State comparison · Updated October 2026
Delaware vs. Maryland Driving Laws (2026)
Delaware and Maryland part ways on 6 of 9 laws we track: max speed limit, learner's permit age, car insurance, car sales tax, car inspection and helmet law.
Heading from Wilmington to Baltimore takes you across the border, and 6 of these rules change on the way. Key roads are I-95 on the Delaware side and I-95 in Maryland; the capitals, Dover and Annapolis, set the rules for each side.
What changes most: the highest posted limits are 5 mph apart. Residents of Dover who drive to Columbia, or vice versa, live under both rulebooks: Delaware's on US-13 and Maryland's after the border on I-695. Use the Delaware vs Maryland guide when moving from Wilmington and Baltimore.
On a weekend drive from Dover to Annapolis, keep a helmet if you ride, set navigation before leaving, and expect a change from 65 to 70 mph at the border.
| Topic | Delaware | Maryland |
|---|---|---|
| Max speed limit | 65 mph | 70 mph |
| Phone law | Hands-free law | Hands-free law |
| Learner's permit age | Permit at 16 | Permit at 15 |
| Car insurance | 25/50/10 | 30/60/15 |
| Car sales tax | 5.25% | 6.5% |
| 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 Maryland
Delaware vs Maryland: Delaware and Maryland agree on phone law (Hands-free law).
Speed limits: Delaware vs Maryland
The law is faster in Maryland on max speed limit: Delaware with 65 mph and Maryland with 70 mph. Rural interstates reach 65 mph in Delaware and 70 mph in Maryland. Heading away from Wilmington for Baltimore, check the posted limit when you cross.
Driving age and teen license laws: Delaware vs Maryland
The rule is earlier in Maryland on learner's permit age, with Delaware at permit at 16 and Maryland with permit at 15. Young motorists in Wilmington visiting Baltimore must obey Maryland's teen restrictions while in the state.
Owning a car compared: the comparison
Delaware vs Maryland: Maryland and Delaware have the same law for 60 days for new resident deadline.
Minimum car insurance requirements: Delaware vs Maryland
Delaware is lower on car insurance, with Delaware at 25/50/10 and Maryland with 30/60/15. Delaware is at-fault while Maryland is at-fault. A policy written in Wilmington has to be switched when you settle in Baltimore.
Car sales tax: Delaware vs Maryland
Maryland is higher on car sales tax: Delaware with 5.25% and Maryland at 6.5%. For a $30,000 purchase, state tax comes to roughly $1,575 in Delaware and $1,950 in Maryland. Buyers from Dover and Columbia pay car tax based on their registration address.
Car inspection: Delaware vs Maryland
Maryland is lighter on car inspection, with Delaware with safety + emissions and Maryland at emissions only. Owners in Dover follows Delaware laws, even when driven to Columbia.
Motorcycle compared: Delaware vs Maryland
Delaware vs Maryland: Maryland and Delaware have the same rule for lane splitting: Not permitted.
Helmet law: Delaware vs Maryland
Maryland is stricter on helmet law: Delaware with under 19 and Maryland at all motorcyclists. Riders crossing from Wilmington to Baltimore fall under Maryland's helmet rule at the border.
Moving or buying across the border
- Delaware vs Maryland: moving from Delaware to Maryland gives you 60 days for the car registration and 60 days for a license.
- The other way: 60 days for registration and 60 days for a license.
Delaware vs Maryland: common questions
Where can you drive faster, Delaware or Maryland?
Maryland (70 mph vs. 65 mph).
Is car tax lower, Delaware or Maryland?
Delaware costs less at the state level (5.25% vs. 6.5%).
Is a motorcycle helmet mandatory in both Delaware and Maryland?
Delaware: Under 19; Maryland: All motorcyclists.