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Trip from Devine, TX to Houston, TX

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Jul 20, 2026 · Editorial standards

Drive Time

4h 2m

Distance

228.3 mi

367 km

Drive Score

9/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$31

one way

EV Charging

Unknown

Best Time to Leave

Save up to 40 min
4 AM
3h 49m ★
6 AM
4h 3m
8 AM
4h 29m
10 AM
4h 12m
12 PM
4h 9m
3 PM
4h 13m
5 PM
4h 27m
8 PM
3h 55m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

city in Medina County, Texas, United States

Devine, TX

Wikimedia Commons

Downtown houston-tx

Houston, TX

Trace Hudson

Trip Overview

Devine to Houston is 228.3 miles and takes about 4 hours 2 minutes via I 10, with a fuel budget near $34 and enough daylight to finish in a day. This drive takes you across the Great Plains region of Texas, maintaining a mostly highway profile throughout. You'll be sticking to major routes for the vast majority of the trip, making it a straightforward connection between these two points. It's a good option if you're looking for an efficient way to cover this distance within Texas, with a clear path and predictable travel time.

Trip Pace

Same-day drive is realistic

A same-day return is possible, but it will make for a full day on the road.

Break Rhythm

1 planned break

Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.

Midpoint

114.1 miles from Devine, TX

A natural place for your longest stop of the day , about 2h 1m into the drive .

Main Roads

Road Distance Duration
I 10 151.1 mi 2h 34m
90th Infantry Division Highway 22.2 mi 23m
Purple Heart Trail 21.3 mi 21m
Katy Freeway 10.7 mi 13m
South Pan Am Expressway 8.4 mi 9m
Jose Lopez Freeway 8 mi 9m
Katy Tollway 3.2 mi 4m
East Hondo Avenue 0.9 mi 1m
Longest stretch: I 10 — 151.1 mi, about 2h 34m

Traffic on I-10

Hour-of-day weekday pattern from 60 FHWA count stations on your route.

Peak

3 PM

~2,987 veh/hr typical · worst 3,856

Quietest

2 AM

~378 veh/hr

Peak-to-quiet ratio

7.9×

busier at peak than in the quiet hours

12a 6a noon 6p 11p

Averaged across 52 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).

Turn-by-Turn Driving Directions

Step-by-step road directions between Devine, TX and Houston, TX.

1

Start on TX 173

0.9 mi · 1 min · East Hondo Avenue
2

Continue on TX 173

432 ft · 15 sec · State Highway 173 South
3

Turn left onto Interstate 35 North

0.7 mi · 1 min · Interstate 35 North
4

Take the ramp

0.1 mi · 19 sec
5

Merge onto I 35

21 mi · 21 min · Purple Heart Trail
Use the straight / slight right lanes.
6

Continue on I 35

8.4 mi · 9 min · South Pan Am Expressway
Use the straight / slight left lanes.
7

Take the exit

0.1 mi · 15 sec
Exit 153 Toward I 10 East, US 90 West, US 90 East, US 87 South: Houston, Del Rio Use the straight / slight right lanes.
8

Keep slight right at fork

0.4 mi · 52 sec
Toward I 10 East, US 90 East, US 87 South: Houston Use the slight left / slight right lanes.
9

Merge onto I 10; US 87; US 90

8.0 mi · 9 min · Jose Lopez Freeway
Use the straight / slight right lanes.
10

Continue on I 10; US 90

22 mi · 23 min · 90th Infantry Division Highway
Use the slight right lane.
11

Continue on I 10; TX 130

151 mi · 2 hr 34 min · I 10; TX 130
Toward I 10 East: Houston, Austin, Waco Use the straight / slight right lanes.
12

Take the exit

0.3 mi · 22 sec
Toward I 10 Toll: Katy Tollway Use the slight left lane.
13

Merge onto I 10 Toll

3.2 mi · 4 min · Katy Tollway
14

Take the exit

0.2 mi · 15 sec
Use the straight / slight right lanes.
15

Merge onto I 10; US 90

11 mi · 13 min · Katy Freeway
Use the slight left lane.
16

Take the exit

0.4 mi · 52 sec
Exit 769A Toward Downtown, Theatre District Use the straight / slight right lanes.
17

