Origin
Signal Mountain, TN
Night in Signal Mountain on Friday
Local time
11:21 PM
EDT
Current temp
76°F
Unavailable
Live forecast
Trip from Signal Mountain, TN to Chattanooga, TN
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
12m
Distance
7.9 mi
13 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$1
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 12m
★
6 AM
0h 13m
8 AM
0h 15m
10 AM
0h 13m
12 PM
0h 13m
3 PM
0h 14m
5 PM
0h 15m
8 PM
0h 12m
★
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Signal Mountain, TN
Wikimedia Commons
Chattanooga, TN
Wikimedia Commons
Trip Overview
Signal Mountain, TN to Chattanooga, TN is 7.9 miles and takes about 12m via Signal Mountain Boulevard and US 27, with a fuel budget near $1 and enough daylight to finish in a day. This very short trip stays within the Southeast region, specifically within Tennessee. It's a quick hop perfect for a single day, offering a straightforward connection between two nearby points. You'll find the drive uncomplicated, making it an easy addition to any larger itinerary or a simple commute.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 12m. Total distance: 7.9 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
12m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (30%). Straightforward navigation.
Scenic Drive
Mixed drive route profile.
Drive Character
This route offers a mixed drive experience, with about 30% of the journey on highway conditions. You'll encounter stretches on Signal Mountain Boulevard, including the longest uninterrupted segment of 3 miles. The road profile suggests a blend of local streets and faster thoroughfares like US 27. Expect the character of the drive to shift as you transition from the mountain roads to the approach into Chattanooga.
Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 9 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Signal Mountain Boulevard is the longest continuous segment at about 3 miles.
How Hard Is This Drive?
This route mixes highway mileage with some local-road sections near the start or finish. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near US 127 / Taft Highway.
Driving Effort
3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 12m drive. You will face about 4 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (US 127 / Taft Highway): Sharp turn - reduce speed on approach; at 5 miles (US 27): Merge point - match speed before joining; at 7.4 miles: Exit ramp - move to the correct lane early.
Critical Maneuvers
4 of 4 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
6
0 mi into trip
|
~0m in
|
US 127 / Taft Highway
Turn sharp right onto US 127 / Taft Highway
Sharp turn - reduce speed on approach
3
5 mi into trip
|
~8m in
|
US 27
Merge onto US 27
Merge point - match speed before joining
5
7.4 mi into trip
|
~11m in
Take the exit toward Downtown
Exit ramp - move to the correct lane early
Exit 1A
Toward Downtown
4
7.6 mi into trip
|
~11m in
|
West Martin Luther King Boulevard
Turn straight onto West Martin Luther King Boulevard
Lane positioning matters here
Use the straight lane.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Signal Mountain, TN to Chattanooga, TN, road signs begin pointing toward Downtown along the way.
Downtown
7.4 mi in
|
~11m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Signal Mountain Boulevard | 3 mi | 4m |
| US 27 | 2.4 mi | 3m |
| Signal Mountain Road | 1.6 mi | 2m |
| West Martin Luther King Boulevard | 0.3 mi | <1m |
| Taft Highway | <0.1 mi | <1m |
| Mississippi Avenue | <0.1 mi | <1m |
Longest stretch:
Signal Mountain Boulevard
— 3 mi, about 4m
Turn-by-Turn Driving Directions
Step-by-step road directions between Signal Mountain, TN and Chattanooga, TN.
1
Start on Mississippi Avenue
189 ft
·
17 sec
·
Mississippi Avenue
2
Turn sharp right onto US 127
302 ft
·
7 sec
·
Taft Highway
3
Continue on US 127
3.0 mi
·
4 min
·
Signal Mountain Boulevard
4
Continue on US 127
1.6 mi
·
2 min
·
Signal Mountain Road
5
Take the ramp
0.3 mi
·
44 sec
6
Merge onto US 27
2.4 mi
·
3 min
·
US 27
7
Take the exit
0.2 mi
·
40 sec
Exit 1A
Toward Downtown
8
Turn straight onto West Martin Luther King Boulevard
0.3 mi
·
45 sec
·
West Martin Luther King Boulevard
Use the straight lane.
9
Arrive at destination
TN 8
Fuel & Cost
Regular Gas
$1.24 one way
$2.47 round trip
$3.97/gal
25.4 MPG avg
3 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $1.36 | $2.71 |
| premium | $4.89 | $1.52 | $3.04 |
| diesel | $5.61 | $1.74 | $3.49 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$1
Estimated CO2 emission: 2.8 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $1 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 2.4 | 0 | $0.83 | $0.38 |
| Efficient EV | 2 | 0 | $0.69 | $0.32 |
| EV Truck/SUV | 3.2 | 0 | $1.11 | $0.51 |
Gas CO2
3 kg
EV CO2
1 kg (67% 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.
Destination
Chattanooga, TN
Night in Chattanooga on Friday
Local time
11:21 PM
EDT
Current temp
75°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
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
12m 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.
Frequently Asked Questions
The drive from Signal Mountain, TN to Chattanooga, TN covers 7.9 miles and takes about 12m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Signal Mountain Boulevard, US 27, Signal Mountain Road. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 4 miles from Signal Mountain, TN. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $1.24 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a straightforward 12m drive. You will face about 4 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: near the start (US 127 / Taft Highway): Sharp turn - reduce speed on approach; at 5 miles (US 27): Merge point - match speed before joining; at 7.4 miles: Exit ramp - move to the correct lane early.
On the drive from Signal Mountain, TN to Chattanooga, TN, road signs begin pointing toward Downtown along the way.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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