Categories Uncategorized Update: Highway 403 Now Open Post author By admin Post date January 25, 2014 (OXFORD COUNTY, ON) – Oxford County Ontario Provincial Police (OPP) is advising that Highway 403 westbound is now re-opened. The highway was shut down westbound at Highway 53 (County Road 55) due to an earlier collision. Share this:Share on TumblrTweet Click to share on Reddit (Opens in new window) Reddit Click to share on WhatsApp (Opens in new window) WhatsApp Like Loading... Tags OPP ← ROAD CLOSURE ADVISORY – 401 → Hit and Run