Taichung City Government has been actively strengthening public transportation serving Taichung International Airport by promoting multiple bus routes that provide direct access in under 40 minutes to the MRT Green Line, Taiwan High Speed Rail (THSR), Taiwan Railway coastal line stations, and national highway bus transfer stations. Overall ridership has grown significantly, with the high-performing Rt. 333 standing out as one of the key airport connections. Running approximately 25 kilometres, Rt. 333 passes many of Taichung's major attractions and commercial hubs, including Taichung Metropolitan Park, Tunghai University, Maple Garden park, Shin Kong Mitsukoshi Department Store, Top City mall, National Museum of Natural Science, Taichung City Hall, and Taichung Station. More than just an airport express route, it also serves as a "city sightseeing highlights route". Whether they're shopping at department store areas, visiting popular sightseeing spots or heading directly to Taichung Station for transfers to Taichung International Airport or other cities, passengers can travel conveniently across the city on Rt. 333.
Taichung International Airport has now expanded services with 26 international flight routes connecting to destinations in Japan, South Korea, Vietnam, Hong Kong, Macau and Southeast Asia. The steady growth of the airport's international network has also led to an increasing demand for public transportation between the city center and airport. In response to this growth, the Transportation Bureau has continued promoting airport shuttle bus services, providing travelers with convenient, diverse transfer options and strengthening central Taiwan's international connectivity.
Taichung Transportation Bureau Director-General Yeh Chao-Fu notes that the city government has worked extensively to expand Taichung Airport's international flight network, adding that the bureau has also optimized bus schedules and route planning based on flight operations. In addition to existing buses such as Rt. 156, 162, 302 and 500 that connect major transfer hubs, new airport express and shuttle services like Rt. 679, 555 and 333 have been introduced to strengthen transportation capacity. Travelers departing from Taichung Airport can now reach the airport in just 30 minutes from major stations such as "Chaoyang Station" and "Wuqi Gaotieshang Station."
When visitors arrive in a city, transportation experiences often shape their first impressions. The popular Rt. 333 has become an important transportation corridor connecting the airport and urban districts. The trip to Taichung Station takes about only an hour, linking the city's central transportation network and serving airport passengers, commuters and transfer travelers alike.
As an airport bus route extending directly to Taichung Station, Rt. 333 provides convenient bus services for both arriving and departing travelers, making commuting, transfers and tourism more efficient.
Director-General Yeh also notes that Taichung International Airport serves as a key international gateway for