New type of braking being tested every Sunday Barnt Green to Redditch, in October to help lessen wheel slips.
https://www.redditchadvertiser.co.uk/news/17926298.barnt-green-redditch-line-close---solve-leaves-line-delays/?fbclid=IwAR1Q2QfArMDgpk67FGOvYnb8mE5dLnTuh_s8APFw49eNRvNjYQxDH9X-FBE