Below are a few links that we like and thought we would share them here.
HDBitchin, a unique Harley Davidson Online Community and Technical Forum (where Dennis aka maniacmac is a Supporting Vendor and a volunteer Global Moderator providing DIY Technical Assistance)
https://www.fhwa.dot.gov/byways
http://www.motorcycleroads.com
http://www.sundaymorningrides.com
http://www.cnn.com/2012/06/12/travel/best-motorcycle-roadshttps://www.motortrike.com/trikecontactus.aspx
http://www.openroadjourney.com
https://maps.harley-davidson.com/
http://www.bestbikingroads.com
http://motorcycles.about.com/od/placestoride/ss/The-15-Best-Motorcycle-Roads-In-America.htm
http://www.motorcycleroads.org
http://www.travelchannel.com/interests/sports/articles/top-10-motorcycle-road-trips