Network Rail

• Network Rail is the company behind all the infrastructures in the United Kingdom. On these tracks you will find National Rail, Virgin Trains, First Great Western and more. Network Rail has over 50 trains a day heading to Portsmouth.
  
  

National Rail

• National Rail is one of the most convenient ways to travel by rail anywhere in the United Kingdom. It has the most stops in the most cities, including Portsmouth (see Resources).
  
  

Southern Railway

• Southern Railway services the southern part of London and the South coast. Trains travel to Portsmouth through West and East Sussex, as well as Surrey (see Resources).
  
  

Southwest Trains

• Southwest Trains serve the southwest part of the United Kingdom. Some cities include Salisbury, South Bank and Windsor (see Resources).
  
  

First Great Western

• First Great Western has over 210 stations across the United Kingdom and in all major cities. This train line is a convenient option for anyone looking to travel to seaside resorts like Portsmouth (see Resources).