Primary State Highways were major state highways in the U.S. state of Washington used in the early 20th century. They were created as the first organized...

very short Virginia primary state highways, see List of primary state highways in Virginia shorter than one mile. State Route 217 is the designation...

The State Highways of Washington in the U.S. state of Washington comprise a network of over 7,000 miles (11,270 km) of state highways, including all Interstate...

The Interstate Highways in Washington are segments of the national Interstate Highway System that lie within the U.S. state of Washington. The system comprises...

There are 70 primary Interstate Highways in the Interstate Highway System, a network of freeways in the United States. These primary highways are assigned...

Auxiliary Interstate Highways (also called three-digit Interstate Highways) are a subset of highways within the United States' Interstate Highway System. The 323...

is a list of former primary state highways completely or mostly within the Bristol District (VDOT District 1) of the U.S. state of Virginia. State Route...

The following is a list of state highways in Kentucky with numbers between 2000 and 2999. List of primary state highways in Kentucky Kentucky Transportation...

following is a list of primary state highways in Virginia shorter than one mile (1.6 km) in length. For a list of such highways serving Virginia state institutions...

421 are not in use, with only seven of these under 260. State highways serving Virginia state institutions List of primary state highways in Virginia shorter...