they almost need to widen the run off at the exit if that corner. It seems like the tire barricade in both cases absorbed a lot of force, but it also caught the nose of the car(s) turning them and with the stored and released force of the barricade, pushing them back on to the track.

Top 10 ways to amuse a geek
1. Make a list of the top 10 ways to amuse a geek.
10. Use binary.