Contractors have begun paving operations on Sunny Meadow Lane, a portion of Kirsi Circle and a section of Main Street between Tadmuck Road & Fairview Drive.  Paving on Main Street between Tadmuck Road & Depot Street is scheduled for Tuesday and Wednesday. Commuters should expect detours and delays in the Main Street area and should allow extra time for travel.  All residences and businesses will be open and accessible under the direction of the Westford Police Department.  Please reduce speeds and proceed with caution in all work zones.