Title: Evaluation of the national HGV speed limit increase in England and Wales: year 1 interim summary
Organisation: Department for Transport
Date uploaded: 23rd November 2016
Date published/launched: November 2016
Introduced in April 2015, the new national speed limits mean that HGVs over 7.5 tonnes can drive at 50 mph (up from 40 mph) on single carriageway roads and 60 mph (up from 50 mph) on dual carriageway roads in England and Wales.
This evaluation, published on 3 November, shows an estimated fall in the number of HGV collisions of between 10% and 36% - although the researchers acknowledge it is not possible to attribute this directly to the speed limit changes.
The analysis also shows that between 2014 and 2015, the average speed of HGVs on single carriageway roads increased between by more than 1mph. The equivalent figure for dual carriageways was an increase of less than 0.5mph.
This initial research is the first part of a three-year evaluation into the changes commissioned by the DfT in October 2015.
In terms of awareness, the research found that all HGV drivers consulted were aware of the speed limit changes on single carriageways, but not all were aware of the changes on dual carriageways.
Conversely, only 25% of non-HGV drivers were aware of the changes. There was also a very low level of awareness among residents living adjacent to roads affected by the speed limit changes.
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