Transport and commuting · The county seat crossroads
Getting around Lawrenceville
Getting around Lawrenceville means learning the roads that converge on the county seat. Highway 316 runs along the city's west side with interchanges at the local highways, US 29 and State Route 8 pass through, and State Routes 120 and 124 cross the downtown grid. I-85 is a few exits west, which makes Lawrenceville the practical midpoint between the interstate and east Gwinnett.
Transit is the best in the east-county cities: Ride Gwinnett's Route 40 runs through downtown and past the Justice complex, the Sugarloaf Mills commuter lot is minutes away, and the county's own airport sits inside the city limits. Every route, stop, and time below is verified; where something does not exist, this page says so plainly.
The roads
The highways that meet at the county seat
State Route 316, University Parkway
Runs along the city's west side, interchanging with State Routes 120, 20, and 124 in Lawrenceville, and connecting to I-85 at the 106 and 107 exits a few miles west. East it runs toward Athens. It is the fast road out of town in both directions.
US 29 and State Route 8
Passes through the city, co-signed with State Route 8. North it runs toward the Dacula, Auburn, and Winder side; south it heads toward Lilburn and the Stone Mountain corridor.
State Route 120
Runs through the northern part of the city, with its eastern end at the State Route 20 and 124 junction near Lawrenceville. West it runs toward the Duluth and Norcross side of the county.
State Route 124
Crosses the city, meeting US 29, State Routes 8, 120, and 316 in the Lawrenceville grid. North it is the road to Dacula and the Mulberry side; south it runs through Snellville toward the I-20 corridor.
The commutes
What the drives to the usual destinations actually take
Times below are published figures for normal, uncongested traffic on the roads Lawrenceville actually uses. The weekday peaks change them substantially, and the Atlanta run via 316 and I-85 is the one that everyone asks about first.
Downtown Atlanta
About 40 minutes
Roughly 32 to 35 miles via 316 to I-85, with published figures of 37 to 45 minutes in normal traffic. The peak adds real time on the merge and the connector.
Mall of Georgia corridor
About 20 minutes
About 12 to 13 miles, commonly via the 316 and 20 side, with published figures of 15 to 20 minutes. The big retail and job anchor of the county, a routine run.
Dacula
About 10 minutes
Straight up State Route 124, with published figures around 10 minutes. The neighborly counter-flow run toward the east county towns.
For scale: the average one-way commute in Gwinnett County runs about 33 minutes across all workers, per the U.S. Census Bureau's American Community Survey.
Transit
The county seat gets the county's buses
Ride Gwinnett's Route 40 runs through downtown Lawrenceville, with stops along the Pike Street, Langley Drive, and Nash Street grid, and calls directly at the Gwinnett Justice and Administration Center before continuing toward the Sugarloaf Mills side. For anyone working in the county seat, this is the local line that matters.
The commuter layer sits minutes west: the Sugarloaf Mills Park-and-Ride serves the Xpress regional express routes into downtown and midtown Atlanta, connecting with MARTA rail at the Civic Center and Arts Center stations. The Xpress network absorbed Gwinnett County Transit's former express routes in June 2025.
No MARTA rail line reaches Lawrenceville. The nearest station is Doraville, the outer terminus of the Gold Line, roughly 20 minutes west by car; for a transit commute, the Xpress connection downtown is often the more direct answer.
Schedules and fares change with the season. Confirm the current Ride Gwinnett and Xpress timetables before your first ride; the Sugarloaf lot fills early on weekday mornings.
Rail and air
MARTA, Hartsfield-Jackson, and the home field
No MARTA rail line reaches Gwinnett County, and the nearest station to Lawrenceville is Doraville, the Gold Line's outer terminus, about 20 minutes west by car. From Doraville the Gold Line runs into downtown Atlanta and on to the airport.
Hartsfield-Jackson Atlanta International Airport is about 40 to 42 miles from town, roughly 45 minutes to an hour in normal traffic. It is the hub airport for the region and the answer to "which airport" for most Lawrenceville households.
For private and general aviation, Gwinnett County Airport Briscoe Field sits inside the city limits, a public-use municipal airport with a 6,000-foot runway. Lawrenceville is one of the few Georgia county seats with its own airport.
The takeaway
Driving or transit, the honest answer for Lawrenceville
- The Atlanta commute runs 316 to I-85 and is the one that grinds: free-flow about 40 minutes, the weekday peak longer, and the worst mornings are the ones that make people look at the Sugarloaf lot.
- Lawrenceville has the best local bus story in east Gwinnett: Route 40 through downtown and the Justice complex is a real route with real stops.
- The counter-flow runs, the Mall of Georgia and Dacula at 20 and 10 minutes, move against the heaviest traffic.
- Briscoe Field inside the city is the quiet asset, the practical answer for owner-pilots in the county.
- The honest read: a car-first county seat with a working bus line through its center, which is a better transit answer than most of the corridor offers.
Thinking about moving to Lawrenceville? Explore Rob Dietrich's Lawrenceville real-estate guide.
An editorial guide, not a listings site. Updated September 13, 2026. Real-estate guidance on this page is provided by Rob Dietrich, REALTOR® with eXp Realty, LLC.