Signs Tagged With County Boundary

Entering Denali Borough on AK-8 west (Denali Highway).

Entering the Matanuska-Susitna Borough on AK-8 west (Denali Highway).

Entering Madison County on MT-55 south.

Entering Silver Bow County on MT-55 south. MT-55 crosses a tiny sliver of Silver Bow County.

Entering Broadwater County on I-90 east at the Jefferson River. The Jefferson River is one of the three forks of the Missouri River, the other two being the Madison and Gallatin Rivers.

Entering Rosebud County on US-212 west.

Entering Powder River County on US-212 west.

Entering Carter County on MT-7 south.

Entering Wibaux County on I-94 east.

Entering Dawson County on I-94 east.

Entering Prairie County on I-94 east.

Entering Custer County on I-94 east.

Rosebud County on I-94 east.

Stillwater County on I-90 east.

Madison County on MT-87 north at the Montana-Idaho state line. The stateline is on Raynolds Pass which is on the continental divide.

Entering Grant County on WA-24 east, crossing the Columbia River.

Entering Washington County on US-95 north.

Entering Bannock County on US-30 west.

Entering Teton County on ID-32 South. The Fremont-Teton County Line on ID-32 is at Bitch Creek. The bridge over Bitch Creek was not signed with the creek name.

Entering Union County on OR-203 north.

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 Lane County on I-5 north.

Entering Coos County on US-101 north.

Entering Curry County on US-101 north. Many Oregon counties, especially in western Oregon have graphics on the county line signs.

Entering Josephine County on I-5 south. Many of the county line signs in southern Oregon (and Del Norte County California) contain the phrase We Honor Veterans.