Time Zone Boundary Signs In Oregon

Entering Malheur County / Mountain Time Zone on US-26 east. Most of Oregon is in Pacific Time, except for the northern half of Malheur County and some communities in Hells Canyon.

Entering Malheur County and Mountain Time Zone on US-20 East. The northern portion of Malheur County is the only area in Oregon that follows Mountain Time. From my travels in Oregon, this is the only blue time zone sign in the state. The rest are the standard green color.

Entering Mountain Time Zone on OR-78 east.

Entering Mountain Time Zone on US-95 north. US-95 passes in and out of Mountain Time for its duration. The highway enters Pacific Time again just north of Riggins, Idaho.

I-84 East - Entering Mountain Time.

Entering Pacific Time Zone on OR-86 west.

Mountain Time - Set Your Watch Ahead One Hour, on US-30 east.