You might want to consider an accordion door. It won't reduce the noise as much as a solid door, but might be enough to keep everyone happy. Solid doors take up valuable floor space and may interfere with cabinets and such. Accordion doors fold up against the wall, out of the way of traffic.
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.