If you're travelling in central London on Sunday 23 April 2017, the main transport changes are:
Visit the Virgin Money London Marathon page for more details of the event.
Roads closures and extra traffic will make central, south east and east London busier between 06:00 to 19:00 - if you can, avoid driving in central London during this time.
View or download the map below to see road closures and the impact these will have around the area.
Early morning Saturday 22 to 06:00 Mon 24 April
21:00 until around 05:00
Between 06:30 to 19:30, buses near the Marathon route will either be diverted or terminate early - please allow more time for your journey, plan ahead, or find alternative routes.
This affects the following routes:
To support the event there will be changes to DLR services on Sunday 23 April.
A normal Sunday service will return from 17:00.
Services to Prince Regent and Royal Victoria stations will be busier than usual from Wednesday 19 to Saturday 22 April due to the Marathon exhibition and registration event (Custom House station remains closed). It will be particularly busy on weekday evenings and all day Saturday.
On Sunday 23 April, the following stations will be extremely busy:
For up-to-date information on DLR services follow @LondonDLR on Twitter.
The following Santander Cycles docking stations will be suspended:
Busy roads may make it difficult for us to redistribute or replace Santander Cycles at docking stations near the event route. You can check availability using the online docking station map, or visit our cycling section for full information.
On Sunday 23 April. The following Tube stations are likely to be busier than usual:
If you can, allow more time for your journey or re-route to avoid these stations.
London Overground services are suspended between Harrow & Wealdstone and Euston. Read the latest advice.
Taxis and minicabs will run as normal, but journey times will be affected by traffic in the area. Please re-route or allow plenty of time for your journey.
For up-to-date information for the taxi and private hire industry, follow @TfLTPH on Twitter.
Local road closures will make other roads busy. Contact your coach operator for details about possible changes to services, and allow plenty of time to travel.
Engineering works may affect some National Rail services - check the National Rail Enquiries website for more details.
Marathon runners, race officials and on-duty St John Ambulance volunteers will be able to travel for free on London Underground, London Buses, London Overground, TfL Rail, DLR and Tram by showing their race number, officials' course pass or tabard. For more information, see the London Marathon website.
For safety reasons, passengers are asked not to use station platforms and stairs as race viewing points.To help save you time and avoid the queues, you can also plan how to pay for your travel in advance. Pages that might help include:
If you live on a road used by the event, please help the organisers by parking your vehicle off the route either on the evening of Saturday 22 April, or before 07:00 on Sunday 23 April. Vehicle removals across the whole route will start from 07:00 on Sunday 23 April.
More information can be found on the local resident pages of the London Marathon website.
If you make or receive deliveries in Westminster, talk to your customers and suppliers ahead of time. You may want to change the times of your deliveries to avoid road closures, or use alternative routes that avoid busy areas.
You can also: