Erie to Westmont is 200.5 miles and takes about 4h 12m via US 422, with a fuel budget near $34 and enough daylight to finish in a day. This trip stays within Pennsylvania, moving from the Northeast region to the same region. The route is mostly a mix of highway and surface roads, making it a straightforward drive for a single day. With a recommended one-day trip, you'll have ample time to reach your destination without feeling rushed. Consider this a practical option for getting from point A to point B efficiently.
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
100.2 miles from Erie, PA
A natural place for your longest stop of the day
, about 1h 55m into the drive
.
Main Roads
Road
Distance
Duration
US 422
88.7 mi
2h
Raymond P Shafer Highway
84.1 mi
1h 30m
William Penn Highway
16.4 mi
19m
West 12th Street
2 mi
4m
I 99
1.6 mi
1m
Logan Boulevard
1.4 mi
2m
West Plank Road
1.1 mi
1m
West High Street
0.7 mi
1m
Longest stretch:
US 422
— 88.7 mi, about 2h
Traffic on I-79
Hour-of-day weekday pattern from 8 FHWA count stations on your route.
Peak
3 PM
~770 veh/hr typical
· worst 1,142
Quietest
2 AM
~47 veh/hr
Peak-to-quiet ratio
16.4×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 104 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 Erie, PA and Westmont, PA.
1
Start on State Street
0.4 mi·1 min·State Street
2
Turn right onto PA 5; PA 290
2.0 mi·4 min·West 12th Street
Use the straight lane.
3
Turn right onto Greengarden Boulevard
0.1 mi·23 sec·Greengarden Boulevard
Use the straight / right lanes.
4
Turn left onto West Bayfront Parkway
0.2 mi·20 sec·West Bayfront Parkway
5
Continue on I 79
84 mi·1 hr 30 min·Raymond P Shafer Highway
Use the straight / right lanes.
6
Take the exit
0.2 mi·29 sec
Exit 99Toward US 422: Butler, New CastleUse the right lane.
7
Turn right onto US 422
38 mi·51 min·US 422
8
Take the exit onto US 422
0.3 mi·33 sec·US 422
Toward US 422 East, US 422 Business West: Indiana
9
Keep slight right at fork onto US 422
51 mi·1 hr 8 min·US 422
Use the straight lane.
10
Continue on West High Street
0.7 mi·1 min·West High Street
11
Turn slight right onto Rowena Drive
0.6 mi·1 min·Rowena Drive
12
Merge onto Admiral Peary Highway
0.2 mi·28 sec·Admiral Peary Highway
Toward US 22 East: Hollidaysburg
13
Turn left
0.3 mi·35 sec
Toward US 22 East: HollidaysburgUse the left lane.
14
Merge onto US 22
16 mi·19 min·William Penn Highway
15
Continue on this road
0.5 mi·45 sec·this road
Toward I 99, US 220: Altoona, Bedford
16
Keep slight left at fork
0.9 mi·1 min
Toward I 99 North, US 220 North: Altoona
17
Merge onto I 99; US 220
1.6 mi·1 min·I 99; US 220
18
Take the exit
0.4 mi·1 min
Toward Plank Road
19
At end of road, turn left onto US 220 Business
1.1 mi·1 min·West Plank Road
20
Turn left onto Logan Boulevard
1.4 mi·2 min·Logan Boulevard
21
Continue on Beale Avenue
0.2 mi·21 sec·Beale Avenue
22
Turn left onto 31st Street
0.3 mi·33 sec·31st Street
23
Turn right onto Walnut Avenue
0.3 mi·38 sec·Walnut Avenue
24
Turn right onto 28th Street
303 ft·15 sec·28th Street
25
Turn right onto Oak Avenue
74 ft·3 sec·Oak Avenue
26
Arrive at destination
Oak Avenue
Trip Plan
For this 4-hour drive, leaving in the morning is ideal to maximize daylight and allow for a relaxed pace. Since it’s a single-day trip, you can be flexible with your departure time. Keep an eye on your fuel gauge, especially during the 88.7-mile stretch on US 422, as services might be less frequent. There's one recommended stop, so plan it around the halfway point or when you feel ready for a break. The mix of highway and surface roads means you'll need to adjust your speed and awareness accordingly.
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 100.2 miles from Erie, PA, or about 1h 55m into the drive.
The longest continuous stretch on this route runs about 88.7 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 44 miles or 50m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 100.2 miles or 1h 55m 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 22m
Traffic, exits, and arrival timing usually matter more near Westmont, PA than in the middle of the route.
