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Writer's pictureSafer Highways

Three quarters of drivers refuse to use left most lane on smart motorways


  • Some 73% of drivers don't use the left-hand lane in there's no hard shoulder

  • Poll of motorists found that most are concerned about a stranded vehicle ahead

  • This potentially nullifies the claimed traffic-flow advantage of smart motorways

  • Report last year found journey times increased on a 'dynamic hard shoulder' section of the M1 that opens the leftmost lane during times of heavy congestion


Three quarters of drivers say they avoid using the leftmost lane on smart motorways without hard shoulders, which potentially nullifies the claimed biggest advantage they offer over traditional motorways.


Two types of smart motorways can operate without a hard shoulder: all-lane running motorways don't have one at all while dynamic hard shoulder versions turn the emergency lane into a live lane when there is heavy congestion. Their overall aim is to improve traffic flow and reduce journey times, especially on busy routes.


However, a survey of 2,000 drivers found that 73 per cent steer clear of the left-hand lane at all times when there is no hard shoulder available, with the most common reason being concerns that another vehicle has broken down ahead.


The results of the study highlight that smart motorways are likely failing to cut journey times if motorists are refusing to make use of the entire carriageway.


The poll was conducted by Kwik Fit this year and found that the majority of motorists don't use the left-most lane for 'precautionary measures'.



This ultimately impacts congestions levels, with motorists not feeling comfortable using every lane available to them.


When motorists were last polled 2,000 on the subject in 2019, 56 per cent said they avoided the leftmost lane on smart motorways, suggesting that recent reports of deaths - and the risk they pose if you breakdown in a live lane - have had an impact on driver attitude towards them.


The survey found there has been an increase in understanding in the last three years on how to drive on a smart motorway and what signage means, but unease around their safety means motorists are taking it into their own hands to mitigate risk.


Some 31 per cent of respondents who avoid the leftmost lane on a smart motorway when there is no hard shoulder in operation said they did so in case there was a broken-down vehicle ahead. Another 30 per cent believe driving on the hard shoulder simply isn't safe and as a result would avoid lane one entirely.


A further 19 per cent are concerned about having no escape route if they need to swerve to avoid an obstruction, 17 per cent don't like driving close to the verge and 15 per cent are worried about debris on the hard shoulder.


By taking measures into their own hands and not using a hard shoulder when it is available as a live lane, smart motorways are ultimately doing little to improve congestion levels, as National Highways - the operator of smart motorways - has promised.



The Kwik Fit study was conducted shortly after the Government's announcement that it has paused the rollout of new smart motorways for five years until it has enough historical data to understand if they are safer than traditional motorways.


Yet over a third (36 per cent) of the survey panel said this didn't go far enough and instead wanted to see hard shoulders permanently reinstated on all routes. One in five (22 per cent) agreed with the Government's strategy to delay until a risk assessment is completed.


The poll found that only five per cent of respondents believe smart motorways are as safe - or safer - than conventional motorways, as official data has previously indicated and National Highway has reiterated on numerous occasions.


Another six per cent believe smart motorways are more dangerous, but that the increased risk is outweighed if they do improve traffic flow and reduce journey times.


Commenting on the results of the poll, Roger Griggs, communications director at Kwik Fit, said: 'Smart motorways have been a huge topic of debate and it is absolutely correct for the Government to pause its development to both gather data and ensure that the UK's motorways are as safe as possible.


'It is clear that many drivers are yet to be convinced about the safety of smart motorways and therefore there must be clear transparency about all the data being gathered and the evidence on which future decisions are based.'



Two thirds are set to open without these extra emergency laybys – despite ministers promising 150 of them, it was reported yesterday.


Of six schemes under construction, four will open as originally designed with ERAs up to 1.5 miles apart.


This contradicts guidelines laid down by Transport Secretary Grant Shapps that the distance should not exceed a mile.


They are on stretches of the M27, M4, M56 and M6. The extra refuges will be fitted by 2025 after they are completed.


A second scheme on the M6 and one on the M1 will get additional ERAs before being opened.

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1 commentaire


Paul Brown
Paul Brown
21 févr. 2022

Reference the opening of current schemes without the additional ERA's not sure what whoever wrote this article is expecting to happen. These schemes are under construction. All work could stop on the partially completed schemes and the essential traffic management left out whilst the process of designing additional Emergency Areas (EAs) is completed or the scheme as currently designed can be completed and the carriageway opened up to traffic whilst the design of the additional EAs progresses in parallel for retrofit as soon as design is completed. I know which option makers sense to me.

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