Seminarium Zarządzanie Prędkością Speed Management 17 – 18.10.2013
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Transcript of Seminarium Zarządzanie Prędkością Speed Management 17 – 18.10.2013
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Solutions to improve roads, journeys and communities
Seminarium
Zarządzanie PrędkościąSpeed Management
17 – 18.10.2013
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Solutions to improve roads, journeys and communities
Solutions to improve roads, journeys & communities
Adrian Grant, International Account ManagerSpeed Management in Road Works Zones
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Solutions to improve roads, journeys and communities
What do we do?
One stop service for integrated ANPR solutions.
• hardware & software development• Consultation on solution design• Full installation service• Support & maintenance
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Solutions to improve roads, journeys and communities
Vysionics World Firsts
1979 - First ANPR reader1983 - First automatic plate detection ANPR system1989 - First ANPR based journey time measuring system1996 - First ANPR security cordon (City of London ring of
steel)1999 - First HOTA average speed system - SPECS2002 - First ANPR congestion charging system (London)2009 - First VCA approved automated bus lane
enforcement2009 - First HOTA networked average speed – SPECS3
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Solutions to improve roads, journeys and communities
SPECS : widely implemented & understood
Since HOTA in 1999, 30 permanent SPECS1 projects
Since HOTA in 2009, 24 permanent SPECS3 projects with 14 SCPs
300+ projects have operated SPECS average speed enforcement
Operated with 20, 30, 40, 50, 60 and 70mph schemes
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Solutions to improve roads, journeys and communities
How speed management improves safety at works sites
Increased risks due to works
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Solutions to improve roads, journeys and communities
How speed management improves safety at works sites
Increased risks due to works
Use speed management to:– reduce risk of collisions– reduce severity of collisions– reduce risk of intrusion into works area
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Solutions to improve roads, journeys and communities
How speed management improves safety at works sites
Reduce collision risk?harmonise speed
Reduce severity?reduce speed
Reduce risk of intrusion?reduce risk and severity of collisions
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Solutions to improve roads, journeys and communities
How to harmonise speedsEnforce the speed limit!
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Solutions to improve roads, journeys and communities
How to harmonise speedsEnforce the speed limit!
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Solutions to improve roads, journeys and communities
How to harmonise speedsEnforce a reduced speed limit
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Solutions to improve roads, journeys and communities
Change behaviour, reduce risk
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Solutions to improve roads, journeys and communities
Current work site
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Solutions to improve roads, journeys and communities
Why does it work?Visible deterrence
A77: NSL Dual CarriagewayAverage speed signsData for all vehicle typesData for both directions
85th %ile Speed (mph)
60.062.064.066.068.070.072.074.076.0
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% above limit (%)
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15.020.025.0
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Solutions to improve roads, journeys and communities
Benefit to driversMaintained three narrow running lanesJourney times were more reliable
M4 j10-12Westbound16/02/2008
M4 j10-12Eastbound16/02/2008
Why does it work?
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Solutions to improve roads, journeys and communities
Effect of enforcementM1 6a-10
M1 j6a-10, North of LondonLargest roadworks in UK 17km of traffic managementFewer collisions than before the roadworks startedJourneys were reliable
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Solutions to improve roads, journeys and communities
Roadworks Enforcement23 projects currently on the ground250 schemes have used SPECS average speed enforcementHighways Agency, Welsh Assembly & Transport Scotland use as standardOriginal justification was safety, along with:• smoother traffic flows• more reliable journey times• low offence levels• reduced emissions & noise
Consultative approach to assist designers
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Solutions to improve roads, journeys and communities
Roadworks Experience – smoother flows
M8 j28, January – April 2007Identical works were carried out in 2006, using spot-speed camerasSignificant delays had occurred:• 10-15 minutes on M8 (morning
peak)Findings
No delays on M8 at morning peakTraffic volumes were greaterCompliance with the 40mph speed limit is 99.7%Average speeds are 38mph through the scheme
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Solutions to improve roads, journeys and communities
Roadworks Experience – lower risk
M8 Jn 28 2006¹ 2007²
Offenders* 1083 97Casualty Collisions** 0 0
Non Injury Collisions** 13 0
*Data for 6th – 17th March, both years**Data from January – April, both years¹ spot speed cameras² average speed cameras
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Solutions to improve roads, journeys and communities
Safer >70% KSI Casualty reductions, typicallyThe casualty case is well proven: £1.6m (€1.9M) saving per site, per year
Data based on 3 year baseline and 3 year post-installation, extrapolated where less than three years installed.
Not isolated results75% reduction on average
Contentious for some!
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Solutions to improve roads, journeys and communities
Design Considerations
Hours of operation?Communications?Power?Visual appearance (columns, colour, signs)?Front or rear facing?Enforcement regime?• How many potential live links?• How many active live links?• Multiple offences on one journey?• Reporting on detection & offence levels?
A537 Cat & Fiddle, Cheshire
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Solutions to improve roads, journeys and communities
How to protect a road works site
Reduce speeds on approach• ensure safe passage into TM
Maintain constant speed through works area• achieve harmonised speeds
Release back to normal speed limit at departure• and not before!
Comply always with your national regulations / guidelines• don‘t feed the campaigners – or the lawyers
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Solutions to improve roads, journeys and communities
How to protect a road works site
Reduce speeds on approach
• place first camera:• after change in speed limit• before entry into the cones• definitely before any lane
narrowing or deflection
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Solutions to improve roads, journeys and communities
How to protect a road works site
Maintain harmonised speeds
• Observer Effect: remind them they’re being monitored• place a camera every
2 to 3 minutes’ driving time• use clear signing, of limit
and of enforcement system
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Solutions to improve roads, journeys and communities
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Solutions to improve roads, journeys and communities
How to protect a road works siteMaintain harmonised speeds
• Don’t leave gaps• regular drivers will learn where they pass cameras
• Cover slips where you can• extra camera?• change the layout to reduce gaps?
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Solutions to improve roads, journeys and communities
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Solutions to improve roads, journeys and communities
How to protect a road works siteRelease drivers safely beyond works area
• place final camera past the end of the risk area
• make sure drivers can see a camera in front as they exit the cones
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Solutions to improve roads, journeys and communities
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Solutions to improve roads, journeys and communities
SummaryHarmonise speeds
• Reduce risk
Reduce speeds
• Reduce severity
Safer journeys & works
More reliable journeys
Reduced cost and impact
Public perception remains good
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Solutions to improve roads, journeys and communities
Solutions to improve roads, journeys & communities
Adrian Grant [email protected]
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Solutions to improve roads, journeys and communities
Seminarium
Zarządzanie PrędkościąSpeed Management
17 – 18.10.2013