by NIMBYkiller
Here's an idea for 2 intra-island rail systems(only some new stops and a select few others are listed):
Nassau-Suffolk:
Far Rock-Valley Stream-WH-CLP-Stewart Av-Mineola-Wheatly Hills-Mill Neck-OB
Far Rock-Valley Stream-Fport-Babylon-Islip-NYIT-Central Islip-KO-Mac Arthur Airport
Glen Cove Ferry Terminal-Glen St-Wheatly Hills-Mineola-Stewart Av-Clinton Rd-Quentin Roosevelt Blvd-Mitchell Field-Hofstra-Nassau Collesium-EAB Plaza-Mariott-NCC-Selfridge Av-Quentin Roosevelt BLVD-Clinton Rd-Stewart Av-Mineola-Wheatly Hills-Glen St-Glen Cove Ferry Terminal
Laurelton-Green Acres Mall-Valley Stream-WH-CLP-Stewart Av-Mineola-Westbury-Hicksville-Huntington
Hempstead-CLP-Clinton Rd-Quentin Roosevelt Blvd-Roosevelt Field Mall-Zeckendorf Blvd-The Source-Merrick Av-Westbury-Hicksville-Huntington-Northport
Hempstead-CLP-Clinton Rd-Quentin Roosevelt Blvd-Selfridge Av-Eisenhower Park-Newbridge Rd-Plainedge-Bethpage JCT-Farmingdale-Central Islip-KO-Mac Arthur Airport
Mineola-Westbury-Hicksville-Bethpage JCT-South Farmingdale-Babylon-Islip-PD
Stewart Av-located north of where Mineola-CLP-WH ROW crosses Stewart Av in Garden City
East End service:
Huntington-PJ-Wading River-Riverhead-Greenport
Mac Arthur Airport-KO-Manorville-Eastport-Quogue-LIU Southampton-Water Mill-Bridgehampton-Sag Harbor
Greenport-Riverhead-Manorville-Eastport-Center Moriches-PD-Islip-Babylon
Greenport-Riverhead-Manorville-Eatport-Quogue-LIU Sothampton-Water Mill-Bridgehamton-Wainscott-Montauk
Bsaically, trains would run as 2 or 3 car DMU sets(most likely Colorado Railcar).
Nassau-Suffolk:
Far Rock-Valley Stream-WH-CLP-Stewart Av-Mineola-Wheatly Hills-Mill Neck-OB
Far Rock-Valley Stream-Fport-Babylon-Islip-NYIT-Central Islip-KO-Mac Arthur Airport
Glen Cove Ferry Terminal-Glen St-Wheatly Hills-Mineola-Stewart Av-Clinton Rd-Quentin Roosevelt Blvd-Mitchell Field-Hofstra-Nassau Collesium-EAB Plaza-Mariott-NCC-Selfridge Av-Quentin Roosevelt BLVD-Clinton Rd-Stewart Av-Mineola-Wheatly Hills-Glen St-Glen Cove Ferry Terminal
Laurelton-Green Acres Mall-Valley Stream-WH-CLP-Stewart Av-Mineola-Westbury-Hicksville-Huntington
Hempstead-CLP-Clinton Rd-Quentin Roosevelt Blvd-Roosevelt Field Mall-Zeckendorf Blvd-The Source-Merrick Av-Westbury-Hicksville-Huntington-Northport
Hempstead-CLP-Clinton Rd-Quentin Roosevelt Blvd-Selfridge Av-Eisenhower Park-Newbridge Rd-Plainedge-Bethpage JCT-Farmingdale-Central Islip-KO-Mac Arthur Airport
Mineola-Westbury-Hicksville-Bethpage JCT-South Farmingdale-Babylon-Islip-PD
Stewart Av-located north of where Mineola-CLP-WH ROW crosses Stewart Av in Garden City
East End service:
Huntington-PJ-Wading River-Riverhead-Greenport
Mac Arthur Airport-KO-Manorville-Eastport-Quogue-LIU Southampton-Water Mill-Bridgehampton-Sag Harbor
Greenport-Riverhead-Manorville-Eastport-Center Moriches-PD-Islip-Babylon
Greenport-Riverhead-Manorville-Eatport-Quogue-LIU Sothampton-Water Mill-Bridgehamton-Wainscott-Montauk
Bsaically, trains would run as 2 or 3 car DMU sets(most likely Colorado Railcar).