Road improvement work on Brighton and Massachusetts avenues and Pleasant and West Madison streets in Rochester begins Monday and continues through Saturday, PennDOT announced. Single-lane, alternating traffic controlled by flaggers will occur from 8 a.m. to 4 p.m. each day in the following locations:

• Brighton Avenue between the Rochester Roundabout and Pleasant Street.

• Pleasant Street and Massachusetts Avenue between Rhode Island Avenue and Adams Street.

• Brighton Avenue and West Madison Street between the Rochester Roundabout and Delaware Avenue.

Crews will conduct milling and paving operations as part of the $10.07 million Route 18 improvement project.

Gulisek Construction LLC is the prime contractor.