Several construction projects will close major roads in Nassau and Suffolk counties, starting Monday.

The state Department of Transportation said the closings are probable and subject to weather conditions and last minute construction requirements.

The closings listed below are scheduled Monday through Friday, unless otherwise noted. Round-the-clock closings include weekends and holidays.

For more information, motorists can call 511 or visit 511NY.org. In addition, travel information is at informny.com or on hand-held devices at informny.mobi.

 

LONG ISLAND EXPRESSWAY

**One lane in either direction may be closed in Brookhaven between Exits 67 and 70, 10 a.m.-3 p.m.

** One lane in either direction may be closed in Riverhead at Route 25, including shoulders, 7 a.m.-3 p.m.

**HOV lanes may be closed in either direction between Exits 51 and 52, 10 a.m.-3 p.m.

**One lane in either direction may be closed in Manorville at Halsey Manor Road, 8 a.m.-3 p.m.

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**All eastbound lanes may be closed in North Hempstead between Exits 39 and 43, 9:30 p.m.-5 a.m.

**All westbound lanes may be closed in North Hempstead between Exits 46 and 39, 9:30 p.m.-5 a.m.

**All westbound lanes may be closed in Holbrook at Exit 61, 10 p.m.-5 a.m.

**Eastbound HOV lane may be closed in Holbrook between Exits 58 and 60, 10 p.m.-5 a.m.

**Westbound HOV lane may be closed in Holbrook between Exits 64 and 61, 10 p.m.-5 a.m.

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**All eastbound lanes may be closed in Holbrook between Exits 60 and 61, 10 p.m.-5 a.m.

 

LIE SERVICE ROAD

**One lane in either direction may be closed in Mineola between Exits 39 and 41, 10 p.m.-5 a.m.

**One westbound lane may be closed in Holbrook between Smith Avenue and Laurel Street, 10 p.m.-5 a.m.

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**One eastbound lane may be closed in Holbrook between Laurel Street and Lisa Court, 10 p.m.-5 a.m.

 

BETHPAGE STATE PARKWAY

**One lane in either direction may be closed in Oyster Bay between Southern State Parkway and Bethpage State Parkway, 9 p.m.-5:30 a.m.

 

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ROBERT MOSES CAUSEWAY

**One lane in either direction may be closed in West Islip between Robert Moses State Parkway and Ocean Parkway, 7 a.m.-3 p.m.

 

MEADOWBROOK STATE PARKWAY

**All northbound lanes may be closed in Uniondale between Exit M6 and Northern State Parkway, 8 p.m.-5 a.m.

 

SAGTIKOS STATE PARKWAY/SUNKEN MEADOW PARKWAY

**One lane in either direction may be closed in Islip between Southern State Parkway and Route 25A, 8 a.m.-4:30 p.m. and 9 p.m.-5:30 a.m.

 

HECKSCHER STATE PARKWAY/ROUND THE CLOCK

**One southbound lane may be closed in East Islip north of bridge over Route 27 before Exit 44W and south of bridge after 44E.

**Two northbound lanes may be closed in East Islip south of bridge from Exit 45W and north of bridge after Exit 44W.

 

SOUTHERN STATE PARKWAY

**One lane in either direction may be closed in Hempstead between Exits 27 and 13, 7 a.m.-3:30 p.m.

**Peninsula Boulevard entrance ramp may be closed in either direction, 7 a.m.-3 p.m.

**One westbound lane may be closed in Hempstead between Exits 19 and 24, 10 p.m.-5 a.m.

**One eastbound lane may be closed in Hempstead between Exits 20 and 21, 10 p.m.-5 a.m.

**Peninsula Boulevard entrance ramp may be closed in either direction. 9 p.m.-5 a.m.

**Two westbound lanes may be closed in Malverne between Cornwell Avenue and 250 feet west of Corona Avenue, 10 p.m.-5 a.m.

 

WANTAGH STATE PARKWAY

**One lane in either direction may be closed in Hempstead between Northern State Parkway and Southern State Parkway, 9 p.m.-5:30 a.m.

 

ROUTE 24

**Two westbound lanes may be closed in Hempstead between Wantagh Avenue and Meadowbrook State Parkway, 10 p.m.-6 a.m.

**One lane in either direction may be closed in Flanders between Spinney Road and Cross River Drive, 10 a.m.-3 p.m.

 

ROUTE 25

**Two westbound lanes may be closed in Oyster Bay between NY Route 106/107 and LIE Exit 40. 10 p.m.-6 a.m.

All ramps to Route 106/107 may be closed in Oyster Bay, 10 p.m.-6 a.m.

