Europe Travel Experts for Train & Public Transit Tips - EOD Mon Deadline

I'm working on two quick turnaround articles for Travel + Leisure and looking for expert sources to share tips about train travel and public transportation in Europe. Are you (or do you rep) a travel advisor, hotelier, or local expert in Europe who would be willing to share some tips? All sources will, of course, be credited. My deadline to gather quotes is EOD Monday, March 16th, so please reach out asap!