Grand Prairie, TX to Dumas, TX is 403.9 miles and takes about 7h 12m via US 81 and US Highway 287, with a fuel budget near $59 and enough daylight to finish in a day. This trip stays entirely within Texas, traversing the flat, open landscapes of the Great Plains. The route is predominantly highway driving, making it a straightforward option for a single-day journey. You'll be covering a significant distance, so be prepared for a full day behind the wheel.
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
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
201.9 miles from Grand Prairie, TX
A natural place for your longest stop of the day
, about 3h 37m into the drive
.
Main Roads
Road
Distance
Duration
US 81
103.4 mi
1h 49m
US Highway 287
75.4 mi
1h 17m
US 87
43.5 mi
44m
US Highway 287 East
40.5 mi
42m
East 11th Street
28.7 mi
32m
Boykin Drive
26.2 mi
28m
US Highway 287 West
25.7 mi
26m
I 820 TEXpress
6.2 mi
6m
Longest stretch:
US 81
— 103.4 mi, about 1h 49m
Turn-by-Turn Driving Directions
Step-by-step road directions between Grand Prairie, TX and Dumas, TX.
1
Start on this road
219 ft·21 sec·this road
2
Turn left onto Northeast 5th Street
189 ft·10 sec·Northeast 5th Street
3
Turn right onto TX 180
0.3 mi·36 sec·East Main Street
4
Continue on TX 180
0.4 mi·53 sec·West Main Street
5
Turn slight right onto Dalworth Street
0.6 mi·1 min·Dalworth Street
6
Turn right onto TX 161
0.1 mi·11 sec·North State Highway 161
7
Take the ramp
0.2 mi·30 sec
Toward PGBT Toll North
8
Merge onto PGBT
5.8 mi·6 min·President George Bush Turnpike
Use the straight / slight right lanes.
9
Take the exit
1.2 mi·2 min
Toward TX 183 West: DFW AirportUse the straight / slight right lanes.
10
Merge onto TX 183
4.6 mi·4 min·Airport Freeway
Use the straight / slight right lanes.
11
Take the exit onto Airport Freeway TEXpress
0.3 mi·16 sec·Airport Freeway TEXpress
Toward TX 121 Express South, TX 183 Express West: Airport Freeway TEXpress WestUse the slight left lane.
12
Merge onto TX 183 TEXpress
2.5 mi·2 min·SH 183 TEXpress
Use the straight / slight right lanes.
13
Continue on TX 121 TEXpress; TX 183 TEXpress
2.0 mi·2 min·SH 121/183 TEXpress
14
Continue on TX 183 TEXpress
0.1 mi·7 sec·SH 183 TEXpress
Use the straight / slight right lanes.
15
Continue on TX 121 TEXpress; TX 183 TEXpress
0.7 mi·42 sec·SH 121/183 TEXpress
16
Continue on I 820 TEXpress
6.2 mi·6 min·I 820 TEXpress
Toward I 820 Express West TollUse the straight / slight right lanes.
17
Take the exit
0.2 mi·26 sec
Toward I 35W Express: Fort Worth, Denton
18
Keep slight right at fork
0.8 mi·50 sec
Toward I 35W Express North: DentonUse the slight left / slight right lanes.
19
Merge onto I 35W TEXpress
2.3 mi·2 min·I 35W TEXpress
20
Take the exit
0.7 mi·1 min
Toward US 81 North, US 287 North: DecaturUse the straight / slight right lanes.
21
Merge onto US 81; US 287
1.7 mi·1 min·US 81; US 287
Use the straight / slight right lanes.
22
Continue on US 81; US 287
102 mi·1 hr 47 min·US 81; US 287
Use the straight / slight right lanes.
23
Continue on US 281; US 287
0.8 mi·58 sec·Lloyd Ruby Overpass
24
Continue on US 277; US 281; US 287
2.4 mi·3 min·Central Freeway
Use the straight lane.
25
Keep slight left at fork onto US 287
5.3 mi·5 min·Northwest Freeway
Exit 3AToward US 287 North: Vernon, AmarilloUse the slight left / straight lanes.
