![]() ![]() ![]() The company’s specification states that false alerts may not constitute more than 15% of all alerts but performance ranged from 63.8% to 83.5% across the regions. ![]() One issue is false detection rates on ALR smart motorways across all National Highways’ regions, which are substantially above the required maximum. The ORR’s report shows that the actual performance of stopped vehicle detection is falling short of the performance requirements the company set itself. The ORR reports that National Highways had SVD technology in place on every existing ALR smart motorway by the end of September 2022, six months ahead of its original March 2023 milestone. However this increased pace of delivery, in response to the action plan target which aims to reduce the duration of live lane stops, has given the company limited opportunity to apply lessons learnt. SVD technology is radar-based technology that is on every all lane running (ALR) smart motorway where the hard shoulder has been permanently converted to a live traffic lane. The ORR's first annual assessment of safety performance on the strategic road network (SRN) in England, published today, includes the operation and effectiveness of the end-to-end safety system on England’s smart motorways. ![]() National Highways has met its Stopped Vehicle Detection (SVD) technology installation targets but the system is not yet meeting performance expectations, according to the Office of Rail and Road (ORR). ![]()
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