to build another Gresley P2 2-8-2 of the "Cock O'the North" Class, to be called "Prince of Wales". Both new steam locomotives are the product of a restored railway works in Darlington. Other designs LNER Class A1 – continuation of a GNR design. Several built under the GNR entered service under the LNER. LNER Class A2 – based on an NER design simply designated as 4.6.2 LNER Class A5 – Continuation of a GCR design LNER Class A8 – rebuilt from H1 between 1931 and 1936 LNER Class B12/3 – based on an existing GER design LNER Class B16 – continuation of an NER design LNER Class C9 – C7 rebuild LNER Class D16 – based on an existing GER design. Built by the GER but delivered after grouping. LNER Class J27 – continuation of an NER design LNER Class J45/DES1 English Electric diesel electric shunting locomotive LNER Class DES2 Brush diesel electric shunting locomotive LNER Class J50 – continuation of a GNR design. Thirty were rebuilds of Class J51. LNER Class J72 – NER Class E1 LNER Class J94 – WD Austerity 0-6-0ST LNER Class N2 – continuation of a GNR design LNER Class N7 – continuation of a GER design LNER Class N15 – continuation of an NBR design LNER Class O6 – LMS Stanier Class 8F – 60 loaned to the LNER 1943–47; 68 purchased 1945–46, sold to LMS 1947 LNER Class O7 – WD Austerity 2-8-0 – 350 loaned to the LNER 1943–47; 200 purchased 1946; 270 loaned to the LNER 1947 USATC S160 Class – 168 loaned to the LNER 1942–1945 WD Austerity 2-10-0 – 13 loaned to the LNER 1943–44; 20 loaned 1945–46 LNER Class S1 – Continuation of a GCR design LNER Class T1 – NER Class X LNER Class Y1 – Sentinel shunter LNER Class Y3 – Sentinel shunter LNER Class Y7 – NER Class H LNER Class Y10 – Sentinel shunter LNER Class Y11 – Simplex 0-4-0 petrol locomotive (later British Rail 15097–15099) Post-Nationalisation British Railways continued to build LNER designs (the B1 and L1 classes in particular) immediately after Nationalisation. Remarkably, it even built a new series of shunting locomotives (J72 class) to a pre-Grouping design (of the North Eastern Railway). However, it was to be the Eastern Region that took the first of BR's new Standard locomotives, 70000 'Britannia', for its Great Eastern Main Line workings to Norwich in