Riddle

A trail, a union, together tied. Come across me and you will find, you cannot change the course I'm on, without me you can't travel on. What am I?

Choose an answer

A.A highway
B.A bridge
C.A river
D.Railroad Tracks.
Hint: It's a 2-word phrase with 14 letters, starting with "R".

Answer

Railroad Tracks.

Why this is the answer

Railroad tracks form a fixed, joined path that a train must follow and cannot travel without.

This riddle is filed under Time, Money, Music Riddles and rated Medium.