Oregon Truck Speed Limit
Trucks over 10,000 lb run 55 mph on most Oregon interstates while cars run 65 (ORS 811.111). That is a 10 mph gap on I-5 and the west end of I-84. East of The Dalles on I-84 and on US 95 the truck limit rises to 65 and cars to 70. Eight named highways let trucks do 60 where cars do 65.
How fast a truck can run in Oregon
Trucks over 10,000 lb run 55 mph on most Oregon interstates while cars run 65 (ORS 811.111). That is a 10 mph gap on I-5 and the west end of I-84. East of The Dalles on I-84 and on US 95 the truck limit rises to 65 and cars to 70. Eight named highways let trucks do 60 where cars do 65.
Truck-specific rules and quirks
- Keep right except to pass (ORS 811.315).
- The 55 cap covers trucks over 10,000 lb GVWR and truck tractors over 8,000 lb on any highway (ORS 811.111). HB 3402 (2015) added the higher segments, effective March 2016.
What a speeding ticket costs
Speeding is a graduated traffic violation with presumptive fines by tier (ORS 811.109), roughly $165 to $440. Fines double in posted work zones and safety corridors.
Oregon Truck Speed Limit FAQ
What is the truck speed limit in Oregon?
Do trucks have a lower speed limit than cars in Oregon?
What is the speeding penalty for a truck in Oregon?
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 Traffic laws change and this can be out of date, so always confirm the current statute and obey posted signs before you rely on it.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://oregon.public.law/statutes/ors_811.111. See our Terms & Disclaimer.
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