If we use gravel then even enough of that coming on the track could trigger a red flag. TechPro walls look like a better solution than gravel.
The main issue is the intransigence of the drivers. I say put grass there for the F1 race every year and then pave it over for the other series. The track owners can send the yearly bill to the GPDA.
The downsides are that it’s difficult to avoid those areas and touching the barriers will often cause a red flag.
If we use gravel then even enough of that coming on the track could trigger a red flag. TechPro walls look like a better solution than gravel.
The main issue is the intransigence of the drivers. I say put grass there for the F1 race every year and then pave it over for the other series. The track owners can send the yearly bill to the GPDA.