Connecting Palmer to Erie, this 172.4-mile journey takes approximately 3 hours and 45 minutes to complete. Because the trip is relatively short, it functions perfectly as a single-day excursion without the need for an overnight stay. You will primarily utilize I-79, the Mon/Fayette Expressway, and the Parkway North to navigate across the state. Budgeting around $29 for fuel should cover your travel costs comfortably. Since both the origin and destination are situated within the Northeast region of Pennsylvania, you can expect a consistent atmosphere throughout the drive. It is a straightforward, highway-focused route that favors efficiency over sightseeing.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
86.2 miles from Palmer, PA
A natural place for your longest stop of the day
, about 2h 8m into the drive
.
Main Roads
Road
Distance
Duration
I 79
111.2 mi
2h
Mon/Fayette Expressway
17.1 mi
18m
Parkway North
11.6 mi
16m
Brownsville Road Extension
3.9 mi
7m
Thornton Road
2.9 mi
5m
Brownsville Road
2.6 mi
4m
Saw Mill Run Boulevard
2.6 mi
5m
West 12th Street
2.3 mi
4m
Longest stretch:
I 79
— 111.2 mi, about 2h
Turn-by-Turn Driving Directions
Step-by-step road directions between Palmer, PA and Erie, PA.
1
Start on Tank Hill Road
157 ft·9 sec·Tank Hill Road
2
Turn right onto Palmer Road
0.5 mi·2 min·Palmer Road
3
Continue on Sr3013
523 ft·23 sec·Sr3013
4
Continue on Palmer Adah Road
1.2 mi·4 min·Palmer Adah Road
5
Turn right onto Ralph Road
0.9 mi·3 min·Ralph Road
6
Turn left onto PA 166
0.2 mi·26 sec·Hartley Hill Road
7
Continue on PA 166
1.4 mi·2 min·Thompson 1 Road
8
Continue on PA 166
1.7 mi·3 min·Tower Hill Road
9
Continue on PA 166
2.9 mi·5 min·Thornton Road
10
Turn left onto National Pike
0.9 mi·1 min·National Pike
11
Continue on Broadway Street
0.1 mi·14 sec·Broadway Street
12
At end of road, turn left onto US 40
2.0 mi·3 min·Market Street
Use the straight lane.
13
Take the exit
0.8 mi·1 min
Toward PA Turnpike 43 North: California
14
Merge onto PA Tpke 43
17 mi·18 min·Mon/Fayette Expressway
15
Take the exit
0.4 mi·59 sec
Exit 48Toward West Elizabeth, Finleyville
16
Turn left onto Finleyville Elrama Road
0.5 mi·51 sec·Finleyville Elrama Road
17
Turn right onto McChain Road
70 ft·1 sec·McChain Road
18
Keep slight left at fork onto McChain Road
1.7 mi·4 min·McChain Road
19
Turn straight onto Brownsville Road Extension
3.9 mi·7 min·Brownsville Road Extension
20
At end of road, turn left onto Brownsville Road
0.5 mi·1 min·Brownsville Road
Use the straight lane.
21
Turn left onto Brownsville Road
2.1 mi·3 min·Brownsville Road
Use the left lane.
22
Continue on Provost Road
1.3 mi·2 min·Provost Road
23
Continue on Provost Road
202 ft·7 sec·Provost Road
24
Turn left onto PA 51
0.3 mi·48 sec·Saw Mill Run Boulevard
25
Continue on PA 51; Blue Belt
2.3 mi·5 min·Saw Mill Run Boulevard
Use the straight lane.
26
Take the exit
0.1 mi·15 sec
Use the straight / slight right lanes.
27
Continue on this road
361 ft·12 sec·this road
28
Turn right onto Liberty Tunnels
1.2 mi·2 min·Liberty Tunnels
Use the right lane.
29
Continue on Liberty Bridge
0.5 mi·59 sec·Liberty Bridge
30
Take the exit
0.2 mi·26 sec
Toward I 579 North
31
Continue on I 579
0.4 mi·48 sec·Crosstown Boulevard
Use the straight / slight right lanes.
32
Continue on I 579
1.1 mi·1 min·Veterans Bridge
33
Continue on I 279
12 mi·16 min·Parkway North
34
Merge onto I 79
111 mi·2 hr·I 79
Use the straight / slight right lanes.
35
Take the exit
0.3 mi·49 sec
Exit 183AToward PA 5 East, PA 290 East: 12th Street
36
Turn right onto PA 5; PA 290
2.3 mi·4 min·West 12th Street
Use the straight / right lanes.
37
Turn left onto State Street
0.4 mi·1 min·State Street
Use the left lane.
