stoplights

/S T AA1 P L AY0 T S/
noun
  1. 1

    A traffic control signal, traditionally consisting of three lights, colored green, yellow/amber and red, meaning proceed, prepare to stop and stop, respectively.

  2. 2

    A light on the rear of a vehicle that is activated when braking; a brake light.

Source: https://en.wiktionary.org/wiki/stoplight, https://en.wiktionary.org/wiki/stoplights