Show know your traffic laws vehicle entering a through highway the driver of a behice shall stop at the entrance to a through highway and shall yield the right of way to ther aher vehicles which have entered the intersection from said through highway or which are approaching so closely on said through highway as to constitute an immediate hazard but said sai d driver having so yielded may pio pi 0 aeed and the drivers of all cehi cles approaching the intersection 1 on said through highway shall yield the right df cf way to the cehi I 1 cle c e so aing into or across the through highway |