When are drivers required to stop for a school bus with its stop arm extended?

Drivers are required to stop for a school bus with its stop arm extended when traveling in either direction, unless the roadway is divided by a physical barrier. This is to ensure the safety of children who may be getting on or off the bus. The law emphasizes that all lanes of traffic must come to a complete stop when the bus is signaling, recognizing that children can be unpredictable and may cross the street at any time.

The provision regarding physical barriers indicates that if there is a concrete or similar division between opposing lanes of traffic, the expectation of stopping may not apply, as the barrier reduces the risk to children from vehicles traveling in the opposite direction. This law is designed to create a safe environment for schoolchildren, highlighting the vital importance of vigilance around school buses.