Infrastructure
The line diverges from the Great Eastern Main Line at Shenfield, and is double track throughout. The line is electrified at 25 kV AC, has a loading gauge of W6, and a line speed of between 80-105 mph.
Services are formed using Class 315 or Class 321 electrical multiple units. A Class 360 Electrical Multiple Unit is used occasionally on the services.
A journey from Shenfield to Southend Victoria takes around 35 minutes. The service to Southend calls at all stations en route, and all stations towards Shenfield (except Sundays as Prittlewell station is closed).
Read more about this topic: Shenfield To Southend Line