State comparison · Updated October 2026
Delaware vs. New Jersey Driving Laws (2026)
Delaware and New Jersey differ on 4 of 9 topics we track: car insurance, car sales tax, car inspection and helmet law.
Heading from Wilmington to Newark crosses the state line, and 4 of the rules switch at the line. Main routes include I-95 on the Delaware side and the New Jersey Turnpike on the side of New Jersey; the capitals, Dover and Trenton, write the laws for each side.
The largest difference: mandatory liability limits differ: 25/50/10 against 35/70/25. Drivers based in Dover who drive to Jersey City, and back, obey both sets of rules: Delaware's on US-13 and New Jersey's once they cross on the Garden State Parkway. Use the Delaware vs New Jersey guide if you shop for a car between Wilmington to Newark.
On a weekend drive from Dover to Trenton, keep your documents if you ride, plan the route before leaving, and expect the same 65 mph top limit at the border.
| Topic | Delaware | New Jersey |
|---|---|---|
| Max speed limit | 65 mph | 65 mph |
| Phone law | Hands-free law | Hands-free law |
| Learner's permit age | Permit at 16 | Permit at 16 |
| Car insurance | 25/50/10 | 35/70/25 |
| Car sales tax | 5.25% | 6.625% |
| Car inspection | Safety + emissions | Emissions only |
| New resident deadline | 60 days | 60 days |
| Helmet law | Under 19 | All riders |
| Lane splitting | Not allowed | Not allowed |
Driving laws: Delaware vs New Jersey
Delaware vs New Jersey: New Jersey and Delaware agree on max speed limit: 65 mph, phone law (Hands-free law) and learner's permit age: Permit at 16.
Owning a car: Delaware vs New Jersey
Delaware vs New Jersey: New Jersey and Delaware have the same rule for new resident deadline (60 days).
Car insurance: Delaware vs New Jersey
New Jersey is higher on car insurance: Delaware with 25/50/10 and New Jersey at 35/70/25. Delaware is at-fault while New Jersey is no-fault. A policy written in Wilmington has to be updated following a move to Newark.
Car sales tax: Delaware vs New Jersey
New Jersey is higher on car sales tax: Delaware at 5.25% and New Jersey at 6.625%. For a $30,000 purchase, state tax comes to roughly $1,575 in Delaware and $1,988 in New Jersey. Buyers from Dover or Jersey City owe car tax of their home state, not the dealer's.
Car inspection: Delaware vs New Jersey
New Jersey is lighter on car inspection, with Delaware with safety + emissions and New Jersey at emissions only. A car based in Dover follows Delaware rules, even on trips to Jersey City.
Motorcycle: Delaware vs New Jersey
Delaware vs New Jersey: New Jersey and Delaware agree on Not allowed for lane splitting.
Motorcycle helmet laws: Delaware vs New Jersey
New Jersey is stricter on helmet law, with Delaware at under 19 and New Jersey at all motorcyclists. Motorcyclists riding from Wilmington toward Newark fall under New Jersey's helmet rule on arrival.
Moving or buying across the border
- Delaware vs New Jersey: relocating from Delaware to New Jersey gives you 60 days for the car registration and 60 days for the license switch.
- Going from New Jersey to Delaware: 60 days for registration and 60 days to switch licenses.
Delaware vs New Jersey: FAQ
Where can you drive faster, Delaware or New Jersey?
New Jersey and Delaware each allow up to 65 mph.
Is it cheaper to buy a car — Delaware or New Jersey?
Delaware charges less at the state level (5.25% vs. 6.625%).
Is a motorcycle helmet required in both Delaware and New Jersey?
Delaware: Under 19; New Jersey: All motorcyclists.