The ongoing roundabout construction project on North Grandview Avenue at Delhi Street will transition to the next phase on Friday July 8 and is anticipated to last approximately 1 week. Beginning Friday morning, North Grandview Avenue will be closed on the north side of the intersection, Delhi Street will be closed on the east side of the intersection, and Grace Street will be closed on the west side of the intersection. Northbound and southbound motorists will be detoured onto Delhi Street, west of the intersection. Eastbound and westbound motorists on Delhi and Grace will be detoured onto University Avenue. Map available at If you have questions regarding this closure/detour, please contact the City of Dubuque Engineering Department at 563-589-4270. Please note: closure dates/times are estimates and are subject to change without notification based on weather and contractor schedules.