Edited sentence: Black: Local bus service that utilizes a stop during late night hours only.Blue: Local bus service (also used for Long Island Bus and Bee-Line Bus System bus service operating closed-door in most cases within New York City at locations where buses pick up).Blue: New York City Bus and MTA Local Bus service operating in the western edges of Nassau County.Gold: Local bus service only serving that stop on days when public schools are in session (in most cases at the end of the school day).Green: Express bus service that operates between boroughs and is closed-door to local travel within a borough (also used for the X25 and X90 intra-borough express routes, and used for the QBx1 limited-stop service).Orange: N6 Limited-stop service.Purple: Limited-stop service scheduled to skip certain stops, with pickup and drop-off along the route (not used for the QBx1 route, which uses green stop signage).Routes are branded on bus stop signs, which are normally located every 2-3 blocks apart in most cases.Turquoise: Select Bus Service (limited-stop service operating on a proof-of-payment system; fare payment required before boarding at payment machines in bus stops).White: All other Long Island Bus routes.Within the service area, the color of the route on a bus stop sign indicates the type of service run, with one exception (the QBx1, which is a limited stop service)