Discover washington dc at your leisure with a one day ticket on the hop on hop off trolley tour create your own itinerary to see the most popular sights of washington dc at your own pace upgrade to the 2 day pass this is dcs only trolley with gps tracking you can find the your next trolley arrival nearby trolley stops and there is even a call in feature no phone app is required maximize your time on the trolleys with the use of this tool