Emma
Thats virtually a list of all the most threatened lanes in the Peak District.
Having said that, most of them are still legal and most are currently open however some are not.
Getting in touch with Mintsauce as suggested would be the best option because he will (I assume) have the latest info.
However, I can tell you that
Chapel Gate is currently closed to all motor vehicle traffic under an experimental TRO (see other threads on this forum for details).
Bradley Lane is currently closed to all motor vehicles under a temporary TRO for repair (but will presumably reopen as advertised in April).
The Copis no longer legal as it is a dual status bridleway (at least from "the Cop" up to Dirt Low Rake but i'm not sure about the short section up from the main road).
Shatton Lane is no longer legal as it's a restricted byway, although
Brough Lane is legal. The point at which they change is clearly signed near the road to Abney (I know this because I was up there last week).
The others are probably OK but that's the problem, their status is constantly being called into question and the ongoing process of reclassification is slowly but surely clarifying the situation.
Hope that helps but please do join the TRF, contact Minstsauce and go along to your nearest TRF meeting (doesn't necessarily need to be in that order

) because this is the best way to both find out whats happening and also influence it for the better.
Cheers
Richard