NSW issues speed limiter compliance fact sheet


NatRoad spotlights TFNSW item on engine control module checks

NSW issues speed limiter compliance fact sheet
NSW Police image of an engine control module check

 

Following feedback and industry interest, a fact sheet has been developed with information on heavy vehicle speed limiter checks undertaken by Transport for NSW (TFNSW) inspectors, the National Road Transport Association (NatRoad) reports.

Under NSW road transport law, the maximum speed limit for a vehicle with a Gross Vehicle Mass (GVM) of more than 4.5 tonnes is 100km/h.

Under Australian Design Rule (ADR) 65, certain larger heavy vehicles are limited to a maximum road speed limit of 100km/h, typically controlled by software installed by engine manufacturers.

"Transport for NSW’s Compliance Operations inspectors undertake heavy vehicle Engine Control Module (ECM) checks to ensure that heavy vehicles comply with the maximum road speed limit," the document states.

"Inspectors use original equipment manufacturer software to analyse the ECM for noncompliance, current settings and possible tampering with the setting that may impact on the vehicle’s maximum speed.

"Inspectors use vehicle and engine data to monitor speed limit compliance and, where required, take enforcement action on non-compliant heavy vehicles and operators, including issuing defect notices and penalty notices.

"NSW inspectors involved in the ECM checks are specially trained in partnership with NSW TAFE to inspect a heavy vehicle’s ECM installed by engine manufacturers for specified engine types."


A driver copped $26,400 in tampering and drugs fines last year


Heavy vehicles required to comply with ADR 65 include:

a)       a bus built after 1987 with a GVM greater than 14.5t;

b)      a prime mover built after 1987 with a GVM greater than 15t;

c)       a bus built after 1 July 1991 with a GVM between 5 t and 14.5t;

d)      a heavy goods vehicle (over 12t GVM) with an engine:

                                 i.            up to 300HP, built after 01 July 1991;

                               ii.            over 300HP, built after 01 January 1991.

Tyre sizes have an impact on the vehicle’s maximum speed limit and whether defect notices are issued, the fact sheet notes, with gearing ratios also taken into account by NSW inspectors.

Speed remains the number one behavioural factor in deaths and injuries on our roads, contributing to about 40 per cent of fatalities between 2014 and 2018, TFNSW says, with heavy vehicles posing a greater risk due to their size and weight.

The full document is available here.

 

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