<i>&quot;60 years ago, we didn&#x27;t have highways.&quot;</i><p>Not quite. Here&#x27;s the US highway system in 1955.[1] Construction of the US Interstate Highway System started in 1956.<p>[1] <a href="http:&#x2F;&#x2F;www.mappery.com&#x2F;map-of&#x2F;Pre-Interstate-US-Highway-System-Map" rel="nofollow">http:&#x2F;&#x2F;www.mappery.com&#x2F;map-of&#x2F;Pre-Interstate-US-Highway-Syst...</a>