Orbit I-105 speed limit in Oregon
55 mphUsual limit · 45 to 55 mph along the way
Mostly 55 mph: about 86% of I-105 in Oregon is posted at 55. Limits run from 45 to 55 mph along the way.
How much of I-105 is at each limit
Questions
What is the speed limit on I-105 in Oregon?
Mostly 55 mph: about 86% of I-105 in Oregon is posted at 55. Limits run from 45 to 55 mph along the way.
What is the highest speed limit on I-105 in Oregon?
55 mph, on 86% of its length in Oregon.
Can the limit be lower than this?
Yes. Work zones, bad weather and local signs can set a lower limit. The posted sign is always the limit.
How does Orbit know the limit?
Orbit uses state and federal road data and OpenStreetMap, and drivers confirm limits from the road. In the app, the limit for the road you are on shows on the map and in CarPlay.
Posted limits as of October 2026, from state and federal road data and © OpenStreetMap contributors, measured by length of road. Work zones, weather and signs can set a lower limit; always follow the posted sign.
Other Interstates in Oregon
I-105 in other states
Orbit shows the limit for the road you're on · coming soon to iPhone and CarPlaySee Orbit SI