The Count UP

55 the so called double dime speed restriction in the USA back in the 70's

The National Maximum Speed Law (NMSL) in the United States was a provision of the 1974 Emergency Highway Energy Conservation Act that prohibited speed limits higher than 55 miles per hour (89 km/h). It was drafted in response to oil price spikes and supply disruptions during the 1973 oil crisis.
 
62 a 62 gun salute fired from the Tower of London

At the Tower of London 62 rounds are fired on Royal anniversaries (the basic 21, plus a further 20 because the Tower is a Royal Palace and Fortress, plus another 21 'for the City of London') and 41 on other occasions
 
71 - King's Highway 71, commonly referred to as Highway 71, is a provincially maintained highway in the Canadian province of Ontario..

One for Invermike...