The tour route was great and the trolley operators gave great information while we were riding, but the trolley pick-ups were unreliable. Trolleys were supposed to pick up at each stop every 20 minutes. We waited at one stop for 45 minutes and the trolley never came. We finally walked to the next stop and upon boarding were told that even though the trolley dropped us off there, the city did not allow them to make any more stops there that day due to construction. We had no way of knowing that and could have stood there all day. We got off at one more stop and after rushing to get to the pickup location on time had to wait again, as the trolley at this stop was 20-30 minutes late. We were frustrated because we spent more time waiting for the trolley than we did exploring the various stops.