Monte Creek to Pritchard map:
http://www.th.gov.bc.ca/highwayproje..._Lidar_Map.pdf
Warning: Long pdf...
I wonder if they're going to number the at-grade intersections like what they've done with Highway 17 and 19 on the island... If that's the case, Bostock Road would be exit 403 and Martin Prairie Road (Pritchard) would be exit 410...