track (for trains etc)

track (railroad, streetcar etc)

to run off the track

locus

to be derailed; to go off the rails

railtrack connection

light rail; transit system (underground, at street level or elevated); streetcar; metro (abbr. for 輕型軌道交通|轻型轨道交通[qing1 xing2 gui3 dao4 jiao1 tong1])

errant

track; car track;train track

monorail

to stay on track

to leave the rails

running number

short form of intercity railway

sound track

to follow in the steps of

to lay railway track

standard

to lie across the railway tracks (to commit suicide or to prevent trains from getting through)

trackball (computing)

rail

train track; railway track

the right track

to change track