When TFL decided (back in 2008 I think? under Enfield's previous Administration in any event) to block off the right turn south into Brownlow from the NCR, it created a bad congestion problem for Warwick Rd residents. 

This was compounded by Haringey Council's decision to block off the left turn north into Brownlow from Bounds Green Road. The motive may have been good - ensure the safety of pedestrians leaving Bounds Green station - but the effect was the same: more traffic diverted…

Available for another month https://www.itv.com/itvplayer/neighbourhood-force/series-1/episode-2.