Not only does DST lead to a greater number of accidents http://www.sciencedaily.com/releases/2009/09/090901105148.htm , http://www.nydailynews.com/news/national/car-crashes-spike-monday-daylig...), studies have shown mixed results as to whether or not DST saves energy - which is the rationale for having DST in the first place.
As something that is disruptive and dangerous with dubious benefit, DST is an archaic idea overdue to be demolished.