In the UK, aid workers and toilets have been brought in - to help hundreds of people who've been stranded trying to get to the Dover Ferry port.
The queues have been building due to stricter security checks by French officials in the wake of recent attacks.
Authorities have encouraged those travelling to be prepared with food, water and medication - some people have been camped out in their cars for up to 14 hours.
Aid worker is Ravi Singh: