Over priced and greasy food. In fact the food tastes very similar to places within Mumbai. Plus, if I am not mistaken, they don't accept credit cards.
I am from Poona and had visited Toni da dhaba just 2 months back. I did see boards there stating that they accept credit cards. The only positive part of this dhaba is spacious,good ambience and hygienic washrooms. Otherwise,its over hyped,over priced so called "Dhaba". It did not impress me at all.
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The fact of dhabas/hotels located between Poona and Mumbai ,be it on Expressway or old NH4 is that, they are located between two hep top level metro cities located so close to each other and add to it numerous hill stations and tourist spots. The hoteliers know that the crowd travelling between these two cities is highly affluent and thats a fact too. Got to see the high end car/ SUV / Volvo bus traffic on this route to believe it !!! This should be only such highway in our entire country if I am not wrong. But people like me also travel and Hoteliers should know that.. He he he.. I am yet to explore cheap and good dhabas on this Poona-Mumbai route. For now, on the Poona-Satara section of NH4 there are plenty of reasonably priced Dhabas/motels.
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Also,the old NH4 (4 laned highway) is maintained in a best shape by IRB ( guys who maintain Expressway as well) and the traffic on this road too is pretty high almost as much the Expressway.