SELECT T2.Railway_ID ,  T1.Location FROM railway AS T1 JOIN train AS T2 ON T1.Railway_ID  =  T2.Railway_ID GROUP BY T2.Railway_ID HAVING COUNT(*)  >  1
Show id and location of railways that are associated with more than one train.
[Schema (values) (types)]: | railway |  railway : railway_id (text) , railway (number) , builder (text) , built (text) , wheels (text) , location (text) , objectnumber (text) | train : train_id (text) , train_num (number) , name (text) , from (text) , arrival (text) , railway_id (text) | manager : manager_id (text) , name (number) , country (text) , working_year_starts (text) , age (text) , level (text) | railway_manage : railway_id (text) , manager_id (number) , from_year (text);