Enter an intersection, bus route or bus stop code. Via riverdale / h. Hudsn / bway & trnty. Southbound bx10, bx20, bxm1, bxm2 and bxm18 stops along henry. Webmorris heights/high bridge circulator via 168 st / undercliff / sedgwick av. Effective january 8, 2023. For accessible subway stations, travel directions and other. Webthe route map shows you an overview of all the stops served by the mta bronx bx18 bus in nyc to help you plan your trip on mta bronx. Opening the app will. The bx18a and bx18b (collectively referred to as bx18a/b or bx18) bus routes constitute the 170th street circulator loop line. These bus routes run through a loop. Weblocal service for accessible subway stations, travel directions and other information: Effective june 26, 2022 visit www. mta. info or call us at 511. Webthe bx18a bus (undercliff/morris hts e 170 st concourse) is a circular line with 21 stops departing from e 170 st/grand concourse. Choose any of the bx18a bus stops below.