Transport committee  We used four data sets that could be found across the country. That was one of the biggest challenges: finding the navigation data for both commercial and recreational traffic such that it could be comprehensive. The first one we used was a CHS score, which was generated by anal

Transport committee  The last one is a survey score that was used. In discussion...it was a survey with our regional officers and our managers, who have been spending decades working both with users and with builders in the waterways.