Hi, after a few months of lurking and reading, I thought I'd make my first post, so go gently on me. 
I'm no rail expert, I just merely have an interest in the railways and how they work and why things are how they are.
Going to uni, I have to go to Stratford every day, and there are a couple of things that I've always wanted to know, and this seems the best place!
1. There always seems to be a London Overground 313/378 'parked' in platform 2 at Stratford. Is there any reason for this? Is it for use at short notice to cover problems or something?
2. Why are there regular ECS on the NXEA metro service during the rush hour? I'm sure there's a simple, logical explanation, but I thought during the rush hour, they'd have as many trains in service as possible, yet when I'm waiting for my train to Seven Kings, there is always an ECS pass through between trains.
I'm no rail expert, I just merely have an interest in the railways and how they work and why things are how they are.
Going to uni, I have to go to Stratford every day, and there are a couple of things that I've always wanted to know, and this seems the best place!
1. There always seems to be a London Overground 313/378 'parked' in platform 2 at Stratford. Is there any reason for this? Is it for use at short notice to cover problems or something?
2. Why are there regular ECS on the NXEA metro service during the rush hour? I'm sure there's a simple, logical explanation, but I thought during the rush hour, they'd have as many trains in service as possible, yet when I'm waiting for my train to Seven Kings, there is always an ECS pass through between trains.