Dear Mamurzhan according to SNIP RK 3.03-09-2006 number of intersections and junctions on roads of I-III categories should be small. Crossings and junctions on roads of I-a category outside settlements should be, as a rule, not more than every 10 km, on the road of I-b and II categories every 5 km, and on the road of III category every 2 km. Pedestrian crossings at different levels (underground or overground) through roads of I-b and II category should be designed at crosswalk pedestrian volume of 100 p/h or more for roads of I-b category; 250 person/h or more for roads of II category, and with appropriate feasibility study other conditions are also permitted. Pedestrian fencing should be stipulated at the locations of these crossings.