To ensure smooth traffic flow on national highways, Union Minister Nitin Gadkari on Monday announced that the government has decided to extend the suspension of the fee collection at all the toll plazas till November 18."Toll suspension is extended till 18th November midnight across all National Highways," the Minister of Shipping, Road Transport and Highways Gadkari tweeted.Earlier, the government had twice announced the suspension of toll collection at all toll plazas on national highways till the midnight first of November 11 and then November 14.