South Mountain Welcome Center Westbound – I-70
I-70 westbound travelers near Frederick in Frederick County, Maryland, can pull in at South Mountain Welcome Center. Reported truck parking: 23 spaces.
Location map
Marker shows recorded coordinates, not an entrance or approved driving route. Follow highway signs.
Open directionsReported parking capacity
Reported capacity from the 2019 federal truck parking survey (FHWA Jason's Law). This is not real-time vacancy information.
Facilities and amenities
Unknown (not documented in the sources): Drinking water, Picnic tables, Pet area, Public phone, RV dump station, EV charging, Wi-Fi.
A reported facility does not guarantee current availability.
About this welcome center
South Mountain Welcome Center is a stop for westbound travelers on I-70 near Frederick in Maryland. Whether it is open right now has not been confirmed. Check the Maryland State Highway Administration again before stopping: operating conditions can change.
Location and driving direction
The welcome center sits on the westbound side of I-70 near Frederick in Frederick County. The recorded position is around mile marker 39.
Do not confuse it with the separate eastbound facility, South Mountain Welcome Center, on the other side of the highway.
Parking and amenities
Truck parking: 23 reported spaces (the 2019 federal truck parking survey (FHWA Jason's Law)).
According to the available records, you will find:
- Restrooms
- Family restroom
- Accessible facilities
- Vending machines
- Playground
- Visitor information
These are capacity figures, not a live count of free spaces. Availability of individual amenities can change.
Time limits and overnight parking
Maryland allows 3 hours without a permit; camping and overnight parking are prohibited at state rest areas. I-95 travel plazas are covered by separate rules. Posted signs at this welcome center can set a different limit. Source: COMAR 11.04.07 (checked November 2026).
Map and coordinates
Recorded coordinates: 39.525461, -77.600920. The point marks the recorded position, not the entrance ramp, so follow the highway signs.
Frequently asked questions
Which side of I-70 is this welcome center on?
It serves westbound traffic on Interstate 70 near Frederick. The eastbound lanes have a separate facility.
How many truck spaces are there?
The 2019 federal truck parking survey (FHWA Jason's Law) lists 23 truck parking spaces at this facility. This does not indicate how many are currently free.
Are there restrooms?
Yes, restrooms are included in the official amenities listing. Check current conditions before travel.
How long can I park here?
Maryland allows 3 hours without a permit; camping and overnight parking are prohibited at state rest areas. I-95 travel plazas are covered by separate rules. Posted signs on site apply.