A spur route is a short road forming a branch from a longer, more important road such as a freeway, Interstate Highway, or motorway. A bypass or beltway is not considered a spur route as it typically
Raccordo autostradale RA3
The Aomori Expressway (E4A) spur splits from the Tōhoku Expressway (E4)
Interstate 384, a spur of Interstate 84 in Connecticut
Spur route of Washington State Route 100
In road transportation in the United States, a special route is a road in a numbered highway system that diverts a specific segment of related traffic away from another road. They are featured in many
Spur route
…violations in the spur route numbering system, thus the general rules above do not always apply (e.g. U.S. Route 400—there is no parent "route 0"). Special route Loop route…
Truck Business US 17 ends at its parent in Elizabeth City, North Carolina
Business SH-9 in Hobart, Oklahoma ends at its parent route. The center SH-9 shield is topped with a typical "BUSINESS" sign.
U.S. Route 58 Alternate serves as an alternate alignment to U.S. Route 58 in the western part of Virginia
State Route 45 Connector in Georgia