6 ms·
also, they are apparently safer than 'normal' left turns: http://news.ncsu.edu/releases/wmshummersuperstreets/ http://news.ncsu.edu/releases/wmshummersuperstree
by davito88 16y ago
also, they are apparently safer than 'normal' left turns: http://news.ncsu.edu/releases/wmshummersuperstreets/ http://news.ncsu.edu/releases/wmshummersuperstreets/