In our modern era, traffic is a one of the most challenging activity in all over the world. All the governments are trying to solve their traffic problems. Increasing price of petrol is not so effective other explanation will be considered in next paragraph.
Firstly, increasing the price of petrol is not sufficient to reduce traffic. Because nowadays all the people are used to travel by their own vehicle not in government transportation and it has a major effect on traffic. Moreover it has much effect on pollution too Increasing the price of petrol has only effect on a middle class or lower class family because Richer people have no hesitation about the price of petrol so they simple pay that and travel by their vehicle and also make pollution. So it is not affect on all people.
Apart from that, there are many more measures like nowadays people are also used to buy diesel cars or CNG cars. So they travel by their own vehicle bat they also pollute the environment and make traffic and now day some companies made their electric cars and they will be run on road in future. But they also derived on a road so they also make traffic.
However, increasing price of petrol is not so effective. Government should think more to reduce traffic and reduce pollution like they should less charge of government transportation. They have to make strict rule far traffic like everybody should obey the traffic light otherwise will be fixed and there are many other way to reduce traffic and pollution.
In conclusion, increasing price is not so good governors should think different and make some strict rule for traffic.