Is the Great Belt Bridge a potential danger for pocket wagons? 25/01/21
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Is the Great Belt Bridge a potential danger for pocket wagons?
Once again, pocket wagons with semi-trailers are banned from the Danish Great Belt Bridge, due to what was perceived as a potentially threatening situation. The measure taken by the Danish authorities is understandable, in light of the fatal accident on the same bridge on 2 January 2019. However, it hits the intermodal industry hard. Was the situation really a threat? And why did a trailer shift from its place on exactly that same bridge?
The company involved in the incident, DB Cargo Scandinavia, says that claims reporting a ‘near accident’ are far from reality. Responding to queries of RailFreight.com, it commented that considering the seriousness of the situation, especially after the fatal accident on the bridge two years ago, talking about ‘near-accidents’ could prove disorienting. The company claims that the freight train in dispute underwent all the protocol controls before the trip. It had all the needed approvals, and nothing indicates that there was some kind of omission that led to the incident. Consequently, it considers the situation quite bizarre and complex.
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Wind currents
Weather conditions played a role in the accident two years ago. That is why it was required that BaneDanmark and the railway companies ensure that all freight transport on the Great Belt Bridge takes place under stricter conditions concerning freight trains’ speed with heavy wind conditions.
Is this sufficient, though? Reports state that strong, accelerating winds on the north side of the bridge are very common. One would expect that good operation management would be of priority to ensure the safety of trips. However, the investigation presents some ambiguous findings. For instance, despite the particular conditions that apply to the area, there are only two wind measurement instruments on the 18 kilometre-long bridge.
Despite the common acceptance that the bridge’s north side presents stronger weather phenomena, both measurement instruments lie on its south side. Simultaneously, the bridge does not have windshields that would slow down winds and secure trains’ operation.
Further steps
Understandably, findings from the Investigation Board are critical for assessing the situation and avoiding early conclusions. Nevertheless, if the Task Force implements changes on the security measures, weather conditions should be among the main focal points.
The ban on semi-trailers for a short period until the investigation’s conclusion makes sense. From that point on, if there was a safety omission from the rail company’s side, that could cause more accidents in the future, rules should get readjusted while considering very well all the possible factors that led to the security incident. That being said, authorities should thoroughly examine a long-term ban on semitrailers because the impact it can have on combined and intermodal transport can prove detrimental.