Taxi services are numerous .
Many citizens of Xi'an still commute to work using the city 's 270 official municipal bus routes serviced by a fleet of over 7,800 buses , with an average system - wide ridership of over 4 million people per day .
Taxi services are numerous , but many citizens of Xi'an still commute to work using the city 's 270 official municipal bus routes serviced by a fleet of over 7,800 buses , with an average system - wide ridership of over 4 million people per day .