Government moves closer to launch of longer semi-trailers (LSTs) and weight increase for intermodal shipping25 August 2021

Longer goods vehicles could become a permanent fixture on Britain’s roads as early as next year, the government has announced. The Department for Transport has published its response to its consultation on the introduction of longer-semi trailers (LSTs), for which the majority of respondents were in favour of their use.

It follows a nine-year trial of the vehicles - which can be up to 15.65 metres in length, two metres longer than the current limit. The trial found them to be safer, more economical and better for the environment.

It is estimated LSTs could remove up to one in eight freight journeys by carrying the same amount of cargo in fewer lorries. This would support the government’s Transport Decarbonisation Plan by reducing mileage, congestion and carbon emissions.

Transport secretary Grant Shapps said: “Some 57% of those surveyed in the government consultation felt LSTs should be in general circulation and could see the positive effects the move would have on both the road haulage industry and Britain’s efforts to lead the fight against climate change. The nine-year trial saw a reduction in the number of lorries making journeys across the country, with an average 8% reduction in miles covered by freight, as well as a 6.2% reduction in pollutants expelled. It also found the use of LSTs reduced the number of road traffic collisions, resulting from fewer journeys being made. Road safety continues to be of paramount concern, and while the trial showed the use of LSTs caused fewer collisions, additional mitigations are under review to ensure hauliers and road users are kept even safer still.”

The consultation response was published here:

In related news, following a second consultation, the government will also soon launch a separate trial using heavier-than-normal, 48-tonne lorries, following a positive response from the consultation on their introduction. These lorries will be able to transport heavier containers directly to and from rail depots so that goods can be transported across the country by train.

Currently, the maximum weight of a lorry (44 tonnes) makes it difficult to carry heavier goods to rail depots, meaning goods are dispersed between more lorries to be taken to their end destination by road. Taking more goods in heavier trucks to rail depots to be transported by train will help reduce congestion across the country and also slash emissions. The trial would ensure these heavier lorries are only used on specific routes and would limit their use to a maximum journey length.

That consultation response is published here:

Transport Engineer

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