KEY POINT

Understand the risks to all populations during an evacuation or SIP or an incident requiring both.

Risks resulting from evacuation include:

The evacuees may be exposed to the hazard.
The mode of transportation could put people at risk chosen by the evacuees (e.g, running out of fuel, mechanical malfunction, car crash).
In areas of high population density, a large-scale evacuation could cause congestion and gridlock on the roads, rendering the evacuation ineffective.
Weather conditions could change, causing an evacuation to become dangerous