VOXPOPS - Severe delays hit Port of Dover due to tougher border security checks following Nice attacks

The transcript describes a journey where the travelers face challenges accessing water, with the nearest source being in Dover, which is inaccessible to them. They stayed overnight in Denzel and prepared for a long wait. There are issues related to French passports, and they faced a lack of supplies at the last service station.

What preparations were made for the journey?

What did they find at the last service station?