By City A.M. Reporter Major rail engineering work will take place on two weekdays this month in a trial responding to a change in travel patterns. No long-distance services will run on the East Coast Main Line (ECML) to or from London King’s Cross between Saturday February 17 and Tuesday February 20, Network Rail said. Maintenance and upgrade work requiring line closures is traditionally restricted to weekends and bank holidays to minimise the number of passengers affected, causing frustration for many people planning day trips and holidays. But this policy has been relaxed on the ECML as the …