Business routes of Interstate 29

At Rochester Road, US 169 ends its concurrency and heads northeasterly while I-29 BL continues northward with Belt Highway.

I-29 BL finally ends at exit 53 on I-29, another diamond interchange, and US 59 continues north.

is a locally maintained business spur of I-29 in Sioux Falls, South Dakota.

It runs east from a SPUI interchange at exit 79 and is overlapped by SD 42 on 12th Street as it crosses a bridge over the Big Sioux River.

This section runs through the Emerson section of Sioux Falls, and, after the intersection with South Grange Avenue, it enters the Folsom's Addition neighborhood, where it curves to the northeast and becomes a oneway pair east of Menlo Avenue.

finally terminates at SD 115 (North Minnesota Avenue) on the border between Folsom's Addition and Downtown Sioux Falls.