If you are looking to travel from Caldwell to Austin, you are in for a manageable 79.7-mile trek that typically takes about 1 hour and 24 minutes. This route is perfectly suited for a quick day trip, allowing you to reach your destination without the need for an overnight stay. You can expect to budget roughly $12 for fuel, keeping the trip quite affordable. Navigating between these two points in the Great Plains, you will transition across familiar Texas terrain. Because the journey is relatively short, it offers a straightforward connection between the two locations.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
39.8 miles from Caldwell, TX
A natural place for your longest stop of the day
, about 44m into the drive
.
Main Roads
Road
Distance
Duration
State Highway 21 West
36.8 mi
40m
US 290
31.8 mi
37m
Manor Expressway
6.1 mi
6m
Purple Heart Trail
3.4 mi
4m
East 6th Street
0.5 mi
1m
South Echols Street
0.3 mi
1m
North Interstate 35
0.2 mi
<1m
Congress Avenue
<0.1 mi
<1m
Longest stretch:
State Highway 21 West
— 36.8 mi, about 40m
Turn-by-Turn Driving Directions
Step-by-step road directions between Caldwell, TX and Austin, TX.
1
Start on South Echols Street
0.3 mi·1 min·South Echols Street
2
Turn left onto TX 21
37 mi·40 min·State Highway 21 West
3
Take the exit
0.3 mi·43 sec
4
Merge onto US 290
7.7 mi·8 min·US 290
5
Continue on US 290
21 mi·25 min·US 290
6
Continue on 290 Toll
6.1 mi·6 min·Manor Expressway
Use the straight / right lanes.
7
Continue on US 290
1.6 mi·1 min·US 290
8
Take the exit onto US 290
1.1 mi·2 min·US 290
Toward I 35 South, US 290 WestUse the slight right lane.
9
Merge onto I 35; US 290
1.0 mi·1 min·Purple Heart Trail
10
Keep slight left at fork onto I 35; US 290
2.4 mi·3 min·Purple Heart Trail
Toward 32nd Street, Dean Keeton StreetUse the slight left lane.
11
Take the exit
0.2 mi·26 sec
Exit 234BToward 8th–3rd Streets, Huston-Tillotson UniversityUse the slight right lane.
12
Turn straight onto North Interstate 35
0.2 mi·27 sec·North Interstate 35
Use the straight / right lanes.
13
Turn right onto East 6th Street
0.5 mi·1 min·East 6th Street
Use the right lane.
14
Turn left onto Congress Avenue
357 ft·17 sec·Congress Avenue
15
Turn left onto East 5th Street
28 ft·0 sec·East 5th Street
Use the left lane.
16
Arrive at destination
East 5th Street
Trip Plan
Since this is a short trip with no required stops, you have plenty of flexibility to plan your departure around Austin’s traffic patterns. Budgeting your $12 for fuel beforehand ensures you won't have to worry about finding a station mid-drive. Given the turn-heavy nature of this route, keep your navigation system updated to help you manage the transitions between Highway 21, the Manor Expressway, and I-35. If you prefer a smoother experience, try leaving during off-peak hours to avoid potential congestion as you approach the city. Taking advantage of the route's short duration allows you to arrive in Austin refreshed and ready for your next set of plans.
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.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 39.8 miles from Caldwell, TX, or about 44m into the drive.
The longest continuous stretch on this route runs about 36.8 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 18 miles or 20m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 39.8 miles or 44m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 1h 16m
Traffic, exits, and arrival timing usually matter more near Austin, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving Caldwell, TX so your first major turns are already loaded.
Day 1
Settle into the route from Caldwell, TX
This is one driving day of about 79.7 miles and 1h 33m.
