Under what condition is it permissible to turn left on a red light?

Turning left on a red light is permissible when you are on a one-way street and are turning onto another one-way street. This is because, in many jurisdictions, specific regulations allow such actions to promote traffic flow and reduce unnecessary delays, provided that the driver yields to any pedestrians and cross traffic.

It's crucial for drivers to understand that this rule generally does not apply to turning left from a two-way street onto a one-way street or from any street onto a two-way street. This regulation is meant to ensure safety by minimizing the risk of collisions and ensuring clear, predictable traffic patterns.

In contrast, options that mention conditions like no oncoming traffic or the existence of a sign are not applicable for left turns on red. While they relate to other traffic situations, they do not align with the specific allowances in place for turning left from a one-way street.