When reporting a highway traffic accident to the police emergency dispatch (122 / 110), what key location information displayed on roadside markers must the driver accurately report?

1. The expressway route number/name, direction of travel, and exact kilometer post number plus 100-meter marker number (公里桩及百米桩编号)
2. The name of the driver's hometown and favorite rest stop
3. The brand of the truck's tires and color of the driver's jacket
4. The current phase of the moon and ambient air humidity