I did some K-Barrier in wood, sealed it and painted it yellow and white in scale 12' sections. The boundary of the pits is enclosed with that barrier now and I have a few extra for the infield emergency vehicles to hide behind.
The big project the last 3 days has been what was intended to be the back stretch grandstands, press box and VIP seating. The problem is I was operating by my old diagrams measurement since my track was in another location, once I took the partially completed grandstands over, well, it was 1/2" too deep.
Instead of trashing it I decided to just go ahead and finish it. Here's how it looks so far, remember this is 100% balsa wood at this point, unfinished and unpainted, it will be either gloss white or the same light beige that the existing plastic grandstand on the layout is.
The piece is 24" long, 4" deep and currently 3" high. The structure in the center is a small press box with an access door and the VIP section above with angled glass area. There will be windows on either side of the door on the lower press box and the full length window in the VIP section above. Once completely painted those windows will be simulated using gloss black contact paper. Other windows will also be simulated the same way. All the windows will be framed.
Here is a true HO (1/87th scale) figure for scale. At 3" high it's a scale 21' high, not enormous by any standards but for a small fairground track plenty high. The VIP section is about 7 1/2' total in interior height, slightly out of scale but not exceedingly so. Scale length is 174' long, depth is almost 22'. Seating capacity could be close to 300 on a good night.
The back has a small "smokers" balcony with 2 doors leading out from the VIP box. There will be a really nice photo etched metal fire escape down from this balcony when it's done. There will be plastic railing around the balcony and safety cage ladders leading to the roof, which will also be railed. The roof can be used for spotters, camera crew or just to watch the race. I will probably do a couple of windows on the back of the box as well.
I haven't decided where the bathrooms will be located on this piece, but entrances will be represented by simple doors. This piece is hollow but it does have a sealed bottom. Not sure what I'm going to do with it since it won't fit on my track but it will be finished.