Article 171 Vehicle causing obstructionF1 Para. (1) rep. by 1995 NI 18Paras. (2)-(6) rep. by 1997 NI 2 Annotations Textual amendments F1 1981 NI 26 Notes on Chapter Textual amendments F2 2004 NI 15 ← Article 168A Article 171 Article 172 →