The study was conducted on August 29 and on September 11 at the old Mumbai-Pune Highway and the new Mumbai-Pune Expressway in Maharashtra and at Burari, Bhalswa and Mukundpur Chowks of Delhi.
Gadkari said that states can decide to lower the fines imposed in their jurisdiction.
In line with the recently passed Motor Vehicles Amendment Bill, 2019, the traffic police have been levying a hefty fine on those violating the helmet rule in the city.
The Road Transport and Highways Minister said that NHAI has completed 70 per cent of the work pertaining to fixing of 786 accidental spots at a cost of about Rs 12,000 crore.
The Motor Vehicles Amendment Act, approved by President Ram Nath Kovind last month, aims at stricter punishment for violation of traffic regulations.
Talking to mediapersons, Singh said people should have been alerted before the implementation of the amended Act.
The Motor Vehicles Amendment Act 2019 has caught vehicular pollution checking system napping in the State Capital.