However, it noted that planning-related issues factor in the failure to provide consistent cellular coverage on trains. “Our work so far on railway coverage shows that mobile operators face problems accessing sites along railway tracks and train stock, in order to improve rail coverage,” Ofcom said. “Discussions between relevant industry players are underway, but the slow speed of improvements in this area indicates there could be some co-ordination issues. We intend to consider this further, in discussion with relevant stakeholders, to understand whether potential improvements in co-ordination could help improve railway coverage.