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With the completion of my mainline, I am now looking ahead to designing and laying out the yards for Chetwynd and Dawson Creek. The actual layout of track will be driven by the prototpye and my desire to match it as closely as possible within the available space, but I wanted to throw out a few questions for those more experienced than I with layout design and operation.Chetwynd Yard will have five tracks adjacent to the mainline with a ladder at each end. The length of the two ladders may dictate that I don't get all five tracks. Dawson Creek will have four tracks adjacent to the mainline with a ladder at each end. All of the yard ladders will be the conventional layout ie. no compound yard ladders. I am using Atlas Code 55 track. My era is 1977 and freight cars to be operated within yard limits will include 85'-0" and 89'-4" trailer flatcars.My Questions1. Any advantage to using #5 vs #7 turnouts? They are the same length (although the #5s can be shortened) but the $5s have a wider angle of diversion.2. Ideal track spacing for parallel yard tracks for spotting cars, etc.? The #5s yield a parallel track spacing of 1 1/4" joined together in a ladder; #7s offer 1 1/8". Any advice, experience or thoughts appreciated,Tim