One has to fill in forms stating what’s of interest etc and being new to the process, we put thought into this.
23 were permitted per vehicle and we ended up making the balance with a Canadian group travelling together.
After the first 1.5 hours, we had travelled 4km and had stopped to discuss kudu, impala and boons. I was nearly asleep and the rats, who were all excited about their first Sunset drive, were whining to go back to camp as it was so boring.
As the sun set we spent 10 minutes discussing the stars and continued to stop for every set of reflecting eyes, which 90% of the time were impala.
We also stopped to discuss non nocturnal animals that one would see in 10 minutes in their own vehicle during the day.
It’s a large amount of money spent for an entire family to go on one of these drives to see things that one can’t see in the daylight hours and to spend that time stopping for the daylight gang is frustrating.
In larger camps when multiple vehicles are going out is there any merit in having one for the “novices” and one for those who know what they want and where to find it
We did have a lot of overseas tourists on our drive, and we did stop for impalas and boons...but only the first time...after that we just drove past them. We were actually quite lucky on our drive. But your suggestion sounds good...don't know if could actually be put into practice but it does make sense. 
