(1) From Taoyuan Airport to Taipei:
Airport Buses (1819 etc) to Taipei main station. Buses leave every 10 to 30 minutes from Terminal One. Those entering the Arrival Area after leaving Custom, can proceed to the left side of the Hall to purchase bus tickets and board buses. A one way ticket costs around NT$125. The trip usually takes about an hour.
A 15% surcharge is allowed over the fare shown on the taxi meter for journeys from Taoyuan Airport. The average fare (plus surcharge) to Taipei is about NT$1,100-1,400.
Taoyuan Metro leave every 15 minutes from Airport Terminal 1 Station. About spend 30 to 40 minutes arrived to Taipei Main Station. A ticket costs around NT$160.
Or you can visit the Taoyuan airport website and for more buses , taxies and metro information.
(2) From Taipei Main Station to Taiwan Tech
Taxis are the most convenient way to get around in Taipei. The average fare from Taipei Railway Station to Taiwan Tech is within NT$150-200. However, very few drivers speak English, so always have your destination written down in Chinese or show this map guide to the driver to indicate where you are heading before starting out. Most yellow taxis can be flagged down along main streets. Receipts are available upon request. Tipping is not necessary.
請到國立臺灣科技大學 (Please take me to Taiwan Tech)
Just hop on the Xindian (green) Line and get off at MRT Gongguan station - a 10 minutes walk to Taiwan Tech. Leave exit 2 and turn left, staying on the main road (Roosevelt Road) and heading for the intersection of Roosevelt and Keelung road.(with a circle). Turn left to Keelung Road and walk about 300-500 meters to the main Entrance of Taiwan Tech.
Map of the Taiwan Tech Campus