Due to the ongoing pay dispute, train drivers in the Aslef union will not work extra hours for six days starting from Monday, affecting 15 rail operators across England.
South Eastern Passengers traveling in Kent should expect delays, cancellations and reduced services on many routes, and check before they travel.
Other rail workers in the RMT union will also strike later this month over pay, jobs and working conditions.
The employers and government want to change how the railway works to save money and modernise it, but the unions say this will harm workers’ rights and passengers’ safety.
The train companies plan to close many ticket offices and move staff to other roles, but the RMT says this will leave thousands of workers jobless and many passengers unable to use the railways.