OC Transpo's new Rural Express Route 23 replaces route 231 and offers service to downtown Ottawa via Sarsfield, Navan Road, Chapel Hill South, and Blair Station. Connections are available at Hurdman Station for Carleton University and in downtown Ottawa for Gatineau. Click here for the map. The above link has the schedule. Three trips will run west to downtown Ottawa each morning from Monday to Friday, and two trips will return each afternoon. Rural express fares will apply.