12567/68 राज्यरानी सुपरफास्ट की धाक राजधानी से कम नहीं है। - Prabhat Sharan

The implementation of the GPS-based tolling system is a step further, with the toll charge set to be deducted based on the movement of vehicles. This will help ensure that users only pay for the distance covered, irrespective of the highways

Copy-paste from Economic times 2019 article

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not able to find the artice now but had this part in my mobile

Yes you are right, but it also means that even if you travel in present non toll highways, based on the distance you have to pay
This is clear from the last sentence "Irrespective of Highways"

Anybody from Karnataka will get clarity easily for this
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you, check google maps

To go to Mangaluru from Bengaluru by road, you have three major options:
- via: Nelamangala, Kunigal, Hassan, Sakaleshpur (Same as train route) having 4 tolls
- via: Magadi, Hassan, Sakaleshpur having a single toll
- via: Mysuru, Madikeri, Sulya having no toll

See that second and third option have less/no tolls and the time taken is also almost same, so most people going by own vehicle prefer 2nd or 3rd one
But now after this GPS based tolls, whichever way you go, you have to pay toll as per the total distance covered..

So in that sense, people taking the Mysuru route which did not have any toll, have to pay more amount than people taking Magadi/Nelamangala route

Hope you understand