answers: Texas State Highway 130
context: for roads in commercial business areas, 30-35 mph (56 km/h) for major roads in residential areas, 20-25 mph (40 km/h) for most municipal residential streets, including main north–south and east–west roads in county seats and other mid-sized to large towns, and 15-20 mph (24 km/h) for school zones during school arrival and departure times only. It is also only in effect on days that the school the road goes near is in session. Many schools have signs that blink when the school speed limit is in effect. There is no reduced school speed on divided highways, even if the school </s> the same is true for up to 600 miles of freeways in Michigan. Portions of the Idaho, Montana, Nevada, South Dakota, Texas, Utah, and Wyoming road networks have posted limits. The highest posted speed limit in the country is and can be found only on the Texas State Highway 130. For 13 years (January 1974–April 1987), federal law withheld Federal highway trust funds to states that had speed limits above . From April 1987 to December 8, 1995, an amended federal law disincentivized speed limits above . This table contains the most usual posted daytime speed limits, in miles per </s> to 59 mph and freight trains to 49 mph on track without block signal systems. ("See" dark territory.) Trains without "an automatic cab signal, automatic train stop or automatic train control system "may not exceed 79 mph." The order was issued in 1947 (effective 31 Dec 1951) by the Interstate Commerce Commission following a severe 1946 crash in Naperville, Illinois involving two Chicago, Burlington & Quincy Railroad trains. Following the 1987 Chase, Maryland train collision, freight trains operating in enhanced-speed corridors have been required to have locomotive speed limiters to forcibly slow trains rather than simply alerting the operator with
question: where is the fastest speed limit in the us