In the 70s and 80s it seemed common for these types of situations to be handled by access roads that ran parallel to the through road. The access road handled a

In the 70s and 80s it seemed common for these types of situations to be handled by access roads that ran parallel to the through road. The access road handled all of the individual driveways, was lower speed, and had controlled entrances and exits to the through road. Access roads are still being built but they seem to be much shorter and serve few entities than the designs from the 70s and 80s, which results in more intersections between them and the main through road. My best guess for this design change is that businesses further along the access roads were at a disadvantage as they were less convenient to get to than businesses or properties closer to the entrance point.