# traffic intersection patterns visualisation of possible combinations of cars signaling turn directions at a traffic intersection * [all](traffic-intersection-patterns/all.2.html) * [all, variation](traffic-intersection-patterns/all.html) * [with only three entities](traffic-intersection-patterns/three.html) ## how this was created * sph-lib (sph vector selection) * svg xml via sxml * using guile, sph-lib and guile-lib * source code [intersection-patterns.scm](traffic-intersection-patterns/intersection-patterns.scm)