5 February 2016 / #OCDSB #ocsb Here's how you can find out about bus cancellations when the web site goes downHere’s a memo that went out to senior staff at local schools from the Ottawa Student Transportation Authority (OSTA). OSTA’s web site went down on Wednesday morning, when school buses were cancelled due to freezing rain.** OCDSB Memo - Bus Service Cancellation Communication ** from ** stittsvillecentral **