National Maximum Speed Law

In 1973, Congress enacted a national speed limit of 55 mph (90 km/h). Some states, such as Washington, enacted lower speed limits.

The National Maximum Speed Law (NMSL) in the United States was a provision of the Federal 1974 Emergency Highway Energy Conservation Act that prohibited speed limits higher than 55 miles per hour (90 km/h). It was drafted in response to oil price spikes and supply disruptions during the 1973 oil crisis.

单词	Double nickel
释义	Double nickel 英语百科 National Maximum Speed Law The National Maximum Speed Law (NMSL) in the United States was a provision of the Federal 1974 Emergency Highway Energy Conservation Act that prohibited speed limits higher than 55 miles per hour (90 km/h). It was drafted in response to oil price spikes and supply disruptions during the 1973 oil crisis.
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Double nickel

National Maximum Speed Law