38
Arrive at destination
State Street
Trip Plan
Since this is a manageable 3-hour and 45-minute drive, you have the flexibility to depart at your convenience without needing an aggressive schedule. Plan for at least one dedicated stop to break up the 172.4-mile trek and keep your focus sharp during the long I-79 segment. Because your total fuel cost is estimated at $29, filling up before you leave Palmer will likely get you most of the way to Erie. Keep a close eye on your mileage during the 111.2-mile stretch on I-79, as rest area availability can be sparse compared to local roads. Aiming to avoid peak traffic hours on the Parkway North will help ensure you maintain your estimated arrival time.
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 86.2 miles from Palmer, PA, or about 2h 8m into the drive.
The longest continuous stretch on this route runs about 111.2 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 38 miles or 1h 3m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 86.2 miles or 2h 8m 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 7m
Traffic, exits, and arrival timing usually matter more near Erie, PA than in the middle of the route.
Before You Leave
+
Open the route before leaving Palmer, PA 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 Palmer, PA
This is one driving day of about 172.4 miles and 3h 45m.
Your first comfortable stop window is around 38 miles from Palmer, PA.
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 79 for about 111.2 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 21
5 decision points cluster between mile 10.1 and 172 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
10.1 mi into trip|~23m in|US 40 / Market Street
At end of road, turn left onto US 40 / Market Street
Lane positioning matters here
Use the straight lane.
6
30 mi into trip|~47m in
Take the exit toward West Elizabeth, Finleyville
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 48
Toward West Elizabeth, Finleyville
6
36.6 mi into trip|~1h 1m in|Brownsville Road
At end of road, turn left onto Brownsville Road
Lane positioning matters here
Use the straight lane.
6
169.4 mi into trip|~3h 38m in
Take the exit toward PA 5 East, PA 290 East: 12th Street
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 183A
Toward PA 5 East, PA 290 East: 12th Street
6
172 mi into trip|~3h 43m in|State Street
Turn left onto State Street
Lane positioning matters here
Use the left lane.
Fuel & Cost
Regular Gas
$28.58 one way
$57.16 round trip
$4.21/gal25.4 MPG avg60 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.61
$31.30
$62.61
premium
$4.93
$33.43
$66.87
diesel
$5.61
$38.06
$76.13
Estimated Tolls: $1.20
Mon/Fayette Expressway
(17.1 mi)$1.20
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
$29
Tolls
$1
Meals
$25–$50
Total
$55–$80
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 60.3 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $18 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
51.7
0
$18.10
$8.28
Efficient EV
43.1
0
$15.08
$6.90
EV Truck/SUV
69
0
$24.14
$11.03
Gas CO2
60 kg
EV CO2
20 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 Apr 18, 2026
Origin
Palmer, PA
Morning
in Palmer on Sunday
Local time
6:36 AM
EDT
Current temp
79°F
Unavailable
Live forecast
Destination
Erie, PA
Morning
in Erie on Sunday
Local time
6:36 AM
EDT
Current temp
60°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
3h 45m 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.
National Parks Near This Route
Worth a detour if your schedule allows.
Fort Necessity National Battlefield
National Battlefield
The battle at Fort Necessity in the summer of 1754 was the opening action of the French and Indian War. This war was a clash of British, French and American Indian cultures. It ended with the removal...
19 mi from route
~47 min detour
Free
near mile 5.9
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
Expect a trip defined by its highway-focused nature, with 81% of your travel time spent on major thoroughfares. You will face a significant, uninterrupted 111.2-mile stretch on I-79, which sets the pace for the majority of the journey. The experience is primarily an interstate grind, requiring you to remain focused as you transition between the Mon/Fayette Expressway and the Parkway North. While the road lacks the technical curves of secondary backroads, the consistent speed makes for a predictable, high-mileage trek. You should prepare for a drive that prioritizes steady progress rather than varied terrain.
81% highway — fuel and pacing are the main things to plan.
38 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 111.2 mi on I 79.
How Hard Is This Drive?
8/10
This is a straightforward highway drive that stays mostly on I 79 and Mon/Fayette Expressway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 10.1 miles in near US 40 / Market Street.
Driving Effort8/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 21 significant decision points across 172.4 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 10.1 miles (US 40 / Market Street): Lane positioning matters here; at 30 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 36.6 miles (Brownsville Road): Lane positioning matters here.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Palmer, PA and Erie, PA, road signs point toward Pa Turnpike 43 North: California, Elizabeth and Finleyville.
Doable as a same-day drive at 3h 45m. Total distance: 172.4 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 45m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (81%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 111.2 miles on I 79. The full list of main roads is in the Roads section above.
Expect about $1.20 in tolls one way, starting with Mon/Fayette 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.
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 Erie, PA 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. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 10.1 miles (US 40 / Market Street): Lane positioning matters here; at 30 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 36.6 miles (Brownsville Road): Lane positioning matters here.
Yes — Fort Necessity National Battlefield. See the National Parks section for detour distances and tips on detours.
Possible but tiring. At 3.8 hours each way, an in-and-out day trip would put you behind the wheel for 7.5 hours — manageable with a long break at Erie, PA, but most travelers stay overnight.
