ROAD CONSTRUCTION - BILLERICA The Town of Billerica will begin sewer construction on Alpine Street, Billerica (near Brick Kiln Road, Chelmsford). The work will begin on October 5, 2017 and continue through the construction season. The road will be closed to through traffic with a detour in place Monday - Friday from 7:00 am to 3:30 pm. Residents will be allowed access but should expect delays. For questions please contact the Billerica Engineering Division at 978-671-1300.