The National Highways Authority of India (NHAI) has scrapped the traditional stop-and-go toll model for India’s next generation of high-speed corridors. Under the new guidelines, upcoming four- and six-lane Greenfield and Brownfield Access-Controlled National Highways must implement Multi-Lane Free Flow (MLFF) tolling. This means vehicles will roll through toll points without breaking speed, with charges collected electronically in real-time. It is a significant departure from the conventional barrier systems that currently choke traffic on major national highways.
The shift isn't just about speed; it's about rethinking the entire engineering lifecycle. NHAI now requires planners to factor in detailed traffic projections, including freight growth and shifting routes, before laying a single stone. Construction itself will lean heavily on Automated and Intelligent Machine-aided Construction (AI-MC) technology to ensure precision in embankments and pavements, per Road Transport Ministry standards. This move aims to kill the guesswork that often leads to costly overruns and structural flaws in Indian infrastructure.
Greenery and water management are no longer afterthoughts. The guidelines force planners to integrate landscaping and drip irrigation systems into the Design Development stage, targeting loop areas, medians, and under-flyover spaces. Drainage plans must now explicitly map out water discharge points and include harvesting structures to prevent the chronic waterlogging that plagues many existing highways. It is a pragmatic response to a problem that has turned several national highways into seasonal swamps.
Expressways are notably excluded from this specific framework, which targets the broader network of access-controlled highways. NHAI states the goal is to create corridors that are safer, greener, and resilient to future traffic spikes. The immediate impact will be visible in the tender documents for the next phase of highway projects, where MLFF infrastructure and AI-MC protocols will be non-negotiable requirements.