Continue on Smith Street

0.1 mi · 29 sec · Smith Street
18

Turn left onto Preston Street

331 ft · 16 sec · Preston Street
19

Turn left onto Louisiana Street

179 ft · 5 sec · Louisiana Street
20

Arrive at destination

Louisiana Street

Trip Plan

Given the 4-hour drive time, leaving Devine in the morning will get you to Houston with plenty of daylight remaining. The route has only one recommended stop, so consider taking that break around the halfway point to stretch your legs. Keep an eye on your fuel levels, as the $34 estimated cost suggests a direct trip without extensive detours. The 151.1-mile stretch on I 10 means you'll have a long period without needing to navigate surface streets, so plan your fuel and rest stops accordingly before entering that segment.

Morning Departure

An early start around 7-8 AM gets you there with plenty of daylight left.

Evening Departure

A late afternoon start means arriving after dark. Morning is better.

You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 114.1 miles from Devine, TX, or about 2h 1m into the drive.
The longest continuous stretch on this route runs about 151.1 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 50 miles or 55m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 114.1 miles or 2h 1m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 3h 16m

Traffic, exits, and arrival timing usually matter more near Houston, TX than in the middle of the route.

Before You Leave

+

Open the route before leaving Devine, TX 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 Devine, TX

This is one driving day of about 228.3 miles and 4h 2m.

Your first comfortable stop window is around 50 miles from Devine, TX.
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 I 10 for about 151.1 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

city in Caldwell County, Texas, United States

Mid-route town

Meal stop

Lockhart, TX

114 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Converse, TX

Fuel and coffee

A short stop after about 50 miles helps settle the day before fatigue starts building.

Yoakum, TX

Meal break

The midpoint is around 114.1 miles from Devine, TX, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before I 10 if your tank is already low. That segment runs about 151.1 miles.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Stops Along Your Drive

Picked by where they fit in your drive — first break, midpoint reset, final stretch.

