Toll Plaza — Difference between two Toll plaza

As per government rules difference between two toll plaza is minimum required 60k.m. but here in my area difference is near by 35 k.m. so what's the reason for this explain me
1 toll plaza - bhalgam toll plaza, ta.-kankrej, dist-banaskantha
2 toll plaza-mudetha toll plaza, ta.-deesa, dist-banaskantha