State comparison · Updated October 2026
Delaware vs. Pennsylvania Driving Laws (2026)
Delaware and Pennsylvania differ on 5 of 9 topics we track: max speed limit, car insurance, car sales tax, new resident deadline and helmet law.
Heading from Wilmington to Philadelphia crosses the state line, and 5 of these rules change on the way. Key roads are I-95 on the Delaware side and I-76 in Pennsylvania; the capitals, Dover and Harrisburg, set the laws for each side.
The largest difference: new residents face 60 days in Delaware but 20 days in Pennsylvania before the first deadline. People who live in Dover heading to Pittsburgh, and back, deal with both rulebooks: Delaware's on US-13 and Pennsylvania's across the border on I-80. Use the Delaware vs Pennsylvania guide before driving from Wilmington to Philadelphia.
For a quick visit from Dover to Harrisburg, pack a helmet and proof of insurance, set navigation ahead of time, and expect a change from 65 to 70 mph at the line.
| Topic | Delaware | Pennsylvania |
|---|---|---|
| Max speed limit | 65 mph | 70 mph |
| Phone law | Hands-free law | Hands-free law |
| Learner's permit age | Permit at 16 | Permit at 16 |
| Car insurance | 25/50/10 | 15/30/5 |
| Car sales tax | 5.25% | 6% |
| Car inspection | Safety + emissions | Safety + emissions |
| New resident deadline | 60 days | 20 days |
| Helmet law | Under 19 | Under 21 |
| Lane splitting | Not allowed | Not allowed |
Driving laws side by side: Delaware vs Pennsylvania
Delaware vs Pennsylvania: Pennsylvania and Delaware match on Hands-free law for phone law and learner's permit age (Permit at 16).
Speed limits: Delaware vs Pennsylvania
Pennsylvania is faster on max speed limit, with Delaware with 65 mph and Pennsylvania with 70 mph. Rural interstates reach 65 mph in Delaware and 70 mph in Pennsylvania. Heading away from Wilmington toward Philadelphia, expect the limit to change following the border.
Owning a car: the comparison
Delaware vs Pennsylvania: Delaware and Pennsylvania agree on car inspection: Safety + emissions.
Car insurance: Delaware vs Pennsylvania
Pennsylvania is lower on car insurance, with Delaware with 25/50/10 and Pennsylvania at 15/30/5. Delaware is at-fault and Pennsylvania is no-fault. An insurance policy from Wilmington needs to be rewritten following a move to Philadelphia.
Car sales tax: Delaware vs Pennsylvania
The law is higher in Pennsylvania on car sales tax, with Delaware at 5.25% and Pennsylvania at 6%. On a $30,000 car, state tax is about $1,575 in Delaware versus $1,800 in Pennsylvania. Buyers from Dover or Pittsburgh owe car tax where the car is registered, wherever they buy.
New resident deadlines: Delaware vs Pennsylvania
Delaware is longer on new resident deadline, with Delaware at 60 days and Pennsylvania with 20 days. Households relocating from Dover to Pittsburgh ought to book DMV visits ahead.
Motorcycle: Delaware vs Pennsylvania
Delaware vs Pennsylvania: Delaware and Pennsylvania match on lane splitting: Not permitted.
Helmet law: Delaware vs Pennsylvania
The rule is stricter in Pennsylvania on helmet law: Delaware at under 19 and Pennsylvania at under 21. Riders heading from Wilmington to Philadelphia fall under Pennsylvania's helmet law at the border.
Crossing the line for good
- Delaware vs Pennsylvania: relocating from Delaware to Pennsylvania gives you 20 days to register the car and 60 days for the license switch.
- Moving from Pennsylvania to Delaware: 60 days to register and 60 days for a license.
Delaware vs Pennsylvania: FAQ
Which has the higher speed limit, Delaware or Pennsylvania?
Pennsylvania (70 mph vs. 65 mph).
Is car tax lower — Delaware or Pennsylvania?
Delaware costs less at the state level (5.25% vs. 6%).
Is a motorcycle helmet mandatory in both Delaware and Pennsylvania?
Delaware: Under 19; Pennsylvania: Under 21.