Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
1h 6m
Distance
51.3 mi
83 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$9
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Allentown, PA
Wikimedia Commons
Bryn Mawr, PA
Michael Taccetta
Allentown to Bryn Mawr is 51.3 miles and takes about 1 hour 6 minutes via Pennsylvania Turnpike Northeast Extension, with a fuel budget near $9 and enough daylight to finish in a day. This is a straightforward, highway-focused drive primarily within Pennsylvania's Northeast region. Given its short duration, it's an ideal trip for a single day, allowing for flexibility in your departure and arrival times. Expect a largely uninterrupted journey that gets you from point A to point B efficiently.
| Road | Distance | Duration |
|---|---|---|
| Pennsylvania Turnpike Northeast Extension | 37.4 mi | 40m |
| Tilghman Street | 4.5 mi | 7m |
| West Montgomery Avenue | 3.6 mi | 8m |
| Mid-County Expressway | 3.4 mi | 4m |
| Matsonford Road | 0.9 mi | 1m |
| New Gulph Road | 0.1 mi | <1m |
| Avon Road | <0.1 mi | <1m |
Step-by-step road directions between Allentown, PA and Bryn Mawr, PA.
Start on Tilghman Street
Take the ramp
Keep slight right at fork
Merge onto I 476; PATP
Continue on I 476; PATP
Keep slight left at fork onto I 476; PATP
Continue on I 476
Take the exit
Keep slight right at fork
Keep slight right at fork
Turn left onto Matsonford Road
Turn left onto PA 320
Turn sharp left onto New Gulph Road
Turn right onto Avon Road
Turn right
Arrive at destination
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
26 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.
A short stop after about 11 miles helps settle the day before fatigue starts building.
The midpoint is around 25.7 miles from Allentown, PA, 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.
5 decision points cluster between mile 4.9 and 46.5 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Keep slight right at fork toward I 476 South: Philadelphia
Highway fork - watch signs carefully. Lane positioning matters here
Keep slight left at fork onto I 476; PATP / Pennsylvania Turnpike Northeast Extension
Highway fork - watch signs carefully. Lane positioning matters here
Take the exit toward I 76 East, I 76 West: Philadelphia, Valley Forge
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Keep slight right at fork toward I 76 West: Valley Forge
Highway fork - watch signs carefully. Lane positioning matters here
Keep slight right at fork toward Conshohocken
Highway fork - watch signs carefully. Lane positioning matters here
Regular Gas
$8.50 one way
$17.01 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.61 | $9.31 | $18.63 |
| premium | $4.93 | $9.95 | $19.90 |
| diesel | $5.61 | $11.33 | $22.65 |
Estimated Tolls: $4.87
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Drive Cost (one way)
Fuel
$9
Tolls
$5
Total
$13
Estimated CO2 emission: 17.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $5 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 15.4 | 0 | $5.39 | $2.46 |
| Efficient EV | 12.8 | 0 | $4.49 | $2.05 |
| EV Truck/SUV | 20.5 | 0 | $7.18 | $3.28 |
Gas CO2
18 kg
EV CO2
6 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.
Current conditions at both ends of the drive.
Origin
Afternoon in Allentown on Sunday
Local time
12:24 PM
EDT
Current temp
56°F
Mostly Cloudy
Destination
Afternoon in Bryn Mawr on Sunday
Local time
12:24 PM
EDT
Current temp
69°F
Unavailable
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
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.
This route is heavily highway-oriented, with 80% of the drive taking place on major roadways. You'll experience a significant stretch of 37.4 miles on the Pennsylvania Turnpike Northeast Extension, offering a consistent speed and minimal interruptions. While the majority of the trip focuses on this high-speed travel, the approach to Bryn Mawr will involve transitioning onto local roads like Tilghman Street and West Montgomery Avenue. This change in road type signifies the shift from open highway cruising to navigating more built-up areas.
This is a straightforward highway drive that stays mostly on Pennsylvania Turnpike Northeast Extension and Tilghman Street. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 4.9 miles in.
Demanding - stay alert through the decision-heavy sections
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 51.3 miles you will encounter 12 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 4.9 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 42.5 miles (I 476; PATP / Pennsylvania Turnpike Northeast Extension): Highway fork - watch signs carefully. Lane positioning matters here; at 46.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Allentown, PA and Bryn Mawr, PA, road signs point toward Patp, Valley Forge and Conshohocken.
Patp
Valley Forge
Conshohocken
Weekend Trip
Doable as a same-day drive at 1h 6m. Total distance: 51.3 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 6m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (80%). Some complex stretches to watch for.
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, and NPS for national parks. See our methodology for refresh cadence and limitations.
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