263 km · 4 toll plazas · about 7 h 5 min on the road. Change the vehicle, fuel or mileage below and every number updates.
“est.” = this plaza doesn't publish fees in the NHAI dataset; we use the median fee for your vehicle class.
Trichy to Munnar is a comfortable one-day drive of 263 km, mostly on NH83.
You cross 4 toll plazas across Tamil Nadu, Kerala. For a car the published fees add up to ₹275 one way, about ₹1.05 per km. 1 plaza on this route does not publish fees in the NHAI dataset; budget about ₹80 extra to be safe.
Munnar is a hill destination: the last stretch climbs ghat roads, where mileage drops by roughly 15–25% and speeds fall sharply. Our fuel figures use flat-road mileage, so add a buffer.
States on the way: Tamil NaduKerala
Fees for a single journey with FASTag. Return fees apply when you come back through the same plaza within 24 hours; a monthly pass covers 50 single journeys in a month.
| # | Toll plaza | At km | State | Car single | Car return | Car monthly | LCV | Bus/Truck | Multi-axle |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Trichy Salem | 0 | Tamil Nadu | ₹45 | ₹17 | — | ₹66 | ₹132 | ₹198 |
| 2 | Ponnambalapatti | 65 | Tamil Nadu | ₹125 | ₹185 | ₹3,710 | ₹215 | ₹435 | ₹695 |
| 3 | Chatrapatti | 139 | Tamil Nadu | ₹105 | ₹160 | ₹3,530 | ₹170 | ₹360 | ₹560 |
| 4 | Chinnar 9/6 checkpoststate | 194 | Tamil Nadu | n/a | — | — | — | — | — |
| Total (published fees) | 263 | ₹275 | ₹362 | ₹451 | ₹927 | ₹1,453 |
Totals for all 4 plazas, including our estimate for 1 plaza without published fees. “No FASTag” is the 1.25x UPI rate.
| Vehicle class | One way (FASTag) | Return in 24 h | No FASTag (UPI) |
|---|---|---|---|
| Car / Jeep / Van | ₹355 | ₹522 | ₹443 |
| LCV / Mini bus | ₹576 | ₹854 | ₹721 |
| Bus / Truck (2 axle) | ₹1,187 | ₹1,757 | ₹1,484 |
| 3-axle commercial | ₹1,588 | ₹2,311 | ₹1,986 |
| 4–6 axle (MAV) | ₹1,868 | ₹2,791 | ₹2,336 |
| 7+ axle (oversized) | ₹2,078 | ₹3,141 | ₹2,598 |
One way, 263 km, at Tamil Nadu prices (petrol ₹108.78/L, diesel ₹100.59/L). Typical highway mileage; change it in the calculator for your car.
| Car type | Petrol | Diesel | CNG | Electric |
|---|---|---|---|---|
| Hatchback | ₹1,587 | ₹1,201 | ₹1,005 | ₹657 |
| Sedan | ₹1,905 | ₹1,390 | ₹1,188 | ₹750 |
| SUV / MUV | ₹2,597 | ₹1,887 | ₹1,537 | ₹955 |
Petrol is cheapest in Tamil Nadu (₹108.78/L) and dearest in Kerala (₹114.57/L). Filling the ~18 litres you need in Tamil Nadu saves about ₹101 versus buying it all in Kerala.
For the same sedan, fuel for one way costs ₹1,905 on petrol, ₹1,390 on diesel and about ₹750 on electric (public fast charging at ₹20/kWh; home charging is far cheaper).
The pass costs ₹3,075 for 200 crossings (₹15.38 per crossing) on NHAI plazas. This trip uses 3 crossings one way — worth about ₹46 of pass value against ₹275 in regular fees. If you drive highways often, the pass pays off on this route.
Return within 24 hours and the car toll for the round trip is ₹362 instead of ₹550 — a 34% discount that FASTag applies automatically.
About ₹355 one way with FASTag across 4 plazas — ₹275 in published fees plus ~₹80 estimated for 1 plaza that don't publish rates. A return within 24 hours costs ₹522. Without FASTag you pay 1.25x by UPI: ₹443.
4 on the fastest route: Trichy Salem, Ponnambalapatti, Chatrapatti, Chinnar 9/6 checkpost.
About 18 litres for a car doing 15 km/l (₹1,905 at Trichy prices). A hatchback at 18 km/l needs ~15 L; an SUV at 11 km/l needs ~24 L.
Around ₹2,260 one way for a petrol sedan (fuel ₹1,905 + toll ₹355), or ₹4,331 for a same-day return. Split between four people that is ₹565 each, one way.
Plan on about 7 h 5 min including short breaks. Free-flowing traffic can do it in 5 h 5 min, but towns, trucks and plaza queues usually add time.
One way with FASTag: bus/2-axle truck ₹1,187, 3-axle ₹1,588, 4–6 axle ₹1,868, 7+ axle ₹2,078 (includes estimates for plazas without published fees).
Yes, plazas charge the same fee in both directions, so the Munnar to Trichy toll is the same ~₹355 for a car. Fuel cost differs only if you fill up at Munnar's state price.
Fees are revised every 1 April and some plazas change mid-year, so treat results as a close estimate. Spotted a wrong fee or a missing plaza? Tell us — we fix reported errors within 72 hours and log them on our corrections page.
Built and maintained by Nikhil Shrivastava. Full method: how the calculator works.
Last updated: 24 October 2026