50:60 Question Admin at 8:52 am January 3, 2014 Oh. Liam Knuj asks: What’s the speed limit in Rockbrook, Co. Dublin (above) ? If you pass the signs in the other direction, you also get the same mixed message. Anyone? FacebookTwitterPinterestSponsored Link Related posts: How Fast Are You Moving Right Now? Road Safety For Dummies My Insane Drum Machine Skills. Let Me Show You Them The World’s Fastest Everything