Trains at Redhill are provided by Southern, Thameslink, Great Western Railway.
The typical off-peak service in trains per hour is:
Southern 
2 tph to London Victoria
2 tph to Reigate
1 tph to Tonbridge
Thameslink 
2 tph to Bedford via Luton
2 tph to Peterborough via Stevenage
2 tph to Gatwick Airport
2 tph to Horsham via Gatwick Airport
Great Western Railway 
2 tph to Reading via Guildford (1 semi-fast, 1 stopping)
1 tph to Gatwick Airport
There are also varying freight services, mostly consisting of stone trains to Crawley or Ardingly, and engineering workings to and from Tonbridge Yard.
Trains at Redhill are provided by Southern, Thameslink, Great Western Railway. The typical off-peak service in trains per hour is:
Southern 
2 tph to London Victoria
2 tph to Reigate
1 tph to Tonbridge
Thameslink 
2 tph to Bedford via Luton
2 tph to Peterborough via Stevenage
2 tph to Gatwick Airport
2 tph to Horsham via Gatwick Airport
Great Western Railway 
2 tph to Reading via Guildford (1 semi-fast, 1 stopping)
1 tph to Gatwick Airport
There are also varying freight services, mostly consisting of stone trains to Crawley or Ardingly, and engineering workings to and from Tonbridge Yard.
Redhill railway station