Saying Goodbye to The Kingshighway Street Viaduct

Why is the parapet open on my left side to traffic? There was a bus stop on both sides at the top of the viaduct. Employees of the former Ravarino & Freschi Pasta (R & F Pasta on Kingshighway and Shaw - NE corner) used this bus stop.

View from one former bus stop looking across Kingshighway at the northbound stop.

At the bus stop looking south.