There is a low emission zone in Oxford. By 01/01/2014 Buses Euro V Public transport buses Buses with routes into the city centre NOx and PM retrofit are allowed Permanent Traffic Regulation Condition (TRC) Currently a voluntary agreement with bus companies. Will become enforced through the Traffic Commissioner if the voluntary agreement does not work. None Phased compliance prior to deadline of 01/01/2014. bus qualifying agreement, bus quality agreement |