Currently on holiday in Croatia; beautiful country etc etc, but what the hell is wrong with your drivers?
Outside of cities it feels like the only speeds known to mankind are 90km/h for one lane roads and 130km/h for those with two or more.
A speed limit of 80 or 100 on a highway? Completely ignored, unless it's a tunnel, then 100 is ok.
Some section of road outside of a city says 70, 60 or 50? Ignored, just drive through with 90.
Beautiful two-lane road (D424) from A1 to Zadar with a limit of 80, me doing 90 because that's OK somehow and most other cars overtake me with 20 km/h more at least.
So, what is wrong with your drivers?
You can easily do that manually. The "mesh" part is either awareness of other routers for using 802.11k or awareness with wireless backhaul.
If you don't need 802.11k or easy wireless backhaul, you don't need mesh routers.