because of a substandard design. Freeway speed limits in urban areas can be as low as 45 or 50 mph in a few very short sections in downtown Kansas City and St. Louis, or as high as 65 mph in the outer portions of the St. Louis, Kansas City and St. Joseph areas. The Cape Girardeau and Joplin areas have no reduced freeway speed limits, and I-435 around Kansas City has a 70 mph limit from I-35 in Claycomo to the Kansas State Line around the northern and western part of the metro area. I-29 in Kansas City has a limit of 70 mph north of Barry Road in Platte County to south of Highway 169 in Buchanan County where the limit drops to 65 mph. North of Frederick Road in Buchanan County the limit returns to 70 mph until the Iowa state line. Montana As of October 1, 2015, the maximum speed limit in Montana is . On May 5, 2015, a bill to increase Montana's rural interstate highway speed limit from 75 to 80 mph was signed into law by Governor Steve Bullock. Reasonable and prudent In the years before the 1974 national 55 mph limit, and for three years after the 1995 repeal of the increased 65 mph limit, Montana had a non-numeric "reasonable and prudent" speed limit during the daytime on most rural roads. Montana Code Annotated (MCA) Section 61-8-303 said "A person ... shall drive the vehicle ... at a rate of speed no greater than is reasonable and proper under the conditions existing at the point of operation ... so as not to unduly or unreasonably endanger the life, limb, property, or other rights of a person entitled to the use of the street or highway." Montana law also specified a few numeric limits: a night speed limit, usually , depending on road type; in urban districts and in construction zones. The phrase "reasonable and prudent" is found in the language of most state speed laws. This allows prosecution under non-ideal conditions such as rain or snow when the speed limit would be imprudently fast. No speed limit On March 10, 1996, a Montana patrolman issued a speeding ticket to a driver traveling at on a stretch of State Highway 200. The 50‑year‑old driver (Rudy Stanko) was operating a 1996 Chevrolet Camaro with less than on the odometer. Although the officer gave no opinion