I wish I had checked the reviews earlier, then I would have been warned. At first it was quite convenient - a nice way to get to see a big part of the city and get a few tidbits pointed out along the way. But it turned out to be pretty slow and got off schedule quickly. Our first pickup was on time but the next time we had to hop on, it was at least 15 min behind schedule. Thankfully there was a bench we could sit on, unlike the next time, when we had to wait standing in the heat with another 30 unhappy passengers when it was 30+ minutes behind schedule (and not everyone waiting could even fit on the bus). Given that so many passengers are older, less mobile visitors, this was really not a good experience for fellow customers.
The drivers too are mixed. Some were great - probably 2 of the 4 we had. 1 was not good at all, constantly shushing the bus so that we would listen to his commentary about the city.
I've liked hop on hop off buses elsewhere but do not recommend this one.
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