A2 Belfast to Bangor Road (Culloden) calibration certificates Date published: 13 May 2022 A2 Belfast to Bangor Road (Culloden) calibration certificates, east and westbound Documents A2 Belfast to Bangor (Culloden) calibration certificate C1 Adobe PDF (80 KB) A2 Bangor to Belfast (Culloden) calibration certificate C3 Adobe PDF (80 KB) Help viewing documents Share this page Share on Facebook (external link opens in a new window / tab) Share on Twitter (external link opens in a new window / tab) Share by email (external link opens in a new window / tab)