Board Thread:Tapped Out Help/@comment-101.176.231.163-20170421134235/@comment-26561761-20170422020324

You'll have to contact EA then. You get one Monorail Tunnel on the first week completed and the second one on the fifth week. If you're already on the 5 track and 5 donuts final prize it means your game glitched at some point preventing you to get the 2nd tunnel.