The driver of a vehicle approaching an intersection shall yield the right of way to a vehicle which has entered the intersection from a different street, provided that the driver of a vehicle on a street which is not a state or federal highway approaching an intersection with a state or federal highway shall stop and yield the right of way to a vehicle which has entered the intersection or which is so close thereto as to constitute an immediate hazard. When two (2) vehicles enter or approach an intersection from different highways at approximately the same time, the driver of the vehicle on the left shall yield the right of way to the vehicle on the right. (1998 Code)