Turning a train... 1. One big freaking turntable. 2. Uncouple the train, switch each car and locomotive and turn on a normal sized turntable, reassemble the consist, couple, and go a couple days later. 3. A balloon track. 4. A wye with long enough legs to turn the entire train. 5. A wye with a leg too short.. repeat the procedure #2. Reversing a train... the hard way 1. Uncouple the locomotives and turn per "turning a train", move to opposite end of train and couple. 2. Flat switch any head end or tail end cars to there respective new positions. 3. Flip any seats as needed. Reversing a train... a little easier. 1. Plan ahead, two locomotives back to back. Simply flat switch the locomotives to the opposite end and couple. 2. Deal with flipping seats and head/tail end cars the "hard" way. Reversing a train the easy way 1. Locomotive at one end of train and a cab car or locomotive on the other. Engineer simply changes seats. 2. Don't flip seats. 3. No head end/tail end cars.