A Business Route can be a branch from an A typical rural stretch of Interstate highway, with two lanes in each direction separated by a large grassy median, and with cross-traffic limited to overpasses and underpasses. The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly called the interstate highway system, is a network in the... Interstate, Current U.S. Highway shield The United States Highway System is an integrated system of roads in the United States numbered within a nationwide grid. As these highways were coordinated by the United States Federal Government in the early days, they are sometimes referred to as Federal Highways. Nowadays, there... U.S. or A state highway in the United States is a numbered highway primarily administered by a state government. These are generally a mixture of primary and secondary roads, although some freeways double as state highways (for example, Route 128 in Massachusetts). State highways also exist in other federal countries such as... State Highway route.

The purpose of Business Routes is to link the mainline of its parent route to the business district of a city or town. Usually, the Business Route connects to its parent route on both ends.

Signage of Business Routes varies, depending on the type of route it is derived from. Business Route branches off U.S. and State Highways have the exact same shields as their parent. Business Interstates use the same four-pointed shield design as regular Interstate highways, but substitute the normal red and blue layout for an all-green color scheme. Also, BUSINESS appears at the top of the shield instead of INTERSTATE, and either LOOP or SPUR may appear above the number.

Business Routes always have the same number as their parent. For example, U.S. 1 Business is a branch of United States Highway 1 is a United States highway which parallels the east coast of the United States. It runs 2390 miles (3846 km) from Key West, Florida in the south to Fort Kent, Maine at the Canadian border in the north. It parallels Interstate 95, although for a longer... U.S. Highway 1, and Business I-40 is a branch of Interstate 40 is a major west-east interstate highway in the United States. Its western terminus is at Interstate 15 in Barstow, California; its eastern terminus is at North Carolina State Highway 132 in Wilmington, North Carolina. Much of the western portion of I-40, from Oklahoma City to Barstow... Interstate 40.

See also

• Business Loop
• Business Spur