Your first comfortable stop window is around 18 miles from Caldwell, TX.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on State Highway 21 West for about 36.8 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 11
5 decision points cluster between mile 74.2 and 79.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
7
74.2 mi into trip|~1h 23m in|US 290
Take the exit onto US 290 toward I 35 South, US 290 West
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward I 35 South, US 290 West
8
76.3 mi into trip|~1h 27m in|I 35; US 290 / Purple Heart Trail
Keep slight left at fork onto I 35; US 290 / Purple Heart Trail toward 32nd Street, Dean Keeton Street
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left lane.
Toward 32nd Street, Dean Keeton Street
8
78.7 mi into trip|~1h 30m in
Take the exit toward 8th–3rd Streets, Huston-Tillotson University
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 234B
Toward 8th–3rd Streets, Huston-Tillotson Univer...
6
79.1 mi into trip|~1h 31m in|East 6th Street
Turn right onto East 6th Street
Lane positioning matters here
Use the right lane.
7
79.6 mi into trip|~1h 32m in|East 5th Street
Turn left onto East 5th Street
Lane positioning matters here
Use the left lane.
Fuel & Cost
Regular Gas
$12.04 one way
$24.09 round trip
$3.84/gal25.4 MPG avg28 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.20
$13.18
$26.36
premium
$4.54
$14.23
$28.46
diesel
$5.61
$17.60
$35.19
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$12
Meals
$25–$50
Total
$37–$62
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 27.9 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $8 in charging
· 0 stops
· 68% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
23.9
0
$8.37
$3.83
Efficient EV
19.9
0
$6.97
$3.19
EV Truck/SUV
31.9
0
$11.16
$5.10
Gas CO2
28 kg
EV CO2
9 kg (68% 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
Caldwell, TX
Late night
in Caldwell on Tuesday
Local time
5:26 AM
CDT
Current temp
86°F
Unavailable
Live forecast
Destination
Austin, TX
Late night
in Austin on Tuesday
Local time
5:26 AM
CDT
Current temp
89°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
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
3 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
1h 33m 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 turn-heavy local drive rather than a monotonous interstate cruise. You will primarily navigate via Highway 21 West, eventually transitioning onto the Manor Expressway and I-35 South to reach your destination. Since there is no highway share for this route, you will find yourself managing local turns throughout the journey. Because the longest stretch on Highway 21 West is 0 miles, you should stay alert for frequent adjustments to your path. This drive requires more active steering and attention than a standard high-speed highway transit.
94% highway — fuel and pacing are the main things to plan.
16 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 36.8 mi on State Highway 21 West.
How Hard Is This Drive?
8/10
This is a straightforward highway drive that stays mostly on State Highway 21 West and US 290. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 74.2 miles in near US 290.
Driving Effort8/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 79.7 miles you will encounter 11 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 74.2 miles (US 290): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 76.3 miles (I 35; US 290 / Purple Heart Trail): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 78.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Austin is a city of about 1,054,000 (2026) surpassing Fort Worth to become the 4th most populous city in Texas. It is on the southeast edge of the Hill Country region of Texas, making it the fourth-largest city in the state and the 11th-largest in the country. It is the capital of Texas and a college town, and also a center of an alternative culture away from the major cities on the US coasts, though the city is rapidly gentrifying with its rising popularity. Austin's attitude is commonly emblazoned about town on T-shirts and bumper stickers that read: "Keep Austin Weird." Austin is also marketed as the Live Music Capital of the World due to the large number of venues.
Top landmarks
•Texas State Capitol — capitol and seat of government of the U.S. state of Texas
•Lyndon Baines Johnson Library and Museum — presidential library and museum for U.S. President Lyndon B. Johnson in Austin,...
•Texas State Cemetery — historic cemetery in Austin, Texas, USA
Doable as a same-day drive at 1h 33m. Total distance: 79.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 33m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (94%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 36.8 miles on State Highway 21 West. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Austin, TX before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 74.2 miles (US 290): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 76.3 miles (I 35; US 290 / Purple Heart Trail): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 78.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes. A round trip is manageable in a single day if you plan a break at Austin, TX before heading back.
