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Trip from Katy, TX to Plano, 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 52m

Distance

274.3 mi

441 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$38

one way

EV Charging

Unknown

Best Time to Leave

Save up to 40 min
4 AM
4h 39m ★
6 AM
4h 52m
8 AM
5h 19m
10 AM
5h 1m
12 PM
4h 59m
3 PM
5h 3m
5 PM
5h 18m
8 PM
4h 44m

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

Downtown Katy, TX, TX

Katy, TX

Wikimedia Commons

city in Collin and Denton counties in Texas, United States

Plano, TX

Wikimedia Commons

Trip Overview

Katy, TX to Plano, TX is 274.3 miles and takes about 4h 52m via I 45 and West Grand Parkway North, with a fuel budget near $40 and enough daylight to finish in a day. This trip stays within Texas, moving from the Great Plains region to another part of the Great Plains. Expect a straightforward, mostly highway drive with minimal fuss. With a recommended single day of travel and a fuel cost under $50, this route is ideal for a quick trip or an easy leg of a longer adventure.

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

137.2 miles from Katy, TX

A natural place for your longest stop of the day , about 2h 27m into the drive .

Main Roads

Road Distance Duration
I 45 214 mi 3h 41m
West Grand Parkway North 37.8 mi 41m
North Central Expressway 16.6 mi 18m
Highway Boulevard 1.1 mi 1m
Katy Freeway 0.8 mi <1m
East 15th Street 0.6 mi 1m
US 90 0.3 mi <1m
Katy Freeway Frontage Road <0.1 mi <1m
Longest stretch: I 45 — 214 mi, about 3h 41m

Traffic on I-45

Hour-of-day weekday pattern from 36 FHWA count stations on your route.

Peak

4 PM

~1,927 veh/hr typical · worst 2,389

Quietest

2 AM

~288 veh/hr

Peak-to-quiet ratio

6.7×

busier at peak than in the quiet hours

12a 6a noon 6p 11p

Averaged across 45 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 Katy, TX and Plano, TX.

1

Start on US 90

1.1 mi · 1 min · Highway Boulevard
2

Turn left onto US 90

227 ft · 4 sec · Katy Freeway Frontage Road
Use the left lane.
3

Take the ramp onto US 90

0.3 mi · 43 sec · US 90
Toward I 10 East
4

Merge onto I 10; US 90

0.8 mi · 52 sec · Katy Freeway
5

Take the exit

0.4 mi · 44 sec
Exit 743B Toward TX 99 Toll North, TX 99 South: Grand Parkway Use the straight / slight right lanes.
6

Keep slight left at fork

0.6 mi · 1 min
Toward TX 99 Toll North: Grand Parkway Use the slight left lane.
7

Keep slight left at fork

0.2 mi · 20 sec
Toward TX 99 Toll North
8

Merge onto TX 99 Toll

38 mi · 41 min · West Grand Parkway North
Use the straight / slight right lanes.
9

Take the exit

1.4 mi · 3 min
Toward I 45 North: Dallas Use the slight right lane.
10

Merge onto I 45

214 mi · 3 hr 41 min · I 45
Use the straight / slight right lanes.
11

Continue on US 75

15 mi · 16 min · North Central Expressway
Use the straight / right lanes.
12

Take the exit

0.4 mi · 52 sec
Exit 28A Toward Plano Parkway, 15th Street Use the straight / slight right lanes.
13

Turn straight onto North Central Expressway

1.4 mi · 2 min · North Central Expressway
Use the straight / left / right lanes.
14

Turn right onto East 15th Street

0.6 mi · 1 min · East 15th Street
Use the straight / right lanes.
15

Arrive at destination

East 15th Street

Trip Plan

Given the 4-hour drive time, leaving Katy, TX in the morning allows you to reach Plano, TX with plenty of daylight to spare. You'll want to plan for just one stop, perhaps midway through the 214-mile stretch on I 45, to stretch your legs and refuel. Keep an eye on your fuel gauge, as the estimated cost is around $40, and it's always better to top off before hitting less populated stretches. Since this is a single-day drive, you have the flexibility to depart later if needed.

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 137.2 miles from Katy, TX, or about 2h 27m into the drive.
The longest continuous stretch on this route runs about 214 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 60 miles or 1h 7m in

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

Halfway reset

Around 137.2 miles or 2h 27m 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 58m

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

Before You Leave

+

Open the route before leaving Katy, 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 Katy, TX

This is one driving day of about 274.3 miles and 4h 52m.