26
Continue on US 287
40 mi·42 min·US Highway 287 East
Use the straight / left / right lanes.
27
Continue on US 70; US 183; US 287
4.1 mi·4 min·Martin Luther King Jr Memorial Highway
Use the straight / slight right lanes.
28
Continue on US 287
26 mi·26 min·US Highway 287 West
Use the straight lane.
29
Continue on US 287
29 mi·32 min·East 11th Street
30
Continue on US 287
2.8 mi·3 min·Avenue F Northeast
31
Continue on US 287
14 mi·14 min·US Highway 287
32
Continue on US 287
0.7 mi·1 min·Burnett Street
33
Continue on US 287
14 mi·13 min·US Highway 287
34
Turn straight onto US 287
26 mi·28 min·Boykin Drive
35
Continue on US 287
1.6 mi·1 min·East 2nd Street
36
Continue on US 287
28 mi·28 min·US Highway 287
37
Continue on US 287; FM 1151
1.1 mi·2 min·East 1st Street
38
Continue on US 287
20 mi·20 min·US Highway 287
39
Keep slight right at fork onto East Interstate Drive
329 ft·8 sec·East Interstate Drive
Toward East 3rd Avenue
40
Keep slight right at fork onto Southeast 3rd Avenue
2.6 mi·3 min·Southeast 3rd Avenue
41
Take the ramp
0.2 mi·26 sec
42
Merge onto Loop 335
4.1 mi·4 min·North Lakeside Drive
43
Continue on Loop 335
0.6 mi·36 sec·East Loop 335 North
44
Continue on Loop 335
4.7 mi·5 min·East Saint Francis Avenue
45
Turn right onto Dumas Drive
0.1 mi·15 sec·Dumas Drive
46
Take the ramp
0.2 mi·22 sec
47
Merge onto US 87; US 287
43 mi·44 min·US 87; US 287
48
Arrive at destination
US 287
Trip Plan
Given the 7h 12m estimated drive time, leaving Grand Prairie in the morning will allow you to reach Dumas with plenty of daylight. The route includes 2 planned stops, which can help break up the 403.9 miles. Keep an eye on your fuel, especially during the 103.4-mile segment on US 81, as services may be more spread out. The estimated fuel cost is around $59. Since this is a single-day trip, you have flexibility, but it's wise to have a general idea of where you'll take your breaks.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
You can normally do this drive in one day.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 201.9 miles from Grand Prairie, TX, or about 3h 37m into the drive.
The longest continuous stretch on this route runs about 103.4 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 89 miles or 1h 38m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 201.9 miles or 3h 37m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 6h 9m
Traffic, exits, and arrival timing usually matter more near Dumas, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving Grand Prairie, 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.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
Day 1
Settle into the route from Grand Prairie, TX
This is one driving day of about 403.9 miles and 7h 12m.
Your first comfortable stop window is around 89 miles from Grand Prairie, TX.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on US 81 for about 103.4 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 22
5 decision points cluster between mile 7.5 and 135.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
7.5 mi into trip|~10m in
Take the exit toward TX 183 West: DFW Airport
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Toward TX 183 West: DFW Airport
7
13.3 mi into trip|~17m in|Airport Freeway TEXpress
Take the exit onto Airport Freeway TEXpress toward TX 121 Express South, TX 183 Express West: Airport Freeway TEXpress West
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left lane.
Toward TX 121 Express South, TX 183 Express Wes...
7
25.3 mi into trip|~29m in
Keep slight right at fork toward I 35W Express North: Denton
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left / slight right lanes.
Toward I 35W Express North: Denton
7
28.4 mi into trip|~32m in
Take the exit toward US 81 North, US 287 North: Decatur
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.
Toward US 81 North, US 287 North: Decatur
9
135.8 mi into trip|~2h 28m in|US 287 / Northwest Freeway
Keep slight left at fork onto US 287 / Northwest Freeway toward US 287 North: Vernon, Amarillo
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / straight lanes.
