I think that below i will have outlined the vast majority of missing locos and trains on existing British routes which includes both existing potential crossovers (*) and new content for relevant time periods so here goes... NTP Class 25 Class 31/4 with 4 Mk1 coaches * Class 37 * Class 56 Class 120 Class 123 Class 124 Class 128 Class 129 Class 141 Class 504 TVL Class 20 Class 47* Class 56 Class 142 Class 143 GWE Class 08/09 * Class 14 Class 22 Class 31 * Class 33 * Class 35 Class 37 * Class 40 * Class 41 Class 42 Class 45 * Class 47 * Class 50 Class 52 * Class 53 Class 56 Class 60 Class 117 Class 121 Class 123 Class 128 Class 210 Class 251/261 Pullman APT/E ECW Class 33 * Class 56 Class 60 Class 73 Class 171 Class 313 WSR Class 37 * Class 40 * Class 45 * Class 56 Class 60 Class 14, 22, 35, 41 and 42 Class 117/121 Class 120 I hope that these suggestions peak some interest, especially the transfer of existing motive power to existing routes as it is very hit and miss at this time with some routes getting them and others not. Tell me your thoughts.