Before revision: As the number of lanes increase from 2 to 4 and then 6 and, correspondingly, the operating speed from 40 km/ hr to about 60 km/ hr , the intersection spacing increases from a 90–200 m range to its double (200–400 m).
After revision: As the number of lanes increase from 2 to 4 and then 6 and, correspondingly, the operating speed from 40 km/ h to about 60 km/ h , the intersection spacing increases from a 90–200 m range to its double (200–400 m).