Exit 3A
Toward US 287 North: Vernon, Amarillo
Fuel & Cost
Regular Gas
$55.32 one way
$110.64 round trip
$3.48/gal25.4 MPG avg141 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$3.89
$61.79
$123.59
premium
$4.23
$67.18
$134.37
diesel
$4.80
$76.26
$152.53
Estimated Tolls: $0.46
President George Bush Turnpike
(5.8 mi)$0.46
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
$55
Tolls
$0
Meals
$25–$50
Total
$81–$106
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 141.3 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $42 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
121.2
1
$42.41
$19.39
Efficient EV
101
1
$35.34
$16.16
EV Truck/SUV
161.6
2
$56.55
$25.85
Gas CO2
141 kg
EV CO2
47 kg (67% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
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 17, 2026
Origin
Grand Prairie, TX
Late night
in Grand Prairie on Sunday
Local time
2:47 AM
CDT
Current temp
75°F
Chance Showers And Thunderstorms
S 5 to 10 mph33% chanceLive forecast
Flood Warning
Flood Warning issued July 16 at 9:36PM CDT until July 18 at 8:00PM CDT by NWS Austin/San Antonio TX
Flood Warning
Flood Warning issued July 16 at 9:36PM CDT until July 19 at 1:00AM CDT by NWS Austin/San Antonio TX
Destination
Dumas, TX
Late night
in Dumas on Sunday
Local time
2:47 AM
CDT
Current temp
63°F
Mostly Clear
SSE 10 to 15 mph4% chanceLive forecast
Flood Warning
Flood Warning issued July 16 at 9:36PM CDT until July 18 at 8:00PM CDT by NWS Austin/San Antonio TX
Flood Warning
Flood Warning issued July 16 at 9:36PM CDT until July 19 at 1:00AM 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
12 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
7h 12m on the road
Start early — leave by 6-7 AM to arrive at a reasonable hour.
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.
Alibates Flint Quarries National Monument
National Monument
13,000 years ago, Alibates Flint was used by mammoth hunters as a source of flint for tools. Learn how important this site was to the survival, commerce, and culture of the people of the High Plains.
14 mi from route
~35 min detour
Free
near mile 376
Set within the wide‑open Texas Plains, Lake Meredith National Recreation Area offers a peaceful retreat in the heart of rugged grasslands. Over thousands of years, the Canadian River carved dramatic 2...
15 mi from route
~38 min detour
Free
near mile 376
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
With 79% of the drive on highways, you'll spend most of your time on US 81 and US Highway 287. Expect a long stretch of 103.4 miles on US 81 before transitioning to other roads. The profile is mostly highway, so anticipate consistent cruising speeds and fewer turns than a route with more surface roads. You'll notice the open, rural character typical of the Great Plains for most of this drive.
79% highway — fuel and pacing are the main things to plan.
48 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 103.4 mi on US 81.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on US 81 and US Highway 287. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 7.5 miles in.
Driving Effort10/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 22 significant decision points across 403.9 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 7.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 13.3 miles (Airport Freeway TEXpress): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 25.3 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Elevation Profile
Hilly terrain with moderate elevation changes
3,659 ft519 ft
Total Climb
3,908 ft
Total Descent
768 ft
Highest Point
3,659 ft
~403.9 mi in
Elevation Range
3,140 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Grand Prairie, TX and Dumas, TX, road signs point toward Denton and Amarillo.
Doable as a same-day drive at 7h 12m. Total distance: 403.9 miles.
Family Friendly
Moderate complexity with 2 natural rest stops along the way.
Solo Traveler
7h 12m drive, plan rest stops for pacing.
Frequently Asked Questions
The longest stretch is about 103.4 miles on US 81. The full list of main roads is in the Roads section above.
Expect about $0.46 in tolls one way, starting with President George Bush Turnpike. 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.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
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 Dumas, 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 2 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 7.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 13.3 miles (Airport Freeway TEXpress): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 25.3 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Alibates Flint Quarries National Monument and Lake Meredith National Recreation Area. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 7.2 hours each way, a round trip means 14.4 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Dumas, TX before the return drive.
