IRC SP 63:2018 is the Indian Standard (IRC) for guidelines for design of toll plazas. This IRC code is essential for highway engineers involved in the design and operation of toll plazas. It details the principles and practices for determining toll plaza location, number of lanes, lane width, acceleration and deceleration lengths, and toll booth configurations. The document emphasizes traffic analysis, capacity assessment, and the integration of technological solutions for efficient toll collection. Adherence to these guidelines ensures optimized traffic operations, user convenience, and the safe functioning of toll plazas, thereby contributing to the overall efficiency of the highway network.
This IRC code provides comprehensive guidelines for the planning, geometric design, and operational aspects of toll plazas on national highways and expressways in India. It aims to ensure efficient traffic flow, safety for users and staff, and effective toll collection mechanisms while considering environmental and aesthetic factors.
Key reference values — verify against the current code edition / project specification.
| Reference | Value | Clause |
|---|---|---|
| Subject | Planning & geometric design of toll plazas | Scope |
| Lane count | From peak traffic ÷ lane service rate (queue ≤ target) | Design |
| ETC/FASTag lanes | Dedicated electronic-toll lanes | Operation |
| Geometry | Taper-in, plaza, taper-out + canopy/island | Layout |
| Location | On tangent, away from junctions, sight distance kept | Siting |
| Read with | IRC 67 (signs) / IRC SP 41 | Cross-ref |
IRC SP 63 (2018) provides Guidelines for Design of Toll Plazas — the IRC's standard for toll plaza geometric + structural design, traffic management, and operational requirements on tolled highways (BOT, HAM, EPC NHAI projects, state expressways).
Use IRC SP 63 when you are: - Designing toll plaza for NH/SH/expressway toll collection - Doing DPR for tolled highway project - Specifying toll lane geometry + traffic flow - Designing toll booth structures + canopy - Specifying toll plaza approach + transition geometry - Doing FASTag-integrated toll plaza with electronic toll collection
What IRC SP 63 covers: - Toll plaza site selection - Lane configuration (entry, payment, exit) - Lane width + transition geometry - Toll booth architecture - Canopy + protective structure - Drainage + lighting - FASTag electronic toll collection integration - Manual + electronic toll booth requirements - Traffic management + crash safety - Construction methodology
Toll plaza types: 1. Main plaza: principal collection at major junction; multiple lanes both directions 2. Spur / ramp toll: at on-ramp; secondary collection 3. Boundary toll: at state boundary or zone transition 4. Electronic-only plaza: modern; cashless / FASTag operated 5. Combined mixed mode: ETC + manual lanes
Toll plaza function: - Vehicle classification (per IRC:3:2021) - Toll calculation per vehicle class - Payment processing (cash / FASTag / digital) - Traffic continuity (minimal delay) - Revenue + audit trail
Lane configuration: - Number of lanes per direction: - NH 4-lane: 4-6 lanes per direction at toll plaza - NH 6-lane: 6-8 lanes per direction - Expressway: 8-12 lanes per direction - Vehicle-class-specific lanes: - LMV lane: cars + light vehicles - LCV / HCV lane: trucks + buses - FASTag-only lane (preferred): electronic, faster - Manual lane: cash + other payment methods - Wide overlanding / ODV lane: special vehicles
Approach geometry: - Decel zone: vehicles slow to 10-30 km/h - Length of decel zone: 100-200 m per 80 km/h approach (longer for higher speeds) - Lane flare: transitions from carriageway width to toll-plaza width - Flare angle: 1:20 to 1:50 (gentle taper)
Toll booth dimensions: - Footprint: typically 2.5-3.5 m × 3.5-4.5 m per booth - Inside dimensions: seated operator + cash drawer + computer + ventilation - Booth wall: 100-150 mm RCC; concrete masonry; or modular pre-cast - Window: large opening with safety glass; sliding glass for cash + ticket
Canopy / protective structure: - Function: protects toll booth + vehicles from rain + sun - Span: 6-12 m typical (covers multiple lanes) - Height: 5-6 m clear (allow over-dimensional vehicles) - Structure: steel truss / space-frame on RCC columns - Roof: profiled metal sheet or membrane
Exit / acceleration zone: - Acceleration distance: 100-200 m - Lane flare: transition back to main carriageway - Smooth transition to avoid weaving conflict
Length of toll plaza zone: typically 600-1000 m total (decel + plaza + accel)
Drainage: - Cross-fall away from toll booths (per IRC:SP-50:2013) - Drains at booth bases - Sump for runoff collection - Outfall to natural drain
Lighting: - Toll plaza area: 150-300 lux at booth level (high; for safe vehicle / operator operation) - Canopy lighting + boom-mounted spot lights - Emergency power backup mandatory
Signage + markings: - Advance signage 1-2 km before toll plaza - Vehicle class indication - FASTag-only lane indication - Speed limit indication - Per IRC:67:2012 + IRC:35:2015
Boom + barrier: - Hydraulic boom: drops to block; raises on toll payment - Programmable for FASTag (auto-raise) or manual - Speed of raise: 1-3 seconds typical - Backup: dual boom or manual barrier
Lane dimensions: - LMV (car) lane width: 3.0-3.5 m - HCV (truck) lane width: 4.0-4.5 m - Booth platform / island width: 1.5-2.0 m between booths
Approach + transition: - Decel zone length: 100-200 m - Flare angle: 1:20-1:50 - Acceleration zone length: 100-200 m
Toll booth: - Footprint: 2.5-3.5 m × 3.5-4.5 m - Floor area: 8-15 m² - Height: 2.5-3.5 m interior - Window: 1.5-2.0 m wide × 1.0-1.2 m high
Canopy: - Span: 6-12 m - Height clear: 5-6 m (5.0 m minimum for ODV) - Roof slope: 5-10 % for drainage
FASTag system: - RFID reader at boom location - Vehicle classifier (axle counter + AVCS) - Variable Message Sign (VMS) for ETC vs manual - Transaction processing: 0.5-2 seconds typical - 99 %+ success rate target
Capacity per lane: - Manual lane: 200-400 veh/hr (cash + ticket) - FASTag lane: 800-1200 veh/hr (depends on traffic class mix) - Multi-lane FASTag total: 5000-10000 veh/hr (high-throughput plaza)
Construction materials: - Concrete: M30+ for toll booth + canopy columns - Steel: structural steel for canopy; corrosion-protected - Roofing: galvanized metal sheet or PVC membrane - Glass: laminated safety glass for booth windows - Boom: aluminium / steel; counterweight balanced
Safety appurtenances: - Crash barriers around booth (protect operator from vehicle impact) - Speed bumps + signage in approach zone - CCTV (multi-camera per lane) - Vehicle detection (cameras + sensors)
Operations: - 24/7 staffing (varies; ETC-only may be unmanned) - Cash counting + audit - Maintenance contract for booms + ETC equipment - Emergency response (vehicle stalled, equipment failure)
Acceptance criteria: - Geometric design verified - Booth structural integrity - Lighting at design lux level - FASTag system functional + tested - Boom + barrier function - CCTV + monitoring online - Drainage functional - Signage + markings per IRC:67:2012
Maintenance schedule: - Daily: visual inspection + cleanliness - Weekly: ETC equipment check, boom maintenance - Monthly: lighting, signage, drainage - Annual: structural inspection of canopy - 5-year: comprehensive structural + electronic system overhaul - Long-term: 30-50 year service life with maintenance
1. Insufficient lanes for traffic volume. Long queues + delay; revenue lost. More lanes or better FASTag adoption. 2. No FASTag lane. All-manual; congestion + delay. Mandatory FASTag-only lane(s). 3. Decel zone too short. Speed reduction inadequate; rear-end conflicts. Per IRC SP 63 design speed-distance. 4. Boom failure prevention. Single boom; failure = lane closed. Redundant boom or manual override. 5. Crash barriers missing. Vehicle strikes booth; operator injury. Mandatory barriers around booth. 6. Lighting inadequate. Operator + driver visibility poor; safety + accuracy issues. 150-300 lux per design. 7. No emergency backup power. Power failure closes lane. UPS + generator mandatory. 8. Drainage poor. Toll plaza floods; operations halted. Per IRC:SP-42:2014. 9. Vehicle classifier inaccurate. Wrong toll charged; revenue loss + driver complaints. AVCS calibration + verification. 10. No CCTV. Disputes + incidents unresolvable; security issues. Multi-camera per lane. 11. No road safety audit. In-service issues. Per IRC:SP-44:1996. 12. Operator working environment poor. Toll booth too cramped, no ventilation, no rest space. Designed for operator welfare. 13. No signage 1-2 km in advance. Driver unaware; sudden braking. Mandatory advance signage. 14. Canopy not designed for vehicle impact. Truck hits column; collapse. Robust column + crash protection. 15. No employee access path. Workers cross active lanes to reach booth. Separate access tunnel / overhead. 16. Mixed mode confusion. ETC + manual lanes not clearly marked; vehicle goes wrong lane. Clear signage + lane markings. 17. System integration weak. FASTag transactions, vehicle classification, traffic management disjoint. Integrated SCADA / ITS system.
Toll plaza project — IRC SP 63 touchpoints:
1. DPR + design: - Site selection (geometric + access) - Lane configuration (manual + FASTag mix) - Approach + transition geometry - Booth + canopy design - ETC system specification - Drainage + lighting design
2. Detailed drawings: - Plan layout of plaza - Booth + canopy details - Approach geometry profile - Drainage layout - Signage + markings layout - Electrical + ETC system
3. Tender + BOQ: - Civil works (booth + canopy) - ETC equipment (RFID, AVCS, VMS) - Lighting + drainage - Signage + markings - CCTV + monitoring - Power backup (UPS + generator)
4. Construction: - Civil works (foundation, booth, canopy) - Electrical infrastructure - ETC equipment installation - Signage + markings - Lighting installation - Drainage + utilities - Operator training
5. Pre-opening: - Road safety audit - FASTag system testing - Lighting + drainage verification - Boom + barrier function - Vehicle classification accuracy - Trial run with simulated traffic
6. Operations + maintenance: - 24/7 operator staffing (manual lanes) - Daily revenue audit - ETC system monitoring - Equipment maintenance contracts - Operator training + welfare - Customer service
7. Long-term: - 5-year structural assessment - ETC technology upgrades - System expansion (more FASTag lanes as adoption grows) - 30-50 year service life
IRC SP 63 is the modern toll-plaza reference for India's NHAI + state expressway network — applied on every BOT/HAM/EPC tolled corridor + every modern expressway plaza.
| Parameter | IS Value | International | Source |
|---|---|---|---|
| Lane Width | |||
| Design Speed (Toll Plaza Area) | |||
| Minimum Acceleration/Deceleration Lane Length | |||
| Minimum Sight Distance (before toll booth) |