Delaware Truck Lane Restrictions
Delaware keeps heavy trucks to the right, but only on two corridors. On the express-highway parts of SR-1 and on I-495, a vehicle over 26,000 lb GVWR must run the right lane, except to pass or to enter, leave, or continue on the road (21 Del. C. 4114A). A first offense is $25 to $75. Off those roads it's the general keep-right rule.
Which lanes a truck can use in Delaware
Delaware keeps heavy trucks to the right, but only on two corridors. On the express-highway parts of SR-1 and on I-495, a vehicle over 26,000 lb GVWR must run the right lane, except to pass or to enter, leave, or continue on the road (21 Del. C. 4114A). A first offense is $25 to $75. Off those roads it's the general keep-right rule.
Roads, exceptions, and signs
- Where it applies: The controlled-access / express-highway portions of State Route 1 and I-495. Not all Delaware highways.
- Statutory on the named corridors.
- General rule: The general keep-right rule for all vehicles is 21 Del. C. 4114(b).
- The right-lane rule only covers the SR-1 express highway and I-495, not the whole state.
What a lane violation costs
$25 to $75 for a first occurrence (21 Del. C. 4114A).
Delaware Truck Lane FAQ
Can a truck drive in the left lane in Delaware?
Is there a truck lane restriction in Delaware?
What is the fine for a lane violation in Delaware?
Reference information for planning, not legal advice. Traffic laws change and this can be out of date, so always confirm the current statute and obey posted signs before you rely on it. Last reviewed July 2026. Source: https://codes.findlaw.com/de/title-21-motor-vehicles/de-code-sect-21-4114a/. See our Terms & Disclaimer.
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