Mouth ulcers are also a possible symptom of a viral infection that mainly affects young children, called hand, foot and mouth disease. Speak to your GP or call NHS 111 if you're unsure. Read about the symptoms of hand, foot and mouth disease.
It was not until 1965 that a national upper limit of 70mph was introduced for all roads, including motorways. Since 1977 the speed limit for cars and motorcycles on dual carriageways has been 70mph, with a 60mph speed limit on single carriageways.
Canadian speed limits have been posted in kilometres per hour (km/h) since 1977.Before then, when Canada used Imperial units, speed limits were in miles per hour (mph).osted speed limits may differ from the statutory speed limit as indicated by speed limit signs. In most provinces and territories, statutory speed limits are 50 km/h in urban areas, 80 km/h in rural areas.