auditing temporary traffic management
TRANSCRIPT
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Stewart Paton Associates
AUDITING TEMPORARY
TRAFFIC MANAGEMENT
PRESENTED BY
KEVIN MCMAHON
Stewart Paton Associates Ltd
Consulting Engineers & Forensic Investigation Specialists
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Normal
traffic
route
Contra-flow
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What is being audited?
Hands up all who have audited TTMS?
Mostly related to a new road scheme or mostly
related to maintenance operations?
Mostly Motorway and Trunk Roads or local
schemes?
On average, how many TTMS Audits per year?
1 or 2 5 to 10 greater than 10
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What, when, who & how?
HD 19/03 ‘The standard is not generally required for
application to TTMS’
“Exceptional” “Considerable Period”
Guidance for Safer Temporary Traffic Management
Upon completion of the detailed design,..........
At this stage a Road Safety Audit should be
undertaken in accordance with the requirements of
the Design Manual for Roads and Bridges
Overall Project Designer or TM Contractor?
Full Audit to HD 19/03 or modified to suit circumstances?
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Differences
Safety of Workforce as well as Road Users
Lateral and longitudinal safety zones / no
obstructions in safety zones / width of work
areas / works accesses & exits
Are temporary safety barriers required
Type / Set back / Working width / No intrusion
of works into working width
Chapter 8 compliant?
Unusual and non-standard layouts
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Differences
Diversion Routes (official and unofficial) and
impact on local roads
Impact on regular users
Not just the drivers – Remember
Pedestrians –Barriers, ramps trips, gullies
Cyclists – Width, conflict points, gullies
Accessibility – Loss of facilities on a route
Equestrians – Noise, proximity to traffic,
containment
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QUALITY OF
INFORMATION / BRIEF
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RELAXATIONS
&
ALTERNATIVES
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TYPICAL PROBLEMS
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Works traffic
Normal traffic
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Traffic
lane
Works exit
lane
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UNUSUAL LAYOUTS
&
SOLUTIONS
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CONCLUSIONS Process not transparent
Lack of consistency
TTMS often planned late in the day
Cut & paste from Chapter 8
Bespoke solutions sometimes required
All users need to be considered and, as
with permanent works, the Road Safety
Audit remains the one process that does
this.
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