There are two major Interstate highways in Oregon: Interstate 5 runs north and south from California to Washington west of the Cascade Mountain range.
Interstate 84 runs east and west starting in Portland to Idaho along the Columbia River.
Then there are multiple US highways, the major ones are as follows:
Highway 101 runs north and south from California to Washington along the Oregon coastline.
Highway 99 runs north and south from California to Washington, west of the Cascade Mountain range.
Highway 97 runs north and south from California to Washington, east of the Cascade Mountain range.
There are numerous US highways running east and west, among these are:
Highway 30, 26, 22, 20 and others.
Interstate 5 (I-5) which goes north/south west of the Cascade Mountain range.
I-84 goes east/west in the northern half of the state.
all of them are major highways
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interstate 5
the major highways are #29 and#133
Road report hyw 58
The five biggest cities of Oregon are: Portland at 639.863; Salem at 167,419; Eugene at 166.575; Gresham at 111,523; and Hillsboro at 105,164.
There are many major highways in the United States. A few of the major highways are I-80, I-75, and I-70.
The major north-south highways are I-75 and I-69. The major east-west are I-94 and I-96
I-95 is one of the well known highways.
Interstate 5 (I-5) which goes north/south west of the Cascade Mountain range. I-84 goes east/west in the northern half of the state.
They were and still are the major transportation routes.
Highways link cities - there are no major cities in the northern part of Canada
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