4 Model Railroad Questions

If you are an experienced model railroader you might like to assist with answering one or more of these questions asked by readers:

1. Ken asks: "How do you make an old (1960's) HO locomotive run quietly?"

2. Mike asks: "What is the minimum realistic HO track radii"

3. Gary asks: "Can I get locomotive sounds for my HO DC layout?"

4. Val asks: "I have just started to build my railway in 00 scale. Can you tell me how wide the roads should be. Thank you."