This 124.4-mile journey from Ardmore, TN to Chattanooga, TN takes approximately 2 hours and 32 minutes and is a straightforward drive through the Southeast region. Primarily following US 72 and I-24, with a brief segment on AL 53, this route is almost entirely highway, making it an excellent candidate for a single-day trip. You can expect a fuel cost of around $19 for this drive. With only one recommended stop, it’s designed for efficient travel, allowing you to reach your destination without needing an overnight stay. The overall feel is one of steady progress toward Chattanooga.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
62.2 miles from Ardmore, TN
A natural place for your longest stop of the day
, about 1h 20m into the drive
.
Main Roads
Road
Distance
Duration
US 72
72.6 mi
1h 25m
I 24
26.2 mi
28m
AL 53
16.9 mi
23m
Main Street
3.9 mi
6m
Sparkman Drive Northwest
3.1 mi
5m
US 27
0.7 mi
<1m
West Martin Luther King Boulevard
0.2 mi
<1m
Longest stretch:
US 72
— 72.6 mi, about 1h 25m
Turn-by-Turn Driving Directions
Step-by-step road directions between Ardmore, TN and Chattanooga, TN.
1
Start on TN 7
3.9 mi·6 min·Main Street
2
Continue on AL 53
17 mi·23 min·AL 53
3
Turn left onto Sparkman Drive Northwest
3.1 mi·5 min·Sparkman Drive Northwest
Use the straight lane.
4
Continue on US 72
1.7 mi·2 min·US 72
Use the straight lane.
5
Keep slight left at fork onto US 72
71 mi·1 hr 22 min·US 72
Toward US 72 East: Scottsboro
6
Take the exit
0.2 mi·26 sec
Toward I-24 East: Chattanooga
7
Merge onto I 24
26 mi·28 min·I 24
8
Take the exit
0.4 mi·46 sec
Exit 184BToward US 27 North: Downtown Chattanooga
9
Continue on US 27
0.7 mi·59 sec·US 27
10
Take the exit
0.2 mi·25 sec
Exit 1BToward Downtown
11
Turn right onto West Martin Luther King Boulevard
0.2 mi·29 sec·West Martin Luther King Boulevard
Use the left / straight / right lanes.
12
Arrive at destination
TN 8
Trip Plan
Given the relatively short duration of about 2.5 hours, this route is best tackled in one go, offering flexibility in your departure time. Aiming to leave in the morning will allow you to arrive in Chattanooga with plenty of the day ahead. The longest stretch without a major road change is over 70 miles, so plan your fuel and rest stops accordingly before you embark. With a fuel cost estimated at $19, it's an economical trip. A practical tip for this drive is to be aware of the transition from US 72 to I-24, as this is where the driving character shifts most noticeably.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 62.2 miles from Ardmore, TN, or about 1h 20m into the drive.
The longest continuous stretch on this route runs about 72.6 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 27 miles or 39m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 62.2 miles or 1h 20m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 6m
Traffic, exits, and arrival timing usually matter more near Chattanooga, TN than in the middle of the route.
Before You Leave
+
Open the route before leaving Ardmore, TN so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Ardmore, TN
This is one driving day of about 124.4 miles and 2h 32m.
Your first comfortable stop window is around 27 miles from Ardmore, TN.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on US 72 for about 72.6 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 7
5 decision points cluster between mile 20.8 and 124.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
20.8 mi into trip|~29m in|Sparkman Drive Northwest
Turn left onto Sparkman Drive Northwest
Lane positioning matters here
Use the straight lane.
5
25.5 mi into trip|~37m in|US 72
Keep slight left at fork onto US 72 toward US 72 East: Scottsboro
Highway fork - watch signs carefully
Toward US 72 East: Scottsboro
5
122.8 mi into trip|~2h 29m in
Take the exit toward US 27 North: Downtown Chattanooga
Exit ramp - move to the correct lane early
Exit 184B
Toward US 27 North: Downtown Chattanooga
5
124 mi into trip|~2h 31m in
Take the exit toward Downtown
Exit ramp - move to the correct lane early
Exit 1B
Toward Downtown
6
124.2 mi into trip|~2h 31m in|West Martin Luther King Boulevard
Turn right onto West Martin Luther King Boulevard
Lane positioning matters here
Use the left / straight / right lanes.
Fuel & Cost
Regular Gas
$19.45 one way
$38.90 round trip
$3.97/gal25.4 MPG avg44 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.36
$21.35
$42.71
premium
$4.89
$23.94
$47.88
diesel
$5.61
$27.47
$54.93
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$19
Meals
$25–$50
Total
$44–$69
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 43.5 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $13 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
37.3
0
$13.06
$5.97
Efficient EV
31.1
0
$10.89
$4.98
EV Truck/SUV
49.8
0
$17.42
$7.96
Gas CO2
44 kg
EV CO2
15 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 20, 2026
Origin
Ardmore, TN
Morning
in Ardmore on Tuesday
Local time
7:14 AM
CDT
Current temp
78°F
Unavailable
Live forecast
Destination
Chattanooga, TN
Morning
in Chattanooga on Tuesday
Local time
8:14 AM
EDT
Current temp
77°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
1 hour later
The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.
Temperature spread
1 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
2h 32m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
Expect a highway-focused drive with 94% of the route utilizing major roadways. You'll experience a significant stretch of 72.6 miles on US 72, which forms the longest uninterrupted segment of your journey. The transition to I-24 will offer a faster pace, characteristic of interstate travel. While largely a functional drive, the highway nature means you’ll be covering ground efficiently, with limited opportunities for spontaneous roadside exploration unless you plan specific exits. The road character remains consistent, prioritizing speed and directness.
94% highway — fuel and pacing are the main things to plan.
12 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 72.6 mi on US 72.
How Hard Is This Drive?
4/10
This is a straightforward highway drive that stays mostly on US 72 and I 24. There are only a few real navigation decisions along the way. The trickiest moment comes around 20.8 miles in near Sparkman Drive Northwest.
Driving Effort4/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 2h 32m drive. You will face about 7 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 20.8 miles (Sparkman Drive Northwest): Lane positioning matters here; at 25.5 miles (US 72): Highway fork - watch signs carefully; at 122.8 miles: Exit ramp - move to the correct lane early.
Chattanooga is the 4th largest city in Tennessee. It is the seat of Hamilton County. It is in Southeast Tennessee on the Tennessee River and near the border of Georgia. It was immortalized in the popular 1941 song "Chattanooga Choo Choo", made famous by Glenn Miller.
Top landmarks
•Delta Queen — paddle steamer launched in 1926
•Hunter Museum of American Art — art museum in Chattanooga, Tennessee
•Saints Peter and Paul Basilica — historic church in Tennessee, United States
The longest stretch is about 72.6 miles on US 72. The full list of main roads is in the Roads section above.
Yes — we found about 8 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.
The main spots that need attention: at 20.8 miles (Sparkman Drive Northwest): Lane positioning matters here; at 25.5 miles (US 72): Highway fork - watch signs carefully; at 122.8 miles: Exit ramp - move to the correct lane early.
Yes. A round trip is manageable in a single day if you plan a break at Chattanooga, TN before heading back.
