Business Loop I-29 - Brookings
Previously referenced as a business loop between Exits 127 and 132, signs along Interstate 29 were eventually changed to reference a Business Spur for I-29 at U.S. 14 (6th Street). The route is unsigned along 6th Street at Medary Avenue (old U.S. 77) in Downtown Brookings. An August 2016 visit to the city revealed a Business Loop I-29 shield posted at the northbound off-ramp (Exit 132) as the lone marker for the route.
The business loop was commissioned sometime after the early 1990s3 and thought to run west from Exit 127 along 217th Street to County Road 77 (old U.S. 77) north. CR 77 becomes Main Avenue north en route to the city center, where the loop may have turned east alongside U.S. 14 (6th Street) to I-29.
Chris Geelhart noted a different set of end points, with the business route looping west between Exits 132 and 133,3 perhaps along Medary Avenue from U.S. 14 (6th Street) to U.S. 14 Bypass (18th Street).
