Variation Based on Road Type

• Toll rates differ between national highways, state highways, and expressways.
  
• National highways have standardized toll policies under central rules.
  
• State highways follow their respective state government toll guidelines.
  
• Access-controlled expressways often have premium toll rates.
  
• Urban flyovers, bridges, and bypasses may have local rate structures.
  

Differences in Project Models

• Toll rates vary based on the road development model (BOT, HAM, or EPC).
  
• Build-Operate-Transfer roads often have higher tolls for revenue recovery.
  
• Hybrid Annuity Model roads may not charge tolls directly to users.
  
• Engineering Procurement Construction roads usually remain toll-free or government-managed.
  
• The financial model influences the toll structure and collection rights.
  

Vehicle Classification and Tariff Slabs

• Toll rates are based on vehicle types such as cars, LCVs, trucks, and buses.
  
• Heavier and multi-axle vehicles pay higher tolls than smaller vehicles.
  
• Each category has a specific slab under the National Highways Fee Rules.
  
• State highways may follow similar or distinct vehicle classification systems.
  
• Category-based pricing ensures fairness according to road usage impact.
  

Geographical and Administrative Influence

• Toll rates differ from state to state based on administrative approvals.
  
• Regional economic conditions and construction costs affect toll pricing.
  
• Local authorities may allow concessional or differential rates for nearby users.
  
• Urban areas may have shorter toll stretches with smaller rates.
  
• Remote or underdeveloped areas may have subsidized or no tolls.
  

Periodic Revisions and Inflation Indexing

• Toll rates are revised annually based on the Wholesale Price Index.
  
• The increase percentage may vary depending on road type and authority.
  
• Central and state agencies notify new rates at different times.
  
• Public-private contracts may also allow for project-specific revisions.
  
• This results in variation of toll amounts even on similar types of roads.