Shunt

Push or pull a train or part of a train from the main line to a siding or from one track to another.

A New York City Subway train being shunted (verb sense 6) from one track to anotherA shunt (noun sense 7) or minor traffic accident between a bus and a van in Plymouth in Devon, England, UKAn illustration of a cerebral shunt (noun sense 8) used to treat hydrocephalus. The shunt, shown by a black line, drains excess cerebrospinal fluid from the brain’s ventricles into the peritoneal cavity. From Middle English schonten, schunten (“to jerk, swerve; to dodge, escape”), either:

shove