One mistake I have seen new riders do is cross Texas gates too slow thinking they may lose control.  The truth is if you cross them at a slow speed you are far more likely to take a spill than if you go over at 15- 20 mph.

I don't know if you call them Texas gates in the U.S. but that is what we call the cattle gates made of pipe or rail road rail with about a 4" inch space between the pieces.  The cows won't cross but it allows traffic to flow through.

those fool things get so slick when it rains (the metal ones, anyway) I will go a different way if at all possible when it's wet: the metal ones should be outlawed