Medina County Northbound Rest Area

0 mi from route

Medina County Southbound Rest Area

0 mi from route

Road Ranger

0.1 mi from route

Love's Travel Stop

0.1 mi from route

Flying J Travel Center

0.1 mi from route

Guadalupe County Westbound Rest Area

0.1 mi from route

Guadalupe County Eastbound Rest Area

0.1 mi from route

Pilot Travel Center

0.1 mi from route

Buc-ee's

0.1 mi from route

Roady's Truck Stops

0.1 mi from route

Buc-ee's

0.1 mi from route

Flying J Travel Center

0.1 mi from route

Pilot Travel Center

0.1 mi from route

Pilot Travel Center

0.1 mi from route

Love's Travel Stop

0.1 mi from route

TA

0.1 mi from route

QuikTrip

0.1 mi from route

QuikTrip

0.1 mi from route

QuikTrip

0.1 mi from route

Petro Stopping Centers

0.1 mi from route

Colorado County Eastbound Rest Area

0.2 mi from route

Colorado County Westbound Rest Area

0.2 mi from route

Love's Travel Stop

0.2 mi from route

Jud's Travel Center

0.2 mi from route

Road Ranger

0.2 mi from route

Amigos Country Corner

0.2 mi from route

Love's Travel Stop

0.2 mi from route

Love's Travel Stop

0.2 mi from route

TA

0.2 mi from route

Love's Travel Stop

0.4 mi from route

Super Travel Center

0.4 mi from route

Love's Travel Stop

1.2 mi from route

Downtown Aquarium

4.1 ★ ★ ★ ★ ☆

Near the end, right off the route

Home stretch 0.2 mi from route ~1 min detour

Houston, Texas

Hours: 10 am–8:30 pm

+17132233474

Visit website

Roosevelt Park

4.5 ★ ★ ★ ★ ★

Near the start, right off the route

First break 0.6 mi from route ~1 min detour

San Antonio, Texas

Hours: 5 am–11 pm

+12102077275

Visit website

Union Station

4.7 ★ ★ ★ ★ ★

Near the end, right off the route

Home stretch 0.6 mi from route ~1 min detour

Houston, Texas

+17132598070

Visit website

Cidercade Houston

4.5 ★ ★ ★ ★ ★

Near the end, short detour

Home stretch 1.1 mi from route ~3 min detour

Houston, Texas

Hours: 10 am–12 pm

+13462417524

Visit website

Barbara Fish Daniel Nature Play Area and Picnic Pavilion

4.5 ★ ★ ★ ★ ★

Near the end, right off the route

Home stretch 0.8 mi from route ~2 min detour

Houston, Texas

Hours: 7 am–8 pm

+17137520314

Visit website

Midtown Park

4.6 ★ ★ ★ ★ ★

Near the end, short detour

Home stretch 1.5 mi from route ~4 min detour

Houston, Texas

Hours: 8 am–10 pm

+17135267577

Visit website

Hemisfair

4.7 ★ ★ ★ ★ ★

Near the start, short detour

First break 1.7 mi from route ~4 min detour

San Antonio, Texas

Hours: 5 am–12 pm

+12107094750

Visit website

GO RIO San Antonio River Cruises

4.6 ★ ★ ★ ★ ★

Near the start, short detour

First break 1.9 mi from route ~5 min detour

San Antonio, Texas

Hours: 10 am–10 pm

+12102274746

Visit website

Place data sourced from public business listings. Hours and availability may vary.

Heads-up: tricky spots

5 of 13

5 decision points cluster between mile 1.8 and 227.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

5
1.8 mi into trip | ~3m in | I 35 / Purple Heart Trail

Merge onto I 35 / Purple Heart Trail

Merge point - match speed before joining. Lane positioning matters here

Use the straight / slight right lanes.
8
31.4 mi into trip | ~34m in

Take the exit toward I 10 East, US 90 West, US 90 East, US 87 South: Houston, Del Rio

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Exit 153 Toward I 10 East, US 90 West, US 90 East, US 87...
8
31.6 mi into trip | ~35m in

Keep slight right at fork toward I 10 East, US 90 East, US 87 South: Houston

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight left / slight right lanes. Toward I 10 East, US 90 East, US 87 South: Hous...
6
213.3 mi into trip | ~3h 42m in

Take the exit toward I 10 Toll: Katy Tollway

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the slight left lane. Toward I 10 Toll: Katy Tollway
8
227.7 mi into trip | ~4h in

Take the exit toward Downtown, Theatre District

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Exit 769A Toward Downtown, Theatre District

Fuel & Cost

Regular Gas

$31.27 one way

$62.54 round trip

$3.48/gal 25.4 MPG avg 80 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $3.89 $34.93 $69.86
premium $4.23 $37.98 $75.95
diesel $4.80 $43.11 $86.21

Estimated Tolls: $0.23

Katy Tollway (3.2 mi) $0.23

Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.

Estimated Trip Cost (one way, 1 person)

Fuel

$31

Tolls

$0

Meals

$25–$50

Total

$57–$82

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 79.9 kg one way. Prices: EIA weekly data, 2026-07-13.

Driving Electric?

About $24 in charging · 0 stops · 66% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 68.5 0 $23.97 $10.96
Efficient EV 57.1 0 $19.98 $9.13
EV Truck/SUV 91.3 1 $31.96 $14.61

Gas CO2

80 kg

EV CO2

27 kg (66% less)

Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.

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 Jul 18, 2026

Origin

Devine, TX

Evening in Devine on Monday

Local time

5:19 PM

CDT

Current temp

94°F

Partly Sunny

SSE 10 mph 1% chance Live forecast

Flood Warning

Flood Warning issued July 18 at 12:27PM CDT until July 20 at 3:00AM CDT by NWS Austin/San Antonio TX

Flood Warning

Flood Warning issued July 18 at 9:55AM CDT until July 19 at 11:00AM CDT by NWS Austin/San Antonio TX

Destination

Houston, TX

Evening in Houston on Monday

Local time

5:19 PM

CDT

Current temp

95°F

Slight Chance Showers And Thunderstorms

S 5 mph 16% chance Live forecast

Flood Warning

Flood Warning issued July 18 at 12:27PM CDT until July 20 at 3:00AM CDT by NWS Austin/San Antonio TX

Flood Warning

Flood Warning issued July 18 at 9:55AM CDT until July 19 at 11:00AM CDT by NWS Austin/San Antonio TX

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

1 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

4h 2m on the road

An early start around 7-8 AM gets you there with plenty of daylight left.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

National Parks Near This Route

Worth a detour if your schedule allows.

