What does this red sign typically indicate?

• Drivers should slow down but not necessarily stop.
• Drivers must come to a complete stop at the sign and proceed only when it is safe to do so.
  Explanation:

  "The "STOP" sign requires drivers to come to a complete stop at the designated stop line or before entering an intersection."
• Drivers can ignore the sign if there is no traffic.
• Drivers must yield to oncoming traffic without stopping.