BR(W) signalling alterations notice (No. L.XO.86) Acton and Acton Yard, May 1967. 2pp with fold out plan.
Signalling Alterations Railtrack North West Special Notice Eccles Astley20/06/98
Signalling Alterations BR Southern Special Notice 35E Llanudno 1985
BR EASTERN REGION - SUPPLEMENTARY NOTICE OF SIGNALLING ALTERATIONS P'BORO 1972
BR(W) signal alterations notice Stage 3 Cardiff Multiple Aspect Signalling 1966
BR EASTERN REGION - SUPPLEMENTARY NOTICE OF SIGNALLING ALTERATIONS 1977 No. 97
BR(W) signal alterations notice Kensington North Main 1967
