Is jaylenosgarage big enough for the Big Boy? The legendary comedian with a well-known passion for cars recently tried his hand at steel wheels, riding in the cab of Union Pacific Railroad’s #UP4014 steam locomotive for an episode on “Jay Leno’s Garage.” Union Pacific and the nationalparkfoundation welcomed Leno and his team on the iconic steam engine and Union Pacific’s Heritage Fleet cars during a tour across western Iowa in September – part of its Heartland of America tour covering 10 states over 8 weeks. The special episode will be available to watch on Jay Leno's Garage YouTube channel next Monday, Sept. 23. Read and learn more at UP.com/InsideTrack. #JayLenosGarage #BigBoy4014 #BigBoyHeartland #UnionPacific #SteamLocomotive