| Event Category | Disaster |
| Event Group | Natural |
| Event Subgroup | Meteorological - Hydrological |
| Event Type | Winter Storm |
| Place | Barrie ON |
| Event Start Date | March 18, 1973 |
| Event End Date | March 18, 1973 |
| Comments | Barrie ON, March 18, 1973. A bus-truck collision on Hwy 400 caused 12 deaths and 43 blizzard-related injuries. |
| Fatalities | 12 |
| Injured / Infected | 43 |
| Evacuated | 0 |
| Estimated Total Cost | Unknown |
| Federal DFAA Payments | $0 |
| Provincial DFAA Payments | $0 |
| Provincial Department Payments | Unknown |
| Municipal Costs | Unknown |
| OGD Costs | Unknown |
| Insurance Payments | Unknown |
| NGO Payments | Unknown |
| Utility - People Affected | 0 |
| Magnitude | 0.0 |