An easy fix for the illuminated roof on these cars is to install the LED strip lighting to the roof interior.
Ray
Originally Posted by ogaugeguy:
While running this set in a darkened room, I've noticed a considerable rooftop glow of the observation car from its interior lighting. The baggage car roof also has a considerable glow nearly as bright as that of the observation car. The glow from the roofs of the other cars is much less noticeable.
Before adding LED light strips I'll either paint the underside roofs of all the cars flat black, or add black paper or electrical tape to the ceilings to make them less translucent and more opaque.