  ==events== ===january events=== * january 1 â all major railways in great britain are amalgamated into the "big four" companies, the great western railway, london and north eastern railway, london, midland and scottish railway and southern railway, under terms of railways act 1921. * january 30 â the canadian national railway (cn) absorbs the grand trunk railway and spins off the portion of the grand trunk within the united states to form the grand trunk western railroad (gtw); cn operates gtw as a subsidiary railroad. national ownership encourages freight rates favoring use of canadian seaports in the maritimes, and causes declining freight volumes over the new england line to grand trunk seaport facilities in portland, maine. ===february events=== * february 7 â london and north eastern railway (great britain) takes delivery of express passenger 4-6-2 steam locomotive flying scotsman from its doncaster works. ===march events=== * march 10 â norfolk and western railroad (united states) takes delivery of its first y3a class 2-8-8-2 steam locomotive from alco. ===july events=== * july 6 â in new zealand, about 6:00&nbsp;am on july 6, 1923, the southbound auckland to wellington express rounded a sharp bend and ploughed into a landslip which had fallen across the railway line near ongarue, just north of taumarunui. 17 passengers died, and 28 others were injured.{{cite web|url=http://www.nzhistory.net.nz/timeline&new_date=6/7|title=new zealand history online: today in history: july 6
1923_in_rail_transport