http://www.vancitybuzz.com/2015/04/lions-gate-bridge-close-vehicle-traffic-2030-government-agreement
"Any crossing replacement or expansion option would have to consider the reality that downtown Vancouver’s street grid does not possess the capacity to handle a significant increase in vehicle traffic volume. This could be further exacerbated by the City’s plan to demolish the Georgia and Dunsmuir viaducts, which will redirect traffic to other adjacent arterial streets." https://dailyhive.com/vancouver/lions-gate-bridge-close-vehicle-traffic-2030-government-agreement
Traffic on the Lions_Gate_Bridge should be replace with a 6-8 lane tunnel. Then the LGB could be a fine bike & foot crossing.