Key routes into the town, the M20/A20 and M2/A2 approaches, will be busy with holidaymakers as schools break up for summer.
Motorists have been warned to expect queues as French border police at the Port of Dover and Eurotunnel continue to carry out heightened security checks following the recent terror attacks in France.
Drivers are advised to plan their journeys and to check travel conditions before they set off as gateways to the Channel Tunnel and ferry port will be busy.
Motorists have also been warned to make sure their cars are fit for their journey. Highways England has suggested that drivers take frequent breaks and top up with fuel regularly.
Tourist traffic for the Port of Dover is advised to travel on the M2/A2, while freight and cruise traffic is advised to use the M20/A20.
Local traffic should use other routes such as the B2011, A256 or A258 if they can although these routes are not suitable for HGVs.
Drivers heading for the Channel Tunnel are advised to turn up on time for their booked departure.
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According to figures from the RAC Traffic Watch, 14.4 million vehicles could hit the road between Thursday and Sunday as schools break up for the summer.
The study, which looked at nearly 1,300 drivers’ plans, revealed that Saturday will be the busiest day, with 4.5 million leisure journeys forecasted.
Traffic levels will also be high on Sunday, as 4.2 million holiday trips by car are expected to take place, while Friday will see some 3.3 million cars added to the usual total.
Overall, the figures show that there will be 5.4 million extra car trips between Thursday and Saturday this year compared to the same period in 2015.
The recent heatwave has also caused havoc for motorists and there have been spikes in the number of accidents and weather-related breakdowns.
RAC research shows that as temperatures soared - in many parts well past the 30C mark - there was a 44% increase in the number of road accidents.