NHAI Guidelines to Standardise Design and Infrastructure for Multi-Lane Free Flow Tolling on Four-Lane and Above National Highways

1. At a Glance

• What: An NHAI policy circular that sets one standard design for toll plazas on four-lane and above National Highways, so they can run barrier-less Multi-Lane Free Flow (MLFF) tolling. It covers plaza layout, lane configuration, gantries, road infrastructure, lighting, signage and supporting facilities. [1]
• Core idea: Vehicles pay toll without stopping. MLFF reads the FASTag and the Vehicle Registration Number using RFID readers and ANPR cameras. [1][3]
• Why it matters for UPSC: It brings together infrastructure (GS-III), technology in governance, logistics efficiency, fuel saving and emissions, and digital enforcement of user fees, which are questions of rules and process.
• Shift in approach: Each plaza is no longer designed on its own. A uniform national standard allows a seamless rollout of barrier-less tolling across the country. [1]

2. Why in the News

• 06 Nov 2026: The Ministry of Road Transport & Highways (MoRTH) released details of the NHAI guidelines standardising toll plaza design and infrastructure for MLFF on four-lane and above NHs. [1]
• The guidelines follow a series of MLFF launches in 2026: Gujarat (May), Delhi–Jaipur NH-48, Gharaunda on NH-44 (June), and Tamil Nadu (Oct). [3][5][6][7][8]

3. Background & Evolution

• Rationale: End queues and waiting time, cut fuel burnt at plazas, and make highway journeys safer and more seamless. [1]
• Chronology:
• FASTag made mandatory for availing all discounts at NH fee plazas. [15]
• Vehicles with invalid or non-functional FASTag to be charged double the toll fee for their category. [14]
• A Global Expression of Interest (EOI) was invited for GNSS-based tolling. It is to be piloted on selected NH sections as an added facility alongside FASTag. [11]
• Apr 2025: The government clarified that no decision had been taken on nationwide satellite-based tolling from 1 May 2025. Instead, an "ANPR-FASTag-based Barrier-Less Tolling System" would come up at selected plazas, and expansion would depend on performance and user response. [10]
• Jun 2025: G.S.R. 388(E) (17 Jun 2025) amended the National Highways Fee Rules, 2008 to introduce the FASTag Annual Pass. [12]
• Aug 2025: NHAI signed an agreement with ICICI Bank for India's first MLFF system at Choryasi Fee Plaza, NH-48, Gujarat. NHAI planned MLFF at about 25 NH fee plazas in that financial year. [2]
• 2025: The Year End Review recorded the decision to bring in barrier-free tolling using ANPR cameras + FASTag on selected stretches. [9]
• 2 May 2026: MLFF went live at Choryasi. About 41,500 vehicles crossed on day one. [3]
• 2026: MLFF launched at Daulatpura (Rajasthan's first) and Shahjahanpur on the Delhi–Jaipur section of NH-48. [6][7]
• 25 Jun 2026: MLFF launched at Gharaunda, NH-44. [5]
• 1 Oct 2026: MLFF launched at Paranur, Tamil Nadu's first. [8]

• 6 Nov 2026: The design-standardisation guidelines were issued. [1]

• Predecessor guideline: NHAI's earlier guidelines on planning and design of High-Speed Access-controlled NHs (other than Expressways). They set uniform DPR standards and stronger road safety. [1]

4. Core Static Facts

Item	Fact
Issuing body	National Highways Authority of India (NHAI), under MoRTH [1]
Instrument	Policy circular [1]
Coverage	Four-lane and above National Highways [1]
Applicability	All future and under-construction projects [1]
DPR-stage projects	Build the new design into project documents [1]
Awarded / under-construction projects	Adopt it through applicable contractual provisions [1]
Enforcement	NHAI field offices directed to ensure adoption [1]
Design elements	Plaza layout, rationalised (fewer) lanes, gantries (provision and placement), road infrastructure, lighting, signage, Electronic Variable Message Signs (VMS), and an administrative building-cum-O&M centre [1]
MLFF technology	RFID readers (FASTag) + ANPR cameras (number plate) [3]
Non-payment	e-Notice sent. Pay normal fee within 72 hrs, otherwise 2× fee. Unpaid e-Notices can lead to FASTag blacklisting [3]
Statutory base for fees	National Highways Fee (Determination of Rates and Collection) Rules, 2008, amended several times [12][13]
Annual Pass fee	₹3,000 → ₹3,075 from 1 Apr 2026 (FY 2026–27) [12]

5. Multi-Dimensional Analysis

Economic

• Union Minister Nitin Gadkari said toll operating cost could fall from about 15% to 3–4%, saving about ₹5,000–6,000 crore a year. [4]
• Faster freight movement reduces logistics cost, which supports competitiveness. Plazas with fewer lanes also need less land and civil works. [1]

Environmental

• Expected annual saving of about 250 crore litres of fuel and about 81,000 tonnes of carbon emissions. [4]
• Less idling at plazas means less local air pollution. [1][4]

Scientific / Technological

• The system combines RFID-FASTag, ANPR and gantry-mounted systems. It is a step towards later GNSS-based tolling, which is still at pilot/EOI stage. [3][10][11]
• Electronic VMS give road users advance warning of the tolling zone. [1]

Legal / Governance

• Enforcement works by digital rules: e-Notices, double fee and blacklisting. [3] The Central Motor Vehicles Rules were also amended "to strengthen user fee payments". [16]
• Concerns: privacy and data-protection of ANPR images, risk of wrong charges from misread plates, and grievance redressal for disputed e-Notices. These are analytical points; the sources do not discuss them.

Administrative

• The circular is rolled out in tiers: written into DPRs for new projects and adopted through contract provisions for awarded ones. This avoids having to renegotiate concessions from scratch. [1]
• Bottlenecks (analytical): accuracy of number plates (HSRP), inactive FASTags, interoperability across banks, and retrofitting existing plazas.

Social / Safety

• Removing barriers removes the stop-go conflict points where vehicles merge. Lighting and signage improve visibility and safety. [1]

6. Recent Developments (last 12–18 months)

• Aug 2025: NHAI–ICICI Bank agreement for the Choryasi MLFF. [2]
• 15 Nov 2025: NH Fee Rules amended: non-FASTag cash payers pay 2×, UPI payers pay 1.25× the standard fee. [9]
• 1 Apr 2026: FASTag Annual Pass fee revised to ₹3,075. [12]
• 15 Apr 2026: The Fourth Amendment Rules, 2026 rationalise fees for overloaded vehicles. Overloading fees are to be collected only through FASTag. [13]
• 2 May 2026: India's first MLFF goes live at Choryasi, Gujarat (NH-48). [3]
• 2026: Daulatpura and Shahjahanpur MLFF on Delhi–Jaipur NH-48. [6][7]
• 25 Jun 2026: Gharaunda, NH-44 (Haryana). [5]
• 1 Oct 2026: Paranur, Tamil Nadu's first MLFF. [8]
• 6 Nov 2026: MLFF toll plaza design standardisation guidelines issued. [1]

7. Prelims Hooks

• MLFF design guidelines apply to four-lane and above NHs, not all NHs. [1]
• Issued by NHAI as a policy circular; the parent ministry is MoRTH. [1]
• They apply to future and under-construction projects. Awarded projects adopt them through contractual provisions. [1]
• MLFF plazas need fewer tolling lanes than conventional plazas. [1]
• MLFF identifies vehicles through RFID (FASTag) + ANPR cameras. [3]
• India's first MLFF: Choryasi Fee Plaza, NH-48, Gujarat, live 2 May 2026. [3]
• Bank partner for Choryasi: ICICI Bank (agreement Aug 2025). [2]
• Tamil Nadu's first MLFF: Paranur (1 Oct 2026). [8]
• Rajasthan's first MLFF: Daulatpura, Delhi–Jaipur section of NH-48. [6]
• Gharaunda MLFF lies on NH-44. [5]
• MLFF e-Notice: pay within 72 hours, otherwise double the fee. [3]
• FASTag Annual Pass came in through G.S.R. 388(E) dated 17 Jun 2025. [12]
• From 15 Nov 2025, toll paid by UPI costs 1.25× and by cash 2× for vehicles without a valid FASTag. [9]
• GNSS-based tolling is not nationwide. It is at EOI/pilot stage as an add-on to FASTag. [10][11]
• Expected savings: about 250 crore litres of fuel and about 81,000 t CO₂ a year. [4]

8. Without a Boom Barrier, Who Stops the Non-Payer?

• The barrier was the enforcement tool. MLFF removes it.
• At an old plaza, a vehicle that does not pay simply cannot pass. Payment and enforcement happen at the same moment.
• Under MLFF, every vehicle passes first. Collection happens later, through an e-Notice (a digital demand for the toll), a 72-hour window, then 2× fee and FASTag blacklisting [3].

• So enforcement moves from the gate to a back office. It now depends on the system reading the plate correctly and on the owner actually receiving and paying the notice.

• Other countries have not fully solved this

• An OECD roundtable on road pricing found that electronic tolling relies on ANPR (Automatic Number Plate Recognition) cameras for enforcement. It also said effective enforcement was a problem that had not been fully resolved [24].
• A World Bank brief on tolling warns that where schemes are poorly designed, leakage (toll lost through avoidance, theft or fraud) can be significant [25].

• The lesson for India: a standard plaza design fixes the hardware. It does not by itself fix the after-the-fact collection chain.

• The burden of proof moves to the road user

• If a plate is misread, the wrong owner gets the e-Notice. If they miss the 72 hours, the fee doubles automatically [3].
• The NHAI circular covers layout, gantries, lighting and signage [1]. The sources show no matching standard for how a user disputes a wrong e-Notice, or how fast it must be settled.

9. MLFF Is Only as Good as the FASTag Database Behind It

• A camera can read a plate correctly and still charge the wrong account
• MLFF matches two things: the FASTag (read by RFID) and the VRN, or Vehicle Registration Number (read by ANPR) [3].

• If the bank's record links a tag to the wrong VRN, a correct reading still produces a wrong charge or no charge.

• NHAI's own orders show how messy this data has been

• Multiple FASTags were issued for one vehicle, and some tags were issued without KYC. This broke RBI's rules and led to the 'One Vehicle One FASTag' drive [17].
• Some users kept tags loose in the car instead of fixing them on the windscreen. NHAI made toll agencies report such tags for blacklisting [20].

• NHAI directed issuer banks to check the VRNs linked to their tags and blacklist those tied to incorrect or invalid VRNs [19].

• A trade-off: easier for users, harder for the data check

• From 1 Feb 2026, KYV (Know Your Vehicle, a check that the tag is on the right car) was dropped for cars on new FASTags [18].
• In its place, a tag must be validated against VAHAN (the national vehicle registration database) before it goes live [18].
• So the accuracy of MLFF now rests on VAHAN and bank records being correct. The quality of the plaza gantry cannot make up for errors there.

10. Faster Tolling Does Not Mean Correct Tolling

• The CAG has repeatedly found that the toll itself was wrong
• CAG Report No. 7 of 2023: NHAI kept collecting fees at five toll plazas even though construction was delayed. This put an undue burden of ₹132.05 crore on road users [21].

• CAG Report No. 39 of 2025 (24 plazas in Gujarat and Maharashtra): it found ₹19.66 crore overcharged by using a higher inflation-linking factor, and excessive exemptions [22].

• Why this matters more under MLFF

• MLFF makes collection faster and invisible. Nobody stops, so nobody sees the rate.
• If the fee rate is wrong, it is collected from every vehicle at full speed, with no friction and no complaint at the booth.
• The design circular standardises how a plaza looks [1]. It does not touch the fee calculation, which sits under the NH Fee Rules, 2008 [12].

11. Parliament Asked for Cameras, Not Only for New Plazas

• The idea was not born at NHAI alone
• In Feb 2024, the Standing Committee on Transport, Tourism and Culture recommended ANPR cameras at more congested toll plazas [23].
• It also suggested express toll lanes for frequent commuters who pre-register [23].

• It noted that FASTag had already raised toll revenue, because trips became faster and digital payment reduced leakages [23].

• What this tells an aspirant

• MLFF is the next step on a path Parliament had already pointed to, not a sudden tech jump.
• It also shows the right test for MLFF: does it cut leakage further, as FASTag did, or does it open new leakage through unpaid e-Notices?

12. What NHAI, Banks and MoRTH Should Fix Before Scaling Up

• NHAI should publish plaza-wise e-Notice data
• How many e-Notices were issued, how many were paid, how many were disputed and how many were wrong.

• The OECD found ANPR enforcement still unresolved elsewhere [24]. India needs its own numbers to know if MLFF is collecting or leaking.

• Issuer banks should finish the VRN clean-up before more plazas go barrier-less

• NHAI has already ordered banks to blacklist tags linked to invalid VRNs [19]. Every MLFF plaza added before this is finished adds wrong charges.

• MoRTH should write a dispute step into the Fee Rules before the 2× penalty starts

• Today the rule moves from notice to double fee in 72 hours [3].

