When lane direction control signals are placed over the individual lanes of a street or highway, vehicular traffic may travel in any lane over which a green signal is shown, but shall not enter or travel in any lane over which a red signal is shown. Source: SL 1970, ch 175 , § 23, § 2.
Lane direction control signals
SDCL § 32-28-8.1 — under TRAFFIC CONTROL DEVICES.
SDCL § 32-28-8.1