Your first comfortable stop window is around 60 miles from Katy, 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 45 for about 214 miles.

Where to Stop

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

town in Ellis County, Texas, United States

Mid-route town

Meal stop

Italy, TX

137 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

Houston, TX

Fuel and coffee

A short stop after about 60 miles helps settle the day before fatigue starts building.

Italy, TX

Meal break

The midpoint is around 137.2 miles from Katy, TX, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before I 45 if your tank is already low. That segment runs about 214 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.

Love's Travel Stop

0.1 mi from route

Love's Travel Stop

0.1 mi from route

Buc-ee's

0.1 mi from route

Love's Travel Stop

0.1 mi from route

Road Ranger

0.1 mi from route

TA Express

0.1 mi from route

QuikTrip

0.1 mi from route

Love's Travel Stop

0.2 mi from route

Pilot Travel Center

0.2 mi from route

Navarro County Northbound Rest Area

0.2 mi from route

TA Express

0.2 mi from route

Buc-ee's

0.2 mi from route

QuikTrip

0.2 mi from route

Walker County Southbound Rest Area

0.3 mi from route

Walker County Northbound Rest Area

0.3 mi from route

Navarro County Southbound Rest Area

0.3 mi from route

Pilot Travel Center

0.3 mi from route

QuikTrip

0.3 mi from route

Rest Area

0.8 mi from route

Flying J Travel Center

1.4 mi from route

Service Plaza

1.4 mi from route

Buc-ee's

1.5 mi from route

TA

1.6 mi from route

SoPac Trail Rest Area

1.9 mi from route

City Park

4.6 ★ ★ ★ ★ ★

Near the end, right off the route

Home stretch 0.6 mi from route ~1 min detour

Dallas, Texas

Hours: 10 am–5 pm

+19724823055

Visit website

Candy Cane Park

4.7 ★ ★ ★ ★ ★

Early in the drive, right off the route

Early stretch 0.8 mi from route ~2 min detour

Conroe, Texas

Hours: 9 am–11 pm

+19365223804

Visit website

Dark Hour Haunted House

4.5 ★ ★ ★ ★ ★

Near the end, right off the route

Home stretch 0.8 mi from route ~2 min detour

Plano, Texas

+14692980556

Visit website

Katy Heritage Park

4.7 ★ ★ ★ ★ ★

Near the start, right off the route

0.4 mi from route ~1 min detour

Katy, Texas

Hours: 6 am–9 pm

+12813914840

Visit website

11th Hour Escape

4.5 ★ ★ ★ ★ ★

Near the end, right off the route

Home stretch 0.9 mi from route ~2 min detour

Plano, Texas

Hours: 12–5:30 pm

+14692095978

Visit website

Heritage Farmstead Museum

4.6 ★ ★ ★ ★ ★

Near the end, short detour

Home stretch 1.9 mi from route ~5 min detour

Plano, Texas

Hours: Closed

+19728810140

Visit website

Zube Park

4.6 ★ ★ ★ ★ ★

Near the start, short detour

First break 2.4 mi from route ~6 min detour

Hockley, Texas

Hours: 7 am–9 pm

+12813538100

Visit website

Geronimo Adventure Park

4.9 ★ ★ ★ ★ ★

Near the start, short detour

First break 3.2 mi from route ~8 min detour

Spring, Texas

Hours: 12–6 pm

+18303655867

Visit website

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

Heads-up: tricky spots

5 of 12

5 decision points cluster between mile 2.3 and 273.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

8
2.3 mi into trip | ~3m in

Take the exit toward TX 99 Toll North, TX 99 South: Grand Parkway

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 743B Toward TX 99 Toll North, TX 99 South: Grand Par...
7
2.7 mi into trip | ~4m in

Keep slight left at fork toward TX 99 Toll North: Grand Parkway

Highway fork - watch signs carefully. Lane positioning matters here

Use the slight left lane. Toward TX 99 Toll North: Grand Parkway
6
41.3 mi into trip | ~46m in

Take the exit toward I 45 North: Dallas

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

Use the slight right lane. Toward I 45 North: Dallas
8
271.9 mi into trip | ~4h 47m in

Take the exit toward Plano Parkway, 15th Street

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 28A Toward Plano Parkway, 15th Street
6
273.7 mi into trip | ~4h 50m in | East 15th Street

Turn right onto East 15th Street

Lane positioning matters here

Use the straight / right lanes.

Fuel & Cost

Regular Gas

$37.57 one way

$75.14 round trip

$3.48/gal 25.4 MPG avg 96 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $3.89 $41.97 $83.93
premium $4.23 $45.63 $91.25
diesel $4.80 $51.79 $103.59

Estimated Tolls: $1.32

Central Expressway (16.6 mi) $1.32

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

$38

Tolls

$1

Meals

$25–$50

Total

$64–$89

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

Estimated CO2 emission: 96 kg one way. Prices: EIA weekly data, 2026-07-13.

Driving Electric?

About $29 in charging · 1 stop · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 82.3 1 $28.80 $13.17
Efficient EV 68.6 0 $24.00 $10.97
EV Truck/SUV 109.7 1 $38.40 $17.56

Gas CO2

96 kg

EV CO2

32 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 20, 2026

Origin

Katy, TX

Late night in Katy on Monday

Local time

5:12 AM

CDT

Current temp

74°F

Mostly Clear

SW 5 to 10 mph 1% chance Live forecast

Severe Thunderstorm Warning

Severe Thunderstorm Warning issued July 19 at 8:11PM CDT until July 19 at 9:00PM CDT by NWS Midland/Odessa TX

Special Weather Statement

Special Weather Statement issued July 19 at 8:08PM CDT by NWS Midland/Odessa TX

Destination

Plano, TX

Late night in Plano on Monday

Local time

5:12 AM

CDT

Current temp

80°F

Slight Chance Showers And Thunderstorms then Mostly Clear

S 5 to 10 mph 20% chance Live forecast

Severe Thunderstorm Warning

Severe Thunderstorm Warning issued July 19 at 8:11PM CDT until July 19 at 9:00PM CDT by NWS Midland/Odessa TX

Special Weather Statement

Special Weather Statement issued July 19 at 8:08PM CDT by NWS Midland/Odessa TX

100°F

Italy, TX

137 mi in

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

6 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 52m 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.

What kind of drive is this?

This drive is 98% highway, meaning you'll spend almost all 4 hours and 52 minutes on high-speed roads. The longest stretch without a significant change in road type is 214 miles, primarily on I 45. You'll notice a high concentration of exits and potential for merging traffic as you approach the Dallas-Fort Worth metroplex, especially on North Central Expressway.

98% highway — fuel and pacing are the main things to plan.
15 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 214 mi on I 45.

How Hard Is This Drive?

8/10

This is a straightforward highway drive that stays mostly on I 45 and West Grand Parkway North. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 2.3 miles in.

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 12 significant decision points across 274.3 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 2.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 2.7 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 41.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

Elevation Profile

Mostly flat terrain

668 ft 138 ft

Total Climb

745 ft

Total Descent

215 ft

Highest Point

668 ft

~274.3 mi in

Elevation Range

530 ft

About the Cities

Starting in Katy, TX

Full guide →

Founded 1945

Katy is a town in Southeastern Texas, just west of Houston, with rich history and a little bit of small town charm. It used to be a railroad town along the Missouri–Kansas–Texas railroad. In the 1960s, Houston started growing, eventually making Katy part of its surrounding area. Katy is a place to see for its heritage and historical sights, as well as other attractions to visit, with many being more popular than historical locations.

Top landmarks

  • B. Ray and Charlotte Woods House — building in Katy, Fort Bend County, Texas

Arriving in Plano, TX

Full guide →

Founded 1873

Plano is a city of 285,000 people (2020) in the Dallas-Fort Worth Metroplex region of Texas and is north of Dallas. It is home to the headquarters of several large corporations.

Top landmarks

  • Heritage Farmstead Museum — building in Texas, United States
  • Plano Station, Texas Electric Railway — historic place in Plano, Collin 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 52m. Total distance: 274.3 miles.

Family Friendly

Moderate complexity with 1 natural rest stops along the way.

Solo Traveler

4h 52m drive, comfortable solo distance.

First-Time Driver

Mostly highway driving (98%). Some complex stretches to watch for.

Frequently Asked Questions

The longest stretch is about 214 miles on I 45. The full list of main roads is in the Roads section above.

Expect about $1.32 in tolls one way, starting with Central Expressway. 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 24 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 Plano, 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 24 rest areas along the route for bathroom stops.

The main spots that need attention: at 2.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 2.7 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 41.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

Possible but tiring. At 4.9 hours each way, an in-and-out day trip would put you behind the wheel for 9.7 hours — manageable with a long break at Plano, 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, and FHWA TMAS for hourly traffic volumes. See our methodology for refresh cadence and limitations.

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