Welcome to Specialized Transportation Services / Tipsy Taxi! For more information on our charter services, please click here. If you would like to learn more about Tipsy Taxi, please click here. If you want to request a ride on Tipsy Taxi, please click here to chat with our live operators during hours of operation (Thursday, Friday, and Saturday 10 PM - 2 AM). Any questions can be sent to asucdsts@asucd.ucdavis.edu.