What are five major highways in Oregon?

Answer 1

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.

Answer 2

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.

Answer 3

all of them are major highways

Answer 4

the 105/56/78/12/54

Answer 5

interstate 5