Route number is 81快. Remember it—the number stays the same everywhere: on the stop display, in apps, on the vehicle itself. Look for 81快 specifically. If you're not sure you found the right stop, just ask someone nearby: 'Does bus 81快 stop here?'

This route serves the Hangzhou (China) region. In larger metro areas, routes can pass through several districts or towns. To know for sure if it works for you, pull up the route map and check the key stops and direction.

Starting point is 环丁路公交站. Usually at the first stop there's a turnaround or layover space where drivers rest between runs. If you want to guarantee a seat, get on here—the vehicle is just starting out and still mostly empty.

Final stop is 地铁彭埠站（A·C）. Everyone gets off here, the vehicle turns around and heads back after a few minutes. Missed your stop? No big deal—just ride to the end and come back on the same route.

Operating hours: Mo-Fr 08:00. First and last trips can differ by day of week and season. For late-night travel, check current arrival predictions and have a backup plan in case the schedule changes.