The right lane of southbound Route 107 in Glen Cove from Town Path to the railroad trestle will be closed from 10 a.m. to 3 p.m. on weekdays for up to four weeks as volunteers paint a new mural on a retaining wall.

The closure began yesterday and will last nearly a month, weather permitting. The closure hours are outside the morning and afternoon rush hours to minimize inconvenience to residents and reduce danger to those working on the mural, city spokeswoman Lisa Travatello said.

The paint on the current mural, which is a waterfront scene with sailboats, is chipped. The new mural will spell out “Glen Cove” in geometric shapes and various colors.

Adult and high school volunteers will scrape off the current mural, power-wash the wall and paint a new mural. Artists Sean Sullivan of Manhattan and Scott Zimmerman of Queens will oversee the work and help paint.

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The Glen Cove Beautification Commission in April approved $10,000 for the artists. Their design was selected from among seven entries, city parks and recreation director Darcy Belyea said.

The 400-foot-long retaining wall is between Hendrick Avenue and the railroad trestle for Long Island Rail Road trains, about a half-mile from the city’s southern border. It has a peak height of 21 feet.