Adelaide's slippery paved roadways

I am 100% certain that most councils would test the materials they purchase to make sure they are going to be suitable for particular task and I am 100% certain that Adelaide City Council probably left the decision to purchase these pavers to one completely unqualified person... whoops.

http://indaily.com.au/news/2014/09/16/slippery-paver-worry-vic-square/

https://au.news.yahoo.com/sa/a/25007097/slippery-pavers-force-speed-limit-cuts-in-adelaide/

http://www.news.com.au/national/south-australia/new-28-million-victoria-square-upgrade-hit-by-slippery-pavers-row-as-speeds-cut-to-25kmh/story-fnii5yv4-1227060427232

http://www.couriermail.com.au/news/national/investigation-launched-after-multimilliondollar-hindley-st-upgrade-makes-road-too-slippery-for-cars-speed-limit-cut/story-fnii5yv5-1227059610744

http://www.couriermail.com.au/news/national/new-28-million-victoria-square-upgrade-hit-by-slippery-pavers-row-as-speeds-cut-to-25kmh/story-fnii5yv5-1227060427232