Commuters across London can expect travel chaos this week as national rail strikes and tube strikes are set to create travel chaos. 

Transport for London (TfL) is encouraging passengers to avoid travelling on the affected and if you are, then to plan ahead. 

Transport bosses are cautioning passengers that there will be very few services running and other routes will be busier than normal. 

The strike action comes over disputes in pensions and job safety for members of the Rail Maritime and Transport union (RMT). 

Overground workers that are part of the Arriva Rail Longdon will be striking over pay. 

Ahead of the strike action we've saved you a job and rounded up all the key information you need.

From when the strikes are taking place to the lines that are affected, here's everything you need to know.

When are the London Tube Strikes? 

The underground strikes will take place on Thursday, August 18 and Saturday, August 20. 

However, due to the disruption created by the strikes, transport services are expected to be severely disrupted on Friday 19 August. 

Which Tube lines are impacted by the strikes?

TfL has said that services will be severely disrupted or not running. 

Thursday, 18 August

On Thursday 18 August, most TfL services will run as normal but you can expect disruption on a number of lines. 

This includes: London Overground, Reduced service between 8am-6pm, with no service before 8am or after 6pm. 

The Elizabeth Line will have a reduced service during the day.

The District line will have no service between Wimbledon and Parson's Green, and Richmond and Turnham Green before 8am and after 6pm.

While the Bakerloo Line will have no service north of Queen's Park. 

Friday, August 19

On Friday, August 19, most services will be impacted, including Tube and Night Tube, Overground and Night Overground. 

Buses will also be on strike in west and northwest London, as well as parts of Hertfordshire and Surrey. 

With strikes impacting these services: 18, 33, 49, 65, 70, 71, 72, 85, 94, 105, 110, 116, 117, 148, 203, 211, 216, 220, 223, 224, 235, 258, 265, 266, 272, 281, 283, 290, 293, 371, 404, 406, 411, 418, 419, 423, 440, 465, 467, 470, 481, C1, E1, E3, H17, H22, H32, H37, H91, H98, K1, K2, K3, K4, K5, N9, N18, N33, N65, N72, N266 and S3.

News Shopper: Everything you need to know about tube strikes (PA)Everything you need to know about tube strikes (PA) (Image: PA)

Saturday, August 20

On Saturday, August 20, severe disruption can once again be expected, with advice to only travel if absolutely necessary.

Service that will be disrupted include: London Overground, Reduced service between 8am-6pm, with no service before 8am or after 6pm. 

The Elizabeth Line will have a reduced service during the day.

The District line will have no service between Wimbledon and Parson's Green, and Richmond and Turnham Green before 8am and after 6pm.

And the Bakerloo Line will have no service north of Queen's Park. 

Plus the same bus routes impacted on Friday 19, will also be striking on Saturday 20.

Will services be disrupted on Sunday?

TfL is warning that there will be a knock-on effect on Sunday, August 21, the day following the strikes.

With no tube service running before 8am and commuters were warned to avoid making tube journeys until mid-morning. 

To get more information head to the TfL website.