Speed limiters, also described as speed governors, are devices that interact with a truck engine to only permit the attainment of a pre-programmed maximum speed.
Speeding reduces a driver’s ability to steer safely around curves or objects in the roadway, extends the distance necessary to stop a vehicle, and increases the distance a vehicle travels while the driver reacts to a dangerous situation. It is therefore pertinent to restrict vehicle’s speed as drivers may find the regulated speed limit challenging.
What is excessive speed? Excessive speed is defined as exceeding the recommended speed limit, while inappropriate speed is defined as driving at a speed unsuitable for the prevailing road and traffic conditions. Excessive and inappropriate speeds are responsible for a high proportion of the mortality and morbidity that result from road crashes.
The operation of an electronic speed limiter in the regulation of speed is determined by the type of vehicle involved. Ways in which speed are being controlled include:-
- By controlling the fuel feed to the engine
- By modifying the electronic signal from the electronic accelerator pedal
- By disengaging the mechanical accelerator pedal.
POLICY INITIATIVE AND MANDATE
The regulation on compulsory use of speed limiting device on vehicles in Nigeria has been in the FRSC Establishment Act and the National Road Traffic Regulation since 2004 and retained in the subsequent amendments as show below:
NATIONAL ROAD TRAFFIC REGULATIONS (NRTR, B173 – B303,) 2004
PART VII – USE & CONSTRUCTION, SECTION 53, SUB-SECTION (6)
”All motor vehicles plying the highway shall be in possession of good electric or air horn, jack, wheel spanner, tools, fire extinguisher, inflated spare tyre, first aid box, emergency warning triangles or cones, laminated windscreen and mirror, speed governor, wipers, insurance certificate and road worthiness certificate.”
Note-> A speed governor is also called a speed limiting device.
PART VIII – DRIVING, SECTION 79, SUB-SECTION (a)
”A person driving or in control of a motor vehicle on any highway shall-
i. Not drive at a speed exceeding 50km/hr in any town, village, residential or industrial area, as illustrated in Schedule 8 or may be shown on speed sign along the road”
PART XI – SPECIAL PROVISION RELATING TO EXPRESSWAY, SECTION 99s
”The minimum speed of any motor vehicle shall be 45km/hr and maximum speed 100km/hr, except where otherwise indicted by a sign as prescribed in Section 9 of these Regulation”
FEDERAL ROAD SAFETY COMMISSION (ESTABLISHMENT) ACT, 2007
SECTION 10, SUB-SECTION (m)
”Determining and enforcing speed limits for sall categories of roads and vehicles and controlling the use of speed limiting devices”.
2012 – NATIONAL ROAD TRAFFIC REGULATION (NRTR, 2012)
PART XIII – SPEED LIMITS – SECTION 153, SUB-SECTION (4)
“A person shall not drive a vehicle on any public road which is not fitted with a speed limiter”.
Note-> A speed limiter is also known as speed limiting device.
BENEFITS OF ELECTRONIC SPEED LIMITER
-> Increase Road Safety:- Installation of the speed limiter will reduce reckless driving associated with speed and help to preserve the young virile members of the society from deaths and maiming associated with speed induced crashes.
->Ensures safety of assets:- The electronic speed limiter will assist to eliminate losses associated with speed related crashes. These losses are usually in vehicles loss, damage to roads and road infrastructure, house, goods etc.
->Reduced strain on engines:- Driving at lower speed cuts down vehicle maintenance cost and slows down depreciation value, thus making vehicle lasts longer thereby increasing the life of engines, tires, brake and shocks.
->Reduced fuel consumption:- Lower speed results in less fuel consumption by vehicles which reduce the expense on fueling.