Before You Leave
+
Open the route before leaving Erie, 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 Erie, PA
This is one driving day of about 200.5 miles and 4h 12m.
Your first comfortable stop window is around 44 miles from Erie, 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 US 422 for about 88.7 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 17
5 decision points cluster between mile 0.4 and 177.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0.4 mi into trip|~1m in|PA 5; PA 290 / West 12th Street
Turn right onto PA 5; PA 290 / West 12th Street
Lane positioning matters here
Use the straight lane.
6
2.4 mi into trip|~5m in|Greengarden Boulevard
Turn right onto Greengarden Boulevard
Lane positioning matters here
Use the straight / right lanes.
8
86.8 mi into trip|~1h 36m in
Take the exit toward US 422: Butler, New Castle
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the right lane.
Exit 99
Toward US 422: Butler, New Castle
6
125.1 mi into trip|~2h 29m in|US 422
Keep slight right at fork onto US 422
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight lane.
7
177.1 mi into trip|~3h 41m in
Turn left toward US 22 East: Hollidaysburg
Lane positioning matters here
Use the left lane.
Toward US 22 East: Hollidaysburg
Fuel & Cost
Regular Gas
$35.17 one way
$70.35 round trip
$4.46/gal25.4 MPG avg70 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.92
$38.83
$77.66
premium
$5.30
$41.82
$83.64
diesel
$6.55
$51.74
$103.47
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$35
Meals
$25–$50
Total
$60–$85
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 70.2 kg one way.
Driving Electric?
About $21 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
60.2
0
$21.05
$9.62
Efficient EV
50.1
0
$17.54
$8.02
EV Truck/SUV
80.2
1
$28.07
$12.83
Gas CO2
70 kg
EV CO2
23 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 Oct 16, 2026
Origin
Erie, PA
Morning
in Erie on Saturday
Local time
10:02 AM
EDT
Current temp
67°F
Showers And Thunderstorms
SW 18 mph85% chanceLive forecast
Destination
Westmont, PA
Morning
in Westmont on Saturday
Local time
10:02 AM
EDT
Current temp
67°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
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
4h 12m 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.
National Parks Near This Route
Worth a detour if your schedule allows.
Johnstown Flood National Memorial
National Memorial
The South Fork Dam failed on Friday, May 31, 1889, and unleashed 20,000,000 tons of water that devastated Johnstown, PA. The flood killed 2,209 people but it brought the nation and the world together...
10 mi from route
~26 min detour
Free
near mile 179.7
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
About 45% of this drive is on highways, with the remaining 55% on surface roads. You'll encounter a significant stretch of 88.7 miles on US 422. This means you'll transition from higher-speed highway driving to more varied surface road conditions. Expect a mixed driving experience as you navigate through different types of terrain and traffic patterns.
45% highway, the rest on surface roads — varied driving throughout.
26 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 88.7 mi on US 422.
How Hard Is This Drive?
8/10
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.4 miles in near PA 5; PA 290 / West 12th 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 17 significant decision points across 200.5 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 0.4 miles (PA 5; PA 290 / West 12th Street): Lane positioning matters here; at 2.4 miles (Greengarden Boulevard): Lane positioning matters here; at 86.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Gently rolling terrain
2,330 ft653 ft
Total Climb
2,142 ft
Total Descent
1,616 ft
Highest Point
2,330 ft
~171.8 mi in
Elevation Range
1,677 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 Erie, PA to Westmont, PA, road signs begin pointing toward New Castle along the way.
Johnstown is a city in Cambria County, Pennsylvania, 41 miles (66 km) west-southwest of Altoona, and 70 miles (110 km) east of Pittsburgh. The Conemaugh River forms at Johnstown from its tributaries, the Stonycreek River and the Little Conemaugh.
Doable as a same-day drive at 4h 12m. Total distance: 200.5 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
4h 12m drive, comfortable solo distance.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 88.7 miles on US 422. The full list of main roads is in the Roads section above.
Yes — we found about 12 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 Westmont, 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. There are 12 rest areas along the route for bathroom stops.
The main spots that need attention: at 0.4 miles (PA 5; PA 290 / West 12th Street): Lane positioning matters here; at 2.4 miles (Greengarden Boulevard): Lane positioning matters here; at 86.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Johnstown Flood National Memorial. See the National Parks section for detour distances and tips on detours.
Possible but tiring. At 4.2 hours each way, an in-and-out day trip would put you behind the wheel for 8.4 hours — manageable with a long break at Westmont, PA, but most travelers stay overnight.
