. TERRACE BAY NEWS AUGUST 31, 1977. Beginning September 6,1977 'all Ontario speed and distance signs will go metric. This is howtolearnthe system. yh 5) R i PH re E. | Distance sign (changeover already in effect) | NIAGARA 85 WINDSOR. 330 78 Commission Canada. It's a very easy system, and most - countries around the world already 'use it. Ontario and other provinces are adopting it under a Canada- wide plan approved by Metric Speed limits are measured in kilometres per hour (km/h). Dis- tances are measured in kilometres (km) and metres (m). One metre is approximately the length of a long stride. One kilometre is 1000 metres or 5/8 mile (0.625). (One mile =1.6 km) An easy way to familiarize yourself with kilometres is to consider the time factors involved --for example, 80 km (50 miles) would take about 1 hour to drive at a speed of 80 km/h (50 mph). Study the signs shown here and you'll get the picture quickly. To learn the system faster, "think metric" --don't convert back to the old Imperial unit of miles. And to measure your gas consumption in ~ kilometres per gallon, divide the number of kilometres travelled by the number of gallons used. + Get a free copy of the inforTaeg - tive booklet "Ontario Roads Go Metric" from any Ministry of Transportation and Communications office or LCBO outlet in Ontario. James Snow, and Communications William Davis, Premier : Province of Ontario Minister of Transportation