When did school zones get brought in?

depending on which city you live in chilliwack it is 7-30 to 5 in surrey 8am to 5 pm on school days only so does not include holidays or weekends , or when school is not in seassion such as spring break or summer time.

Also remember school zone is only 30km if it is posted under the school sign otherwise you go posted speed limit. Hope that answered your quesiton im jay a driving instrucor in surrey work for metro driving school.