News Emergency culvert replacement will close part of County Road 504 SHARE ON: Andreas Pandikiu, contributor, Monday, Dec. 4th, 2017 Photo credit: Supplied by Peterborough County. A stretch of County Road 504 in North Kawartha will be closed tomorrow and Wednesday for an emergency culvert replacement. Peterborough County says the road will be closed just south of Hall’s Road near Apsley. Those who need to get to properties north of that can take Glen Alda Road. Anyone who needs to find out about busing information during the closure can contact Student Transportation Services of Central Ontario. Photo credit: Supplied by Peterborough County.