Traffic Management is the term used to describe the management of an existing road network and its users to maximise safety, performance, and dependability. The Traffic Management Plan (TMP) is a comprehensive set documents analysing all associated elements and risks that may affect the works and is not to be confused with the Temporary Traffic Management Layout Drawing (TTMLD) which is just one requirement of the TMP.

The TTMLD is a drawing, or set of drawings, that show the traffic management scheme to be deployed and the control measures that are to be put in place. It should include cross sections and all phases of the operation.

The objective of the TMP is to, by using up-to-date safety design principles and compliance with relevant legislation, optimise road area allocation ensuring, as far as is possible, the efficient flow of traffic and pedestrians whilst protecting vulnerable road users.

Managing the road during construction works is an intricate job involving numerous issues consisting of:

  • Maintaining roadway safety.
  • Managing commuter, bus, freight, and tourist movement.
  • Consideration for all transport options, including cycling, walking and vehicle management.
  • Allowing for congestion in central city locations caused by unexpected accidents and unique events.

When undertaking work where there is any impact on the normal running of footpaths and roads, or interference in what is normally expected or present for pedestrians or motorists, a contractor must first contact the relevant Local Authority. Depending on the scale of the work the Local Authority will request either a TTMLD, or a full site-specific Traffic Management Plan.

Impact or interference means.

  • reduction in space,
  • reduced visibility, or
  • any hindrance to the safety of road or footpath users.

As part of the TMP the contractor may also be required to contact the Gardai, AA Road Watch, public service transport operators, taxis, and all neighbouring premises to make them aware of the upcoming works and the alteration to the existing network.

The Traffic Management Plan will address the following issues.

  • Site Access & Egress.
  • Traffic Management Signage.
  • Routing of Construction Traffic / Road Closures.
  • Timings of Material Deliveries to Site.
  • Traffic Management Speed Limits.
  • Road Cleaning.
  • Road Condition.
  • Road Closures.
  •  Implementation of Traffic Management Plan.
  •  Details of Working Hours and Days.
  • Details of Emergency Plan; ยท Communication.
  • Construction Methodologies; and
  • Construction Impacts.

If prepared correctly the works should run smoothly and efficiently.

The preparation of the TMP is a highly skilled job and requires the Designer to have the relevant knowledge, training, and experience. It is for this reason that many contractors choose to outsource the design and implementation of TTM to a recognised industry expert such as the CHM Group.

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