What requirement applies to parking a vehicle loaded with Class 1 explosives under ADR Chapter 8.4?

1. The vehicle must be parked on the hard shoulder of a motorway
2. The vehicle must be supervised at all times or parked in a secure depot/isolated parking area away from residential buildings and public gatherings
3. The vehicle must be parked in a underground multi-storey city car park
4. The vehicle must be parked directly outside a police station entrance