English: The M4 Motorway (Eastbound and Westbound Exit Slip Roads at Junction 33 (Capel Llanilltern), Cardiff) (40 MPH Speed Limit) Regulations 2018

Welsh: Rheoliadau Traffordd yr M4 (Ffyrdd Ymadael tua’r Dwyrain a thua’r Gorllewin wrth Gyffordd 33 (Capel Llanilltern), Caerdydd) (Terfyn Cyflymder 40 MYA) 2018