If it's summer, it must be road maintenance time, and the state Department of Transportation wants motorists to know they could encounter mostly brief slowdowns for short distances to allow for pavement marking work and ongoing bridge inspection.

The work, resulting not in full road closures, but in the shutdown of single or double lanes, is being done generally Monday through Friday in off-peak hours of 10 a.m. to 3 p.m. and 10 p.m. to 6 a.m., the DOT said Friday in a release.

Many of the lane closures are expected to range from 20 minutes to an hour, said spokeswoman Eileen Peters.

The jobs "are performed as short duration operations that move to new locations as each is completed," the DOT said.

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New pavement marking are slated for sections of the LIE and service roads; New York Routes 24, 27, 27A, 101, 106, and 108; Glen Cove Road; and Simeon Woods Road.

Bridge inspection is planed for the Southern State, Northern State, Sagtikos, Sunken Meadow, Wantagh, Meadowbrook, and Ocean parkways; Robert Moses Causeway; the LIE; and New York Routes 24, 25, 25A, 25B, 27, 27A, 105, 106, 107, 109, 110, 111, 114, 135 and 454, as well as numerous county and local roadways.