Good News in History, June 29
70 years ago today, the Interstate Highway System was established in the US to create a national road grid that today totals 48,440 miles across all 50 states (78,000 km). It ushered in the first national road numbering
70 years ago today, the Interstate Highway System was established in the US to create a national road grid that today totals 48,440 miles across all 50 states (78,000 km). It ushered in the first national road numbering
