Idaho Code
Chapter 8 - SIGNS, SIGNALS AND MARKINGS
Section 49-806 - LANE USE CONTROL SIGNALS.

49-806. LANE USE CONTROL SIGNALS. When lane use control signals are placed over individual lanes, the signals shall indicate and apply to drivers of vehicles as follows:
(1) Green indication. A driver may travel in any lane over which a green signal is shown.
(2) Steady yellow indication. A driver is being warned that a lane control change is in process.
(3) Steady red indication. A driver shall not enter or travel in any lane over which a red signal is shown.
(4) Flashing yellow indication. A driver may use the lane only for the purpose of making a left turn to or from the highway.

History:
[49-806, added 1988, ch. 265, sec. 220, p. 685.]