Both of these streets border and contain the middle/high school complex. Both have an extended 15 mph zone for several blocks paralleling the school properties. Catch is, it’s 24/7/365; middle of the night, Christmas morning, whatever. 15 mph is artificially slow and easily broken by even a mile or two an hour, especially on Grogan, which is a wide street. The Quaw school zone, which is on a busier street and has school buildings on either side, is a 20 mph zone. Belgrade police love Grogan St., I see them around it a lot.