I have used Prodigy Express on my layout for a year, and now decided to add another Prodigy Express walkaround. I got the new walkaround yesterday and tried it out last night. Things did not work very well. When I added the second walkaround my old walkaround did not work properly. When I wanted to stop the loco, it did not stop, but continued on for a period of time. When I wanted it to go, it took a long period of time before it started to move. A friend of mine just purchased a new Prodigy Express system so we tried his walkaround, but the same thing happened when we had two walkarounds connected to the layout. We tried his walkaround and my new one, but things worked the same as it did with my old walkaround and my new one. Everything works fine with just one walkaround. Does anyone have any suggestions as to why I can't use two walkarounds at the same time and have both of them functioning properly? Is there anyone on the gauge who uses Prodigy Express with two walkarounds? I would like to hear from you.