San Antonio Missions National Historical Park

San Antonio Missions National Historical Park

National Historical Park

Welcome to San Antonio Missions, a National Park Service site and the only UNESCO World Heritage Site in Texas. Each mission in the park is a center of community and has been since the early 1700s. Th...

7 mi from route ~19 min detour Free near mile 31.5
View on nps.gov

Park data from the National Park Service API. Alerts update every 2 hours.

What kind of drive is this?

You'll spend about 78% of this 228.3-mile drive on highways. The longest continuous stretch on a main highway is 151.1 miles on I 10. After that, you'll transition to surface roads for the remainder of the trip. Expect a consistent highway experience for most of the drive, with numerous exits and a steady flow of traffic typical of major interstate travel in Texas.

78% highway — fuel and pacing are the main things to plan.
20 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 151.1 mi on I 10.

How Hard Is This Drive?

8/10

This is a straightforward highway drive that stays mostly on I 10 and 90th Infantry Division Highway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 1.8 miles in near I 35 / Purple Heart Trail.

Driving Effort 8/10

Demanding - plan breaks and stay ahead of the key maneuvers

Balances navigation complexity with total wheel time.

This is a demanding drive. With 13 significant decision points across 228.3 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.

Where does it get tricky?

The main spots that need attention: at 1.8 miles (I 35 / Purple Heart Trail): Merge point - match speed before joining. Lane positioning matters here; at 31.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 31.6 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.

Elevation Profile

Mostly flat terrain

643 ft 35 ft

Total Climb

55 ft

Total Descent

663 ft

Highest Point

643 ft

Elevation Range

608 ft

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between Devine, TX and Houston, TX, road signs point toward Del Rio, Austin and Waco.

Del Rio

31.4 mi in | ~34m

Austin

62.1 mi in | ~1h 8m | via I 10; TX 130

Waco

62.1 mi in | ~1h 8m | via I 10; TX 130

Detours Along the Way

Tagged by where each one fits in your drive — first break, midpoint, final stretch.

Happy Lemon

Cafe

Near the end, right off the route

Home stretch 0.6 mi from route ~1 min detour

Katy, TX

Cuisine: bubble_tea

Visit website

85°C

Cafe

Near the end, right off the route

Home stretch 0.4 mi from route ~1 min detour

Cuisine: coffee_shop;chinese

Starbucks

Cafe

Near the end, short detour

Home stretch 1.1 mi from route ~3 min detour

Houston, TX

Cuisine: coffee_shop

Hours: Mo-Th,Sa 05:30-19:30; Fr 05:30-20:00; Su...

Visit website

Starbucks

Cafe

Near the end, short detour

Home stretch 1.2 mi from route ~3 min detour

Houston, TX

Cuisine: coffee_shop

Visit website

Starbucks

Cafe

Near the end, short detour

Home stretch 1.3 mi from route ~3 min detour

Katy, TX

Cuisine: coffee_shop

Visit website

The Bagel Cafe

Cafe

Near the end, short detour

Home stretch 1.4 mi from route ~4 min detour

Katy, TX

Cuisine: bagel

Hours: Mo-Fr 06:00-14:00, Sa-Su 07:00-14:00

Visit website

Barnaby's Cafe

Restaurant

Near the end, right off the route

Home stretch 0.1 mi from route

Houston, TX

Cuisine: american

Hours: Mo-Th 11:00-15:00; Fr-Sa 11:00-20:00

Visit website

Birraporetti's

Restaurant

Near the end, right off the route

Home stretch 0.1 mi from route

Houston, TX

Cuisine: italian

Hours: Mo-Sa 11:00-24:00; Su 10:00-24:00

Visit website

Hearsay Gastro Lounge

Restaurant

Near the end, right off the route

Home stretch 0.1 mi from route

Houston, TX

Hours: Mo-Th 11:00-24:00; Fr 11:00-02:00, Sa 12...

Visit website

Frank's Pizza

Restaurant

Near the end, right off the route

Home stretch 0.2 mi from route

Houston

Cuisine: pizza

Hours: Su-We 11:00-22:00, Th 11:00-01:00, Fr-Sa...

Visit website

Sambuca

Restaurant

Near the end, right off the route

Home stretch 0.2 mi from route ~1 min detour

Houston, TX

Hours: Mo-We 11:00-23:00, Th 11:00-24:00, Fr 11...

