|As of Dec. 2015 all Montana's Secondary Highways "SR-x" are to be labeled "S-x" in accordance with MDOT regulations and Waze Wiki highway naming.|
Montana observes the following locking standards on the following types of road segments. All roads must be locked at least to the minimum level stated. If needing a segment unlocked or locked to a </> level please use the Unlock and Update Request forum.
^1 Freeways may be locked at a 4 or 5.
See Montana/Major roads for guidance in Montana that may not be universal to all other states and territories.