A MLFF Gantry shall act as a backup system and be placed after crossing the pay axis gantry on either side of the carriageway. (File Photo)

The multi-lane free flow (MLFF) or barrier-less tolling system will reduce the number of lanes required at the toll gate in the newly built or under-construction national highways. According to the guidelines issued by the National Highway Authority of India (NHAI) on Friday, a four-lane highway will have eight fee plaza lanes, including spare lanes to address emergencies. Similarly, 6-lane highway will have 10 toll lanes and 8-lane highway will have 12 toll lanes at the toll gate.

Officials said that since the MLFF system does not require vehicles to stop at the toll gate for payment of user fee and reduces the problem of congestion, it would not be necessary to have more lanes than what has been fixed now.

Earlier, the NHAI’s 2021 guidelines required to build a “minimum number” of 6 toll lanes, 8 toll lanes and 12 toll lanes for 2-lane, 4-lane and 6-lane highways…