ANN ARBOR, MI -- Traffic is being shifted on some Ann Arbor streets beginning Monday and lasting throughout October and November.

Beginning at 9 a.m. Oct. 7, traffic heading north on South Main Street at Hoover Avenue is being shifted, and traffic headed south is being limited to one lane.

Truck traffic traveling north on South Main Street is being detoured on East Stadium Avenue to Packard Street to South Main Street.

Drivers going north on South Main Street are being detoured on Pauline Boulevard to South Seventh Street to West Madison Street to South Main Street.

Traffic headed south on South Main Street is being reduced to one lane between Hill Street and Hoover Avenue, while traffic heading east on Hoover Avenue is being shifted from South Main Street to Keech Avenue to Greene Street to Hoover Avenue.

Traffic going west on Hoover Avenue is being detoured to Greene Street to Keech Avenue to South Main Street.

The shift is necessary for water main and road work and will last through 5 p.m., Sunday, Oct. 13, according to the city.

Main Street detour

Washtenaw Avenue, between Zina Pitcher Place and Geddes Avenue, also is being routed to one lane in each direction from 9 a.m. Oct. 7 through 3 p.m. Monday, Nov. 18, for construction of an underground duct bank, according to the city.

Northbound Washtenaw Avenue’s left turn to Geddes Avenue is being closed and detoured to northbound Observatory Street and back to Geddes Avenue.

Southbound Washtenaw Avenue’s left turn to Geddes Avenue is being closed and detoured to northbound Observatory Street and back to Geddes Avenue.

Northbound Washtenaw Avenue’s left turn to Palmer Avenue is being closed and detoured to northbound Zina Pitcher Place, then to westbound East Ann Street, then southbound Glen Avenue, then eastbound East Huron Street, back to Palmer Avenue.