City of Northville issued the following announcement on Mar 7.
High Street is closed between Randolph and Elm due to a sinkhole. Repairs will be made to the underground infrastructure on Tuesday, March 8. Please use an alternate route until the street is reopened.
Allen Terrace can be accessed by Elm street. Hillside Middle school student drop-off is also impacted by this closure and parents/guardians are advised to use an alternate route.
Original source can be found here.