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Southern is running extra trains with additional coaches to Brighton and Preston Park first thing from locations around the county to ensure runners make the 9am start, although passengers are warned of engineering works in East Sussex that could affect their journey.
People are also warned to expect crowds at both Brighton and Preston Park in the morning and later in the day.
Brighton Main Line
Most services will be formed of 10 or 12 carriages until 8pm.
5.02am Victoria to Brighton, calling at Gatwick Airport, Three Bridges, Haywards Heath, Preston Park and Brighton (arriving 6.22am)..
5.47am Victoria to Brighton, calling at Gatwick Airport, Three Bridges, Haywards Heath, Wivelsfield, Burgess Hill, Hassocks, Preston Park and Brighton (arriving 7.08am).
6.20am, Victoria to Brighton, calling at Gatwick Airport, Three Bridges, Haywards Heath, Wivelsfield, Burgess Hill, Hassocks, Preston Park and Brighton (arriving 7.38am).
6.32am Victoria to Brighton, calling at Gatwick Airport, Three Bridges, Balcombe, Haywards Heath, Wivelsfield, Burgess Hill, Hassocks, Preston Park and Brighton (arriving 7.58am).
7.02am Victoria to Brighton, calling at Gatwick Airport, Three Bridges, Haywards Heath, Preston Park and Brighton (arriving. 8.17am).
West Coastway
The following services to be formed of eight carriages.
6.06am Barnham to Brighton, calling at Littlehampton, Worthing, Lancing, Shoreham, Southwick, Portslade, Hove and Brighton (arriving 6.55am).
6am, Portsmouth Harbour to Brighton, calling at Chichester, Barnham, Ford, Angmering, Goring, Durrington, West Worthing, Worthing, Lancing, Shoreham, , Southwick, Portslade, Hove and Brighton (arriving 7.25am).
7.37am West Worthing to Brighton, calling at Worthing, East Worthing, Lancing, Shoreham, Southwick, Fishersgate, Portslade, Aldrington, Hove and Brighton (arriving 8.06am).
8.10am West Worthing to Brighton calling at Worthing, East Worthing, Lancing, Shoreham, Southwick, Fishersgate, Portslade, Aldrington, Hove and Brighton (arriving 8.40am).
East Coastway
Engineering works means that the normal service is amended.
The following services to be formed of eight carriages.
6.44am Eastbourne to Brighton, calling at Hampden Park, Polegate, Berwick, Glynde, Lewes, Falmer, Moulscoomb, London Road and Brighton (arriving 7.27am).
6.54am Eastbourne to Brighton, calling at Hampden Park, Polegate, Lewes, Falmer, Moulscoomb, London Road and Brighton (arriving 7.37am).
7.30am Eastbourne to Victoria, calling at Hampden Park, Polegate, Berwick, Glynde, Lewes, Falmer, Moulscoomb, London Road and Brighton (arr.iving 8.13am).
8.12am Eastbourne to Brighton, calling at Hampden Park, Polegate, Lewes, Falmer, Moulscoomb, London Road and Brighton, (arriving at 8.52am).
Bus services in the city will be disrupted between between 8am and 4pm.
Most roads in the city centre will reopen at 11.30am and buses can go back to normal routes although it is likely to take time for services to return to their usual timetables.
Church Road and New Church Road will be closed west of The Drive from 8am to 3pm so buses will not serve Hove town hall.
From 8am most buses approaching the city centre from the west will terminate at Churchill Square/Western Road..
Buses travelling from the east will start and terminate at Gala Bingo, Lewes Road bus garage or Fiveways.
Routes 1/1A will run a service between Mile Oak and Churchill Square/Gala Bingo and Whitehawk only.
Routes 2/2A will operate between Steyning/Shoreham and Churchill Square only.
The section of route to Woodingdean and Rottingdean will be suspended until noon with alternative services will be available on diverted Routes 14 and 27.
Routes 5/5A/5B will operate between Hangleton and Churchill Square only.
A shuttle service will operate between Hollingbury ASDA and Patcham (Mackie Avenue).
Route 6 will operate a normal service but via Portland Road until 3pm.
Route 7 will operate between George Street and the Clock Tower only. Buses will operate from Brighton Station via Upper Gloucester Road, Buckingham Road and Dyke Road, returning from the Clock Tower via Queens Road as normal
Services to the Marina will be suspended until 11.45am with alternative services available on Route 23.
Route 27 from Saltdean will terminate at Gala Bingo and a shuttle service will run between Westdene and the Clock Tower. Buses will operate from Brighton Station via Upper Gloucester Road, Buckingham Road and Dyke Road, returning from the Clock Tower via Queens Road as normal.
For full details, visit www.buses.co.uk
Roads affected into Brighton until 4pm
Access to Madeira Drive will be restricted all day.
There will be parking bay suspensions in Brunswick Terrace, Eaton Place, Grand Avenue, Haddington Close, Kingsway, Madeira Drive and St Georges Terrace.
The Regency Square Car Park will be open on the race day, however it will not be possible to enter or exit the car park during the race.
The Lanes Car Park will be open all day.
Park and ride schemes with 3,000 spaces are available at the following locations:
University of Brighton – parking at the following sites: Moulsecoomb – Watts building, Mithras House and Crockcroft.
University of Sussex – parking at main University Campus on the A27.
Yellow park and ride signs will be set up on the A27.
Entry is £5 per car.
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