Amazon America currently has three LEGO City Train sets on sale. All three sets are discounted by 20% off. Free shipping on orders above $35. Thanks to forum member SSchmidt for the tip.
–60052 Cargo Train $159.99 (reg.$199.99)
–60051 High-speed Passenger Train $119.99 (reg.$149.99)
–60050 Train Station $51.99 (reg.$64.99)