Answer:

slowed

AnswerCrossword Clue
SLOWEDReduced speed
SLOWEDDecelerated
SLOWEDLost speed
SLOWEDLost steam
SLOWEDLost velocity
SLOWEDPut on the brakes
SLOWEDRan down
SLOWEDBacked off
SLOWEDImpeded
SLOWEDBogged down.
SLOWEDReduced speed.
SLOWEDDelayed.
SLOWEDPut on the brake.
SLOWEDSlackened.
SLOWEDPut the brakes on.
SLOWEDRetarded
SLOWEDObeyed a flasher
SLOWEDOn delay
SLOWEDHeld up
SLOWEDHeeded a flagman
SLOWEDWent from 60 to 40, e.g.
SLOWEDRestrained