List of county routes in Suffolk County, New York (76–100)
County Route 100
County Route 100 runs east and west from CR 13 in Brentwood to NY 454 in the village of Islandia. The route runs along the north side of the Ronkonkoma Branch of the Long Island Rail Road, and is four lanes wide from CR 13 to Brentwood Station, and again from CR 17 to NY 454.

List of county routes in Suffolk County, New York (76–100)

Section Title: County Route 100
Table Section Text: County Route 100 runs east and west from CR 13 in Brentwood to NY 454 in the village of Islandia. The route runs along the north side of the Ronkonkoma Branch of the Long Island Rail Road, and is four lanes wide from CR 13 to Brentwood Station, and again from CR 17 to NY 454.

Location	mi	km	Destinations	Notes

Brentwood	0.0	0.0	CR 13	Continues west as a Town of Islip Road

Central Islip	NY 111

CR 17	Former NY 111

Islandia	NY 454	Continues northeast as Old Nichols Road

1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Sentence(s)

Suffolk County Road 100, is the main west-to-east route, running from the Suffolk County Road 13 in Brentwood to New York State Route 454 in Islandia.

final_sentence: Suffolk County Road 100, is the main west-to-east route, running from the Suffolk County Road 13 in Brentwood to New York State Route 454 in Islandia.