Express Coaches are Red Coaches That are Mostly Pulled Gordon, James and Henry,They were also Later Pulled By Sir Handel in Sir Handel & The Brakevan.
In Season 15" Episode 22: Polar Express Coming Through! There 3 Painted Green Express Coaches just Like in The Television Series of Thomas and friends
Express Coaches are Coaches Mostly Pulled by Henry,Gordon or James.
In The Episode Polar Express Coming Through! Gordon's Brother Flying Scotsman Pulls The Express and Later with The 3 Green Express Coaches are Pulled by Bear.