Paris, The 3rd destination of our Euro Trip, an iconic city of light has inspired all of the lovebirds around the globe to complete their love story. Day 1: Getting Headache with The Public Transportations Paris have 5 types of public transports, Rail (Metro, RER, SNCF, Tramway) and Bus. Paris boasts one of the world’s safest and most efficient public transportation systems. Trains usually arrive on time; buses are well-appointed and clean, and commuter express (“RER”) trains service the city’s most important stops in record time. What’s not to love?