A2 Belfast to Bangor (Dicksons) calibration certificate Date published: 13 May 2022 A2 Belfast to Bangor Road (Dicksons) calibration certificate, eastbound Documents A2 Belfast to Bangor (Dicksons) calibration certificate D1 Adobe PDF (82 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)