You may remember John Holod, who was shooting a documentary about Route 66 in 2011 for his "RV Adventure" DVD series. Holod has posted a generous 30-minute preview of his "Route 66 RV Adventure: Exploring the Mother Road" film, which is 90 minutes total. https://youtu.be/dzi_h_H80GA The DVD can be ordered here for $19.95.