intersections to improve traffic flow, reduce congestion, and enhance roadway safety.

Aviation Division


The Aviation Division is responsible for the planning and management of aviation-related projects. It oversees the development and maintenance of Gwinnett County Airport – Briscoe Field, helipads, and other aviation infrastructure. With a focus on safety, efficiency, and regulatory compliance, the division supports a secure and effective air transportation network.



Safety, Operations, Mobility, and Business Services


Safety, Operations, Mobility, and Business Services oversees critical functions that promote transportation efficiency, roadway safety, and community engagement. The team leads planning, compliance, and business operations to support the county’s evolving mobility needs.

  • Safety Programs focus on reducing traffic accidents, injuries, and fatalities through initiatives such as infrastructure improvements and collaboration with law enforcement.
  • Mobility Planning enhances transportation flow through data-driven project management, guiding projects from concept to completion in alignment with safety and mobility goals.
  • Regulatory Compliance ensures all activities meet local, state, and federal requirements, including safety, accessibility, and business standards.
  • Business Services manages budgeting, procurement, grant administration, and financial operations for SPLOST and other capital programs, ensuring compliance with county policies and supporting smooth project delivery.


Traffic Safety and Operations Division

The Traffic Safety and Operations Division is responsible for the planning, design, and maintenance of county roadways. This includes overseeing construction, repairs, and infrastructure upgrades that support safer and more efficient travel.

The division implements strategic safety measures—such as signage, pavement markings, and traffic control devices—to reduce accidents and enhance pedestrian and driver safety, particularly in intersections and high-traffic areas. Through ongoing maintenance and innovation, the division plays a vital role in advancing the county’s transportation goals.

 


Strategic Transportation Planning and Innovations


The Strategic Transportation Planning and Innovations team leads the county’s efforts to plan and deliver critical public transit and transportation improvements. Focusing on both short- and long-term initiatives, this office works closely with the community to create a safer, more connected, and accessible transportation network. Their work prioritizes equity and accessibility, ensuring all projects comply with Title VI, DBE, and ADA requirements.

Committed to innovation and technology, the team expands infrastructure, enhances mobility, and maintains transit assets in a state of good repair—keeping vehicles and facilities safe and reliable. By collaborating with federal, state, and regional partners, they leverage funding opportunities to deliver impactful projects and provide faster, smarter, and more dependable mobility options for Gwinnett residents.
 

Transportation Planning Division

The Transportation Planning Division assesses how proposed land developments may impact the county’s transportation network, ensuring future growth aligns with mobility goals. The division manages state and federal funding applications for transportation projects and leads countywide and local transportation studies that support safe, connected, and sustainable travel throughout the community.

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