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

The state Department of Transportation said the closings are probable, 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 in lane either direction may be closed between Exits 67 and 70, 10 a.m. to 3 p.m.

** One westbound lane may be closed in Huntington between Exits 51 and 52, 10 a.m. to 3 p.m.

** One eastbound lane may be closed in Huntington between Exit 51S and 52, 10 a.m. to 3 p.m.

** One lane in either direction may be closed in Riverhead between Exits 71 and 73, 7 a.m. to 3 p.m.

** One eastbound lane may be closed in Calverton between Exits 72 and 70, 10 a.m. to 3 p.m.

** One westbound lane may be closed in Hampton Bays between Exits 72 and 71, 10 a.m. to 3 p.m.

** One lane in either direction may be closed in Manorville at Halsey Manor Road, 10 a.m. to 3 p.m.

** All westbound lanes may be closed in North Hempstead between Exits 37 and 40E, 10 p.m. to 5 a.m.

** Two eastbound lanes may be closed in Hempstead between Exits 40E and 42, 10 p.m. to 5 a.m.

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

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

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

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

LIE SERVICE ROAD

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

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

HECKSCHER STATE PARKWAY/AROUND THE CLOCK

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

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

ROBERT MOSES CAUSEWAY BRIDGE

**One lane in either direction may be closed in West Islip between Robert Moses Parkway and Ocean State Parkway, 5 a.m. to 9 a.m.

SOUTHERN STATE PARKWAY

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

** Partial ramp closure in Hempstead at Exit 18 (Eagle Avenue), 11 a.m. to 2 p.m.

** Peninsula Boulevard entrance ramp may be closed in either direction, 7 a.m. to 3:30 p.m.

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

** One eastbound lane may be closed in Hempstead at Exit 21, 10 p.m.-5 a.m.

** One westbound lane may be closed in Hempstead at Exit 23, 10 p.m. to 5 a.m..

** One eastbound lane may be closed in Hempstead at Exit 24, 10 p.m. to 5 a.m.

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

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

ROUTE 24

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

** One eastbound lane may be closed in East Meadow between Merrick Road and West Gate Street, 10 a.m. to 3 p.m.

** One lane in either direction may be closed in Hempstead between Main Street and Meadowbrook State Parkway, 10 a.m. to 3 p.m.

ROUTE 25

** One lane in either direction may be closed in Smithtown between Meadow Road and Kings Park Road, 10 a.m. to 3 p.m.

** One lane in either direction may be closed in Riverhead at the LIE, 7 a.m. to 3:30 p.m.

ROUTE 25A

** One eastbound lane may be closed in Huntington between Randou Drive and Greenlawn Road, 10 a.m. to 3 p.m.

ROUTE 27

** All lanes in either direction may be closed in Bay Shore between Brentwood Road and the merge lane, 10 p.m. to 5 a.m.

** One lane in either direction may be closed in Merrick between Bellmore Avenue and Merrick Avenue, 7 a.m. to 3 p.m.

** One westbound lane may be closed in Hempstead between Route 135 and Wantagh State Parkway, 10 a.m. to 3 p.m.

** One westbound lane may be closed in Hempstead between Wantagh State Parkway and Meadowbrook State Parkway, 10 a.m. to 3 p.m.

** One westbound lane may be closed in Hempstead between Meadowbrook State Parkway and Ocean Avenue, 10 a.m. to 3 p.m.

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

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

** One eastbound lane may be closed in Bay Shore between Manor Lane and Fifth Avenue, 10 a.m. to 3 p.m.

ROUTE 27 SERVICE ROAD

** One eastbound lane may be closed in Islip between Route 111 and merge, 10 a.m. to 3 p.m.

** One lane either direction may be closed in Babylon between Route 109 and Nicolls Road, 10 p.m. to 5:30 a.m.

ROUTE 101

** One lane either direction may be closed in North Hempstead between Route 25A and Harbor Road, 10 p.m. to 5:30 a.m.

ROUTE 106

** One lane either direction may be closed in Hempstead between Route 105 and North End, 9 p.m. to 5:30 a.m.

** One lane in either direction may be closed in Hempstead between Route 105 and North End, 10 a.m. to 3 p.m.

ROUTE 106/107

** One lane in either direction may be closed in Oyster Bay between Old Country Road and Route 25, 10 a.m. to 3 p.m.

** One lane in either direction may be closed in Oyster Bay between Old Country Road and Route 25, 10 p.m. to 5:30 a.m.

ROUTE 107

** One lane either direction may be closed in Oyster Bay between Route 106 and North End, 10 a.m. to 3 p.m.

** One lane in either direction may be closed in Oyster Bay between Route 106 and North End, 10 p.m. to 5:30 p.m.

ROUTE 108

** One southbound lane may be closed in Cold Spring Harbor between Route 25A and Woodbury Road, 9:30 a.m. to p.m.

ROUTE 109

** One westbound lane may be closed in Babylon between Albany Avenue and New Highway, 10 a.m. to 3 p.m.

ROUTE 112

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

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

ROUTE 347

** One lane in either direction may be closed in Port Jefferson Station between Davis Avenue and Terryville Road, 10 a.m. to 3 p.m.

** One eastbound lane may be closed in Hauppauge between Route 111 and Mount Pleasant Road, 6 a.m. to 11 a.m.

** One lane in either direction may be closed in Smithtown between Mount Pleasant Road and Terry Road, 7 a.m. to 3 p.m.

ROUTE 878

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

** All lanes in either direction may be closed in Hempstead between Burnside Avenue and Rockaway Turnpike, 9 p.m. to 5 a.m.

PENINSULA BOULEVARD

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

** All lanes in either direction may be closed in Hempstead at Route 878, 9 p.m. to 5 a.m.

CR19 / PATCHOGUE-HOLBROOK ROAD AROUND THE CLOCK

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

CR19 / PATCHOGUE-HOLBROOK ROAD

** One southbound lane may be closed in Holbrook between Expressway Drive North and Expressway Drive South, 10 p.m. to 5 a.m.

NewsdayTV's Doug Geed shows us some great spots 'Out East' to visit this summer. Credit: Brian Jingeleski, Randee Daddona

Out East Show: LI Aquarium, Patty's Berries and Bunches, Palmer Vineyards NewsdayTV's Doug Geed shows us some great spots 'Out East' to visit this summer.

NewsdayTV's Doug Geed shows us some great spots 'Out East' to visit this summer. Credit: Brian Jingeleski, Randee Daddona

Out East Show: LI Aquarium, Patty's Berries and Bunches, Palmer Vineyards NewsdayTV's Doug Geed shows us some great spots 'Out East' to visit this summer.

SUBSCRIBE

Unlimited Digital AccessOnly 25¢for 6 months

ACT NOWSALE ENDS SOON | CANCEL ANYTIME