• A simple online challenge, which pauses the 72-hour clock while a disputed plate read is checked, would protect users who were wrongly charged.

• NHAI should audit fee rates before it automates them

• CAG has found overcharging and fees collected during construction delays [21][22]. Fixing these first means MLFF collects the right amount, not just a faster one.

13. Anchors for Answers

• Data: ₹132.05 crore undue burden on road users from tolls collected during construction delays at five plazas [21]
• Data: ₹19.66 crore overcharged by applying a higher inflation-linking factor at Gujarat/Maharashtra plazas [22]
• Report/Committee: Department-related Standing Committee on Transport, Tourism and Culture, report on O&M of National Highways (Feb 2024): recommended ANPR at congested plazas and express lanes for pre-registered commuters [23]
• Report/Committee: CAG Report No. 7 of 2023 and Report No. 39 of 2025 on NHAI toll operations [21][22]
• Law/Case: National Highways Fee (Determination of Rates and Collection) Rules, 2008, the basis for the e-Notice, 2× fee and blacklisting chain [3][12]
• Comparison: OECD roundtable: electronic road-pricing schemes enforce through ANPR, but effective enforcement had not been fully resolved [24]
• Scheme: 'One Vehicle One FASTag' and VAHAN-based tag validation, the data base MLFF depends on [17][18]

14. Mains Relevance

• GS-III: Infrastructure (roads); Investment models; Science & Technology (applications in everyday life); Environment (pollution reduction).
• GS-II: Government policies and interventions; e-Governance applications.
• Question stems: 1. Barrier-less tolling marks a shift from infrastructure-centric to technology-centric highway management. Examine the opportunities and challenges of Multi-Lane Free Flow tolling in India. (15 marks) 2. Standardisation of design is as important as technology adoption for scaling public infrastructure reforms. Discuss with reference to NHAI's MLFF toll plaza guidelines. (10 marks) 3. Evaluate the privacy, enforcement and grievance-redressal concerns of camera-based automated tolling, and suggest safeguards. (15 marks)

15. Related Topics to Study Next

• FASTag and the FASTag Annual Pass: the payment layer MLFF depends on.
• GNSS / satellite-based tolling: the next stage after ANPR-FASTag MLFF.
• National Highways Fee Rules, 2008 and its amendments: the legal base for toll rates, penalties and the overloading fee.
• Bharatmala Pariyojana and access-controlled corridors: where four-lane+ MLFF plazas will be built.
• PM Gati Shakti and the National Logistics Policy: link between toll efficiency and logistics cost.
• Digital Personal Data Protection Act, 2023: governs ANPR data collection and use.
• High Security Registration Plates (HSRP) and Vahan: needed for accurate ANPR reads and e-Notices.
• Road safety (Motor Vehicles (Amendment) Act, 2019): safety design at tolling zones.

16. NCERT Concepts to Revise

• National Highways Authority of India (Geography): NHAI is the body issuing the circular and running MLFF tolling rollout across national highways.
• User charges (Economy): Tolls are user charges on public roads; the Fee Rules, e-Notices and double-fee penalties all concern collecting them.
• Global navigation satellite system (Geography): GNSS-based tolling is the planned next stage after ANPR-FASTag MLFF, often confused with it.
• Digital Personal Data Protection Act 2023 (Polity): ANPR cameras capture number plates and images, raising data protection and privacy questions.
• Comptroller and Auditor General (Polity): CAG reports found NHAI overcharging tolls, showing why faster collection must also be correct.
• Logistics cost (Economy): Faster toll passage cuts delays and fuel use, lowering freight costs and improving competitiveness.

17. Common Errors / Trap Areas

• MLFF ≠ GNSS tolling. MLFF as rolled out uses ANPR + FASTag at gantries. PIB stated that nationwide satellite tolling from 1 May 2025 was not decided. [10]
• Scope trap: The guidelines cover four-lane and above NHs, and future/under-construction projects, not every existing plaza right away. [1]
• Issuer trap: The circular comes from NHAI, while the Fee Rules amendments are notified by MoRTH. Don't mix up the authority behind the circular with the authority behind the rules. [1][12]
• "First" trap: India's first MLFF is Choryasi (Gujarat). Paranur is only Tamil Nadu's first, and Daulatpura only Rajasthan's first. [3][6][8]
• Penalty trap: The MLFF e-Notice gives a 72-hour window before 2× applies. Separately, UPI payment at plazas is 1.25×, not 2×. [3][9]