Amazon UK has some big discounts on current LEGO City train sets if you’re willing to import them. LEGO City Cargo Train (60052) is £97 which is $131 shipped and a 34% discount. LEGO City High-Speed Passenger Train (60051) is £69 shipped which is $95 and a 36% discount off the US price.
If you buy both together, the price will be slightly cheaper at $221. That’s only about $20 more than the US MSRP of the LEGO City Cargo Train (60052).