Fallout 76
Project Zomboid
Colony Survival
Euro Truck
Sons of the Forest
Abiotic Factor
Plate Up
Barotrauma
Stardew Valley
Split Fiction
Portal 2
Some of the coop games I've played with the other devs recently.
No plans to alter the highway at the moment. That is a massive job and would delay 6.1 too much.
What I will do is bevel the walls at the top of the ramps to decrease the chance of wrecking your car.
Clip only blocks players and NPC's. You're referring to the invisible tool texture to block all entities.
However this applies to too many places on the map that we don't want all entities to be blocked by. At some point changes to DNA scanning will be made to allow for greater distances...