Origin
Port Allen, LA
Afternoon in Port Allen on Sunday
Local time
4:08 PM
CDT
Current temp
88°F
Unavailable
Live forecast
Trip from Port Allen, LA to Lafayette, LA
Drive Time
1h 5m
Distance
54.3 mi
87 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$8
one way
EV Charging
Loading...
station data
Best Time to Leave
4 AM
1h 0m
★
6 AM
1h 5m
8 AM
1h 16m
10 AM
1h 9m
12 PM
1h 8m
3 PM
1h 9m
5 PM
1h 15m
8 PM
1h 2m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Port Allen, LA
Liisbet Luup
Trip Overview
If you are planning a quick trip from Port Allen to Lafayette, you can expect to cover 54.2 miles in approximately 56 minutes. This straightforward journey stays entirely within Southeast Louisiana, making it an ideal candidate for a single-day excursion. With a modest fuel budget of about $7, it is a very economical route for travelers. You will navigate using a combination of Avenue A, Dr. Martin Luther King Jr. Memorial Highway, and I-10 West to reach your destination. Because the travel time is under an hour, there is no need to plan for an overnight stay, allowing you plenty of flexibility to complete the drive and return home or start your activities in Lafayette on the same day.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
0 planned breaks
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
27.1 miles from Port Allen, LA
A natural place for your longest stop of the day , about 31m into the drive .
Drive Character
This drive functions primarily as a turn-heavy local route rather than a long-haul interstate cruise. You will spend your time navigating through local connections, as the highway share for this 54.2-mile trip is 0%. Because the path relies on local roads like Avenue A, you should be prepared for frequent maneuvering rather than long, uninterrupted stretches of pavement. In fact, the longest stretch on Avenue A is 0 miles, confirming that you will be making consistent turns throughout the journey. Expect a driving experience that requires your full attention as you transition between these specific local thoroughfares.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 12 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 10 is the longest continuous segment at about 50.2 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 10 and Northwest Evangeline Thruway. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.1 miles in near Avenue A.
Route Complexity
3/10
Easy - simple navigation with a manageable amount of wheel time
This is a straightforward 1h 5m drive. You will face about 7 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (Avenue A): Navigation decision point; at 0.9 miles (I 10): Merge point - match speed before joining. Lane positioning matters here; at 51.2 miles: Exit ramp - move to the correct lane early.
Critical Maneuvers
5 of 7 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
4
0.1 mi into trip
|
~0m in
|
Avenue A
Turn right onto Avenue A
Navigation decision point
5
0.9 mi into trip
|
~1m in
|
I 10
Merge onto I 10
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
4
51.2 mi into trip
|
~59m in
Take the exit toward US 167: Morgan City
Exit ramp - move to the correct lane early
Toward US 167: Morgan City
4
53.7 mi into trip
|
~1h 3m in
|
Jefferson Boulevard
Turn right onto Jefferson Boulevard
Navigation decision point
4
54.2 mi into trip
|
~1h 4m in
|
Rue Vermilion Ouest
Turn right onto Rue Vermilion Ouest
Navigation decision point
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 10 | 50.2 mi | 57m |
| Northwest Evangeline Thruway | 1.9 mi | 3m |
| Dr Martin Luther King Jr Memorial Highway | 0.4 mi | <1m |
| Veterans Memorial Expressway | 0.3 mi | <1m |
| Rue Jefferson | 0.3 mi | <1m |
| Jefferson Boulevard | 0.2 mi | <1m |
| Rue Vermilion Ouest | <0.1 mi | <1m |
| South Alexander Avenue | <0.1 mi | <1m |
Longest stretch:
I 10
— 50.2 mi, about 57m
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Allen, LA and Lafayette, LA.
1
Start on South Alexander Avenue
304 ft
·
12 sec
·
South Alexander Avenue
2
Turn right onto Avenue A
52 ft
·
2 sec
·
Avenue A
3
Turn left onto LA 1
0.4 mi
·
46 sec
·
Dr Martin Luther King Jr Memorial Highway
4
Take the ramp
0.5 mi
·
56 sec
Toward I 10 West: Lafayette
5
Merge onto I 10
50 mi
·
57 min
·
I 10
Use the straight / slight right lanes.