Visit website

Chipotle

Fast_food

Near the end, right off the route

Home stretch 0.2 mi from route ~1 min detour

Houston, TX

Cuisine: mexican

Hours: Mo-Fr 11:00-20:00

Visit website

'Burp the Bayou' Red Button

Attraction

Near the end, right off the route

Home stretch 0.1 mi from route

Hours: 24/7

The Snake Pit

Attraction

Near the end, short detour

Home stretch 2.2 mi from route ~5 min detour

Lone Star Racers

Attraction

Near the end, short detour

Home stretch 2.2 mi from route ~5 min detour

Monster Storms

Attraction

Near the end, short detour

Home stretch 2.2 mi from route ~6 min detour

The Duelin' Daltons

Attraction

Near the end, short detour

Home stretch 2.3 mi from route ~6 min detour

KOA Columbus

Camp_site

Later in the drive, ~9 min detour

Final third 3.4 mi from route ~9 min detour

Olive Branch Baptist Church and Rocky Chapel School

Memorial

Later in the drive, right off the route

Final third 0.4 mi from route ~1 min detour

Glidden Baptist Church

Memorial

Later in the drive, right off the route

Final third 0.5 mi from route ~1 min detour

A Tribute to American Statesmanship

Artwork

Near the end, right off the route

Home stretch 0.6 mi from route ~1 min detour

Glidden

Memorial

Later in the drive, right off the route

Final third 0.6 mi from route ~2 min detour

Passage Inachevé

Artwork

Near the end, right off the route

Home stretch 1 mi from route ~2 min detour

Large Spindle Piece

Artwork

Near the end, short detour

Home stretch 1.2 mi from route ~3 min detour

Platium Inn

Motel

Near the end, short detour

Home stretch 2.5 mi from route ~6 min detour

KOA Columbus

Camp_site

Later in the drive, ~9 min detour

Final third 3.4 mi from route ~9 min detour

Points of interest from OpenStreetMap contributors. Listings may not reflect current hours or availability.

About the Cities

Starting in Devine, TX

Full guide →

Arriving in Houston, TX

Full guide →

“Space City” · Founded 1836

Houston is a sprawling port city in Southeastern Texas. An oil boom and continuing international immigration has brought explosive growth to the city, and it is now the fifth largest metropolitan area in the United States and the most diverse large city since 2021. While at first glance, the city appears to be a 9-5 central business district surrounded by a sea of suburbs and strip malls, there are many hidden gems to be discovered. === Welcome World Cup fans === Games will be played at NRG Stadium on the south side of Houston The best way to get to the stadium on game day is to use MetroRail trains (red line to NRG Stadium/Astrodome). Fare cards can be purchased at kiosks at train platforms and cost US$1.25 per ride The best hotels for football fans are downtown or near the medical center (both areas have easy access to MetroRail).

Top landmarks

  • Museum of Fine Arts, Houston — art museum in Houston, Texas
  • Astrodome — historic place in Houston, Harris County, Texas
  • Rothko Chapel — building in Houston, Harris County, Texas

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 4h 2m. Total distance: 228.3 miles.

Family Friendly

Moderate complexity with 1 natural rest stops along the way.

Solo Traveler

4h 2m drive, comfortable solo distance.

First-Time Driver

Mostly highway driving (78%). Some complex stretches to watch for.

Frequently Asked Questions

The longest stretch is about 151.1 miles on I 10. The full list of main roads is in the Roads section above.

Expect about $0.23 in tolls one way, starting with Katy Tollway. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.

Yes — we found about 32 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.

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 Houston, TX before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. There are 32 rest areas along the route for bathroom stops.

The main spots that need attention: at 1.8 miles (I 35 / Purple Heart Trail): Merge point - match speed before joining. Lane positioning matters here; at 31.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 31.6 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.

Yes — San Antonio Missions National Historical Park. See the National Parks section for detour distances and tips on detours.

Possible but tiring. At 4.0 hours each way, an in-and-out day trip would put you behind the wheel for 8.1 hours — manageable with a long break at Houston, TX, but most travelers stay overnight.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, USGS 3DEP for elevation, NPS for national parks, and FHWA TMAS for hourly traffic volumes. See our methodology for refresh cadence and limitations.

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