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Key Performance Indicators on the TFL Road Network

<p>Selected key performance indicators on the TFL Road Network.</p>
<p>Number of hours of Serious and Severe Disruption on the road network by planned and unplanned status, journey time reliability, and total number of works undertaken on the road network.</p>
<p>TLRN = TFL Road Network <br /> The maximum permissible total number of road works allowed on the TLRN has been capped at 3,753 in any one period - from period 7 of 2011/12 till the end of the financial year 2012/13, a reduction of 10% from the cap of 4,170 that applied to the first 6 periods of 2011/12. <br /> The key measure for monitoring smoothing traffic flow is journey time reliability. It is defined as the percentage of journeys completed within an allowable excess of 5 minutes for a standard 30 minute journey during the AM peak.</p>
<ul>
<li>Serious congestion. There is traffic congestion that is unusual for the time of day at the location or in an area and traffic has been stopped for less than 5 minutes - but in excess of the red signal time displayed on the traffic signals operating on the road.</li>
<li>Severe congestion. There is traffic congestion that is unusual for the time of day at the location or in an area and traffic has been stopped for more than 5 minutes; and traffic queuing is longer than normal for the time of day, more than for &lsquo;serious&rsquo; congestion.</li>
</ul>
<p>TFL also publish annual reports on road safety <a href="http://www.tfl.gov.uk/corporate/about-tfl/investorrelations/1460.aspx">here</a>.</p>

Transport for London

2015-09-26 14:27:38

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Transport for London (TfL)

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