YorkshireBear
Established Member
- Joined
- 23 Jul 2010
- Messages
- 9,672
The linespeed improvements are mainly between Trent Junction where the Nottingham and Derby lines join and Elstree & Borehamwood but there are some improvements between Derby and Sheffield as well.
The resignalling knocks 2 mins off journey times IIRC.
I imagine anything between Derby and Sheffield would not benefit the 158s though as i think most of that line is 110mph?