Well I did 15 miles on the greenway today with my road bike and it was great. The wooden bridges and a few other spots had me a bit nervous with the cheap road tires I have but it went well. I may invest in some more appropriate tires for the greenway but it was good. It seemed so much easier than road riding and took the stress out of worrying about cars riding so close to me. I will probably venture out to the greenways more often as I'm really only riding for exercise. It was pretty quiet. A few people walking and the occasional biker but very quiet which was nice.