**One westbound lane may be closed in Greenport between Main Street and Dolphin Drive, 8 p.m.-6 a.m.

**One westbound lane may be closed in Southold between Tuckers Lane and Orient Ferry, 7 a.m.-3 p.m.

 

ROUTE 25A

**One eastbound lane may be closed in Huntington at Lawrence Hill Road, 10 a.m.-3 p.m.

 

ROUTE 27

**All lanes in either direction may be closed in Bayshore between merge lane and Brentwood Road, 11 p.m.-5 a.m.

**One westbound lane may be closed in Merrick between Babylon Turnpike and southbound Meadowbrook State Parkway, 7 a.m.-3 p.m.

**One eastbound lane may be closed in Brookhaven between Hospital Road and Station Road, 9 a.m.-3 p.m.

**One eastbound lane may be closed in Brookhaven between CR 16 and William Floyd Parkway, 9 a.m.-3 p.m.

**One eastbound lane may be closed in Brookhaven between Eastport Manor Road and CR 104, 9 a.m.-3 p.m.

**One lane in either direction may be closed in Hampton Bays between Exits 66 and 65, 10 a.m.-3 p.m.

 

ROUTE 27 SERVICE ROAD

**One eastbound lane may be closed in East Islip between Carlton Avenue and Heckscher State Parkway ramp. 9 a.m.-3 p.m.

**One westbound lane may be closed in East Islip between Connetquot Avenue and Heckscher State Parkway ramp, 9 a.m.-3 p.m.

 

ROUTE 106/107

**All ramps to Route 25 may be closed in Oyster Bay, 10 p.m.-6 a.m.

 

ROUTE 110

**One westbound lane may be closed in Amityville at Albany Avenue, 10 a.m.-3 p.m.

**One eastbound lane may be closed in Huntington at Route 25, 10 a.m.-3 p.m.

 

ROUTE 112

**One northbound lane may be closed in Port Jefferson Station between Route 347 and Reo Drive, 10 a.m.-3 p.m.

**One southbound lane may be closed in Pt Jefferson Station between NY Route 347 and Roosevelt Avenue. 10 a.m. to 3 p.m.

**One lane in either direction may be closed in Coram 900 feet south of Granny Road and Route 25, 7 a.m.-3 p.m.

 

ROUTE 231

**One lane in either direction may be closed in Dix Hills between Deforest Road and East Deer Park Road, 10 a.m.-3 p.m.

 

ROUTE 347

**Two westbound lanes may be closed in Smithtown between Southern Blvd and Terry Road. 10 p.m.-6 a.m.

**One eastbound lane may be closed in Smithtown between Helen and Southern Blvd. 10 p.m.-6 a.m.

**One westbound lane may be closed in Port Jefferson Station between Route 112 and Terryville Road, 10 a.m.-3 p.m.

**One eastbound lane may be closed in Pt. Jefferson Station between Terryville Road and Davis Avenue, 10 a.m.-3 p.m.

**One lane either direction may be closed in Hauppauge between Route 111 and Mt. Pleasant Road, 10 a.m.-3 p.m.

**One westbound lane may be closed in Smithtown between Terry Road and Mount Pleasant, 10 a.m.-3 p.m.

**One eastbound lane may be closed in Smithtown between Helen and Southern Blvd. 7 a.m.-11 a.m.

 

ROUTE 878

**One lane either direction may be closed in Hempstead between Burnside Avenue and Rockaway Turnpike, 10 a.m.-3 p.m.

 

PATCHOGUE-HOLBROOK ROAD/ROUND THE CLOCK

**One northbound lane may be closed in Holbrook between Main Street and Vacation Court.

**One southbound lane may be closed in Holbrook between Laurel Street and Smith Avenue.

 

PENINSULA BLVD

**One lane either direction may be closed in Hempstead at Route 878, 10 a.m.-3 p.m.

 

NICOLLS ROAD

**One northbound lane may be closed in Holtsville between Union Avenue and the LIE, 10 a.m.-2 p.m.

**One southbound lane may be closed in Holtsville at the LIE Service Road, 8 a.m.-noon.