Ann Arbor to Ecorse is 35.5 miles and takes about 48 minutes via I-94 and Southfield Road, with a fuel budget near $6 and enough daylight to finish in a day. This short trip stays within Michigan's Midwest region, offering a straightforward connection between two nearby cities. It's a practical route for a quick errand or a visit to a neighboring community. Given its brevity, this drive is ideal for a same-day excursion without the need for overnight planning.
Main Roads
Road
Distance
Duration
I 94
27 mi
28m
Southfield Road
4.1 mi
8m
South State Street
2.8 mi
6m
High Street
0.2 mi
<1m
Longest stretch:
I 94
— 27 mi, about 28m
Traffic on I-94
Hour-of-day weekday pattern from 12 FHWA count stations on your route.
Peak
4 PM
~3,782 veh/hr typical
· worst 4,655
Quietest
2 AM
~277 veh/hr
Peak-to-quiet ratio
13.7×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 102 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 Ann Arbor, MI and Ecorse, MI.
1
Start on South State Street
2.8 mi·6 min·South State Street
Use the straight lane.
2
Take the ramp
0.2 mi·42 sec
Toward I 94 East: DetroitUse the right lane.
3
Merge onto I 94
27 mi·28 min·I 94
Use the straight / slight right lanes.
4
Take the exit
0.2 mi·25 sec
Exit 204Toward M 39: Southfield Freeway, Pelham RoadUse the straight / slight right lanes.
5
Keep slight left at fork
0.5 mi·59 sec
Toward M 39: Southfield FreewayUse the straight / slight right lanes.
6
Keep slight right at fork
0.5 mi·1 min
Toward M 39 South: Southfield HighwayUse the slight right lane.
7
Continue on M 39
0.4 mi·48 sec·Southfield Road
8
Keep slight right at fork onto M 39
3.7 mi·8 min·Southfield Road
9
Turn left onto High Street
0.2 mi·37 sec·High Street
10
Arrive at destination
High Street
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
The midpoint is around 17.7 miles from Ann Arbor, MI, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 8
5 decision points cluster between mile 2.8 and 30.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
2.8 mi into trip|~6m in
Take the ramp toward I 94 East: Detroit
Lane positioning matters here
Use the right lane.
Toward I 94 East: Detroit
5
3.1 mi into trip|~7m in|I 94
Merge onto I 94
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
8
30 mi into trip|~36m in
Take the exit toward M 39: Southfield Freeway, Pelham Road
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 204
Toward M 39: Southfield Freeway, Pelham Road
7
30.2 mi into trip|~36m in
Keep slight left at fork toward M 39: Southfield Freeway
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward M 39: Southfield Freeway
7
30.7 mi into trip|~37m in
Keep slight right at fork toward M 39 South: Southfield Highway
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward M 39 South: Southfield Highway
Fuel & Cost
Regular Gas
$5.50 one way
$11.01 round trip
$3.94/gal25.4 MPG avg12 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.32
$6.04
$12.07
premium
$4.93
$6.89
$13.78
diesel
$5.60
$7.83
$15.65
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$6
Estimated CO2 emission: 12.4 kg one way.
Prices: EIA weekly data, 2026-08-31.
Driving Electric?
About $4 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
10.7
0
$3.73
$1.70
Efficient EV
8.9
0
$3.11
$1.42
EV Truck/SUV
14.2
0
$4.97
$2.27
Gas CO2
12 kg
EV CO2
4 kg (67% 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 Sep 1, 2026
Origin
Ann Arbor, MI
Late night
in Ann Arbor on Friday
Local time
4:03 AM
EDT
Current temp
72°F
Chance Showers And Thunderstorms
SW 6 to 9 mph48% chanceLive forecast
Beach Hazards Statement
Beach Hazards Statement issued August 31 at 12:05PM EDT until August 31 at 11:00PM EDT by NWS Grand Rapids MI
Destination
Ecorse, MI
Late night
in Ecorse on Friday
Local time
4:03 AM
EDT
Current temp
74°F
Chance Showers And Thunderstorms
SSW 6 to 9 mph50% chanceLive forecast
Beach Hazards Statement
Beach Hazards Statement issued August 31 at 12:05PM EDT until August 31 at 11:00PM EDT by NWS Grand Rapids MI
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
2 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
48m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
You'll spend most of your time on the highway, with 76% of the 35.5-mile drive on major roads like I-94. The longest continuous stretch on the highway is 27 miles, offering a chance for consistent cruising. Expect to transition from I-94 to surface streets like Southfield Road and South State Street for the final portion of the trip, which will involve more local traffic and intersections.
76% highway — fuel and pacing are the main things to plan.
10 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 27 mi on I 94.
How Hard Is This Drive?
8/10
This is a straightforward highway drive that stays mostly on I 94 and Southfield Road. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 2.8 miles in.
Driving Effort8/10
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 8 decision points packed into just 35.5 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 48m.
Where does it get tricky?
The main spots that need attention: at 2.8 miles: Lane positioning matters here; at 3.1 miles (I 94): Merge point - match speed before joining. Lane positioning matters here; at 30 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Mostly flat terrain
877 ft579 ft
Total Climb
38 ft
Total Descent
335 ft
Highest Point
877 ft
Elevation Range
297 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Ann Arbor, MI to Ecorse, MI, road signs begin pointing toward M 39 South: Southfield Highway along the way.
Ann Arbor — often abbreviated as AA or A2 — is a picturesque city surrounding the University of Michigan. It has a strong bent toward the arts, and an attractive and pedestrian-friendly downtown. Visitors enjoy the city's wonderful sidewalk cafe dining, unique shops, lots of bookstores, and abundant cultural opportunities.
Ann Arbor is in Michigan 35 miles (56 km) north of the Ohio border and 45 miles (72 km) west of Detroit, near where the furthest exurban fringes give way to country and small towns. In 2019, the city had a population of about 120,000 people, and thousands of visitors come to town for football games and various festivals.
Top landmarks
•Detroit Observatory — astronomical observatory in Ann Arbor, United States of America
•Kelsey Museum of Archaeology — archaeology museum in Newberry Hall
•Ann Arbor Hands-On Museum — museum in Ann Arbor, Michigan, USA
Doable as a same-day drive at 48m. Total distance: 35.5 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
48m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (76%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 27 miles on I 94. 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 Ecorse, MI 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 2.8 miles: Lane positioning matters here; at 3.1 miles (I 94): Merge point - match speed before joining. Lane positioning matters here; at 30 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 Ecorse, MI before heading back.
