Portal:Roads/Did you know

...that there is no nationwide numbering system in Canada, but the Trans-Canada Highway (pictured) provides a continuous network through all the provinces?
...that there are no continuous motorway links through London inside the M25 orbital motorway?
...that the entire McMurdo-South Pole highway was successfully traversed in 2006?
...that there are trans-national highways and road networks that span entire continents, including the Pan-American Highway and the continental road networks in Asia, Africa, and Europe?