Find out what kind of road it is
PennDOT's maps page lists county maps under County & Municipality, including County Type 10 maps and Township, Borough, City (Type 5) maps. PennDOT's posted and bonded roadways resources page describes Type 10 maps as highly detailed maps of state routes and municipal routes by county. Find the Bucks County map, note any route number shown for the road in front of your home and which municipality you're in, and treat that as a starting point rather than the final answer.
When you contact an agency, ask about the specific stretch next to your driveway rather than relying on the street name. A useful question is: "Does your maintenance responsibility include the roadway directly alongside this driveway entrance?"
Who to ask
For a state route, PennDOT's Engineering District 6 page lists Bucks County among the counties the district covers and says the district is responsible for the state-maintained transportation network in the Philadelphia region. The page links to the district's contacts.
For a local road, the Bucks County Municipal Directory has a page for each borough and township and lists government officials. Use it to reach your municipal office and ask which department can confirm who owns and maintains the road. Our guide to finding the right repair permit office in Bristol Borough or Bristol Township shows how much the answer can depend on the exact municipality, and our guide to finding your Bucks County water or sewer provider uses a similar approach for utilities.
Don't rely on what a road used to be. Through PennDOT's Highway Transfer Turnback program, a local government can take over ownership of a state-owned road, so a road that was once state-maintained may now belong to the township or borough. If PennDOT and the municipality give different answers, ask both to look at the same stretch of road.
Separate the apron repair from road maintenance
PennDOT's frequently asked questions say it cannot fix potholes on private driveways, even if the driveway meets a state route, and that property owners are responsible for those potholes. The same page says that under Pennsylvania state law, the local municipality or property owner is responsible for maintaining or installing curbing and sidewalk. It also tells residents along a state route who have been told to replace a sidewalk or curb to contact the Highway Occupancy Permit inspector at PennDOT's county maintenance office.
When you describe the work, say whether it covers only the driveway surface or also the edge of the road pavement, a curb, a drainage feature or anything else in the road's right-of-way. PennDOT's Highway Occupancy Permit page says it issues driveway permits for installing, altering or removing driveways that connect to a state highway. Ask the District 6 permit contact whether your particular repair needs one, rather than assuming either way. Questions about drainage, the joint with the road pavement and traffic safety are for the agency and a qualified contractor to settle before work starts.
Get the answer in writing
Before you approve a repair scope, ask for written confirmation of which agency maintains the road segment and whether a permit review is needed. Keep it with the contractor's description of where the work starts and stops. Our list of documents to keep after a home repair covers the rest of the paperwork worth saving.
The PennDOT and Bucks County pages linked here show where to look and who to contact. They don't settle responsibility for any particular driveway, so the agency's answer for your exact location is what counts.