Hi all, I have been doing a quick test of a circuit with a 'figure of 8' layout. I have a problem at the crossover point, where the driveline darkened area on the lower track (generated by BTB when the track is exported) leaps up to the upper level when the upper track crosses over. I have checked that the driveline itself in BTB does not jump up. First image is in-game (Rfactor) looking under the bridge. Second image in in BTB looking down onto the bridge, showing the driveline geometry turned on. Any ideas anyone? Much appreciated. PS - Also, only the first timed lap registers, thereafter there is no timing. Is this related?