During these work hours, vehicles will be detoured as follows:
Medford Street Tunnel:
— Northbound traffic from Medford Street will be detoured left onto Somerville Avenue and right onto Washington Street (at Ricky’s Flower Market).
— Southbound traffic from Somerville Avenue will be detoured left onto Washington Street (at Ricky’s Flower Market), or may continue on to access Medford Street or McGrath Highway at Poplar Street.
— Southbound traffic on McGrath Highway will be detoured onto the surface road at Prospect Hill Avenue, across Somerville Avenue and back onto McGrath Highway at Poplar Street.
For the three week look-ahead, visit www.somervillema.gov/alerts/