6
Take the exit
0.3 mi
·
41 sec
Toward US 167: Morgan City
7
Merge onto I 49
0.3 mi
·
23 sec
·
Veterans Memorial Expressway
8
Continue on I 49; LA 182
1.9 mi
·
3 min
·
Northwest Evangeline Thruway
9
Turn right onto Jefferson Boulevard
0.2 mi
·
33 sec
·
Jefferson Boulevard
10
Continue on Rue Jefferson
0.3 mi
·
51 sec
·
Rue Jefferson
11
Turn right onto Rue Vermilion Ouest
335 ft
·
16 sec
·
Rue Vermilion Ouest
12
Arrive at destination
Rue Vermilion Ouest
Trip Plan
Since this is a short trip of less than an hour, you have the advantage of total scheduling flexibility. You do not need to worry about planning long rest stops or refueling breaks, as the $7 fuel cost is easily manageable in a single tank. To make the most of your time, try to avoid peak local traffic hours to ensure you maintain that 56-minute travel estimate. Keep in mind that because this route consists of local roads rather than a long highway haul, you should stay alert for turn-heavy transitions. A solid tip for this specific drive is to double-check your navigation before departing, as the reliance on local roads like Avenue A requires being ready for frequent directional changes compared to a standard interstate highway route.
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 27.1 miles from Port Allen, LA, or about 31m into the drive.
The longest continuous stretch on this route runs about 50.2 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 54.3 miles or 1h 5m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 27.1 miles or 31m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 53m
Traffic, exits, and arrival timing usually matter more near Lafayette, LA than in the middle of the route.
Before You Leave
+
Open the route before leaving Port Allen, LA 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 Port Allen, LA
This is one driving day of about 54.3 miles and 1h 5m.
Your first comfortable stop window is around 80 miles from Port Allen, LA.
This route can stay practical as a one-day drive if traffic stays reasonable.
You may only need one short stretch stop if conditions stay smooth.
The longest stretch is on I 10 for about 50.2 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 27.1 mi from Port Allen, LA · 31m into the drive
Mid-route town
Meal stop
27 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
Fuel and coffee
A short stop after about 54.3 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 27.1 miles from Port Allen, LA, which is a good place for a longer meal and fuel stop.
Arriving in Lafayette, LA
The final approach into Lafayette, LA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Lafayette, LA.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$8.30 one way
$16.60 round trip
$3.88/gal
25.4 MPG avg
19 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.26 | $9.10 | $18.21 |
| premium | $4.61 | $9.86 | $19.71 |
| diesel | $5.64 | $12.06 | $24.13 |
Estimated Tolls: $0.13
Northwest Evangeline Thruway
(1.9 mi)
$0.13
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
$8
Tolls
$0
Meals
$25–$50
Total
$33–$58
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 19 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $6 in charging · 0 stops · 68% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 16.3 | 0 | $5.70 | $2.61 |
| Efficient EV | 13.6 | 0 | $4.75 | $2.17 |
| EV Truck/SUV | 21.7 | 0 | $7.60 | $3.48 |
Gas CO2
19 kg
EV CO2
6 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.
Destination
Lafayette, LA
Afternoon in Lafayette on Sunday
Local time
4:08 PM
CDT
Current temp
69°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
19 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
1h 5m 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 Port Allen, LA to Lafayette, LA covers 54.3 miles and takes about 1h 5m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 10, Northwest Evangeline Thruway, Dr Martin Luther King Jr Memorial Highway. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 27.1 miles from Port Allen, LA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $8.30 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 1h 5m drive. You will face about 7 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: at 0.1 miles (Avenue A): Navigation decision point; at 0.9 miles (I 10): Merge point - match speed before joining. Lane positioning matters here; at 51.2 miles: Exit ramp - move to the correct lane early.
The route from Port Allen, LA to Lafayette, LA does not surface many named destination signs beyond the main corridor.
Was this route helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore More
Continue From Lafayette, LA
More from Port Allen, LA
More trips to Lafayette, LA
Explore more options from Port Allen, LA or browse trips ending in Lafayette, LA.
Looking for more statewide routes? Browse LA road trips.
Explore maps for Port Allen, LA or Lafayette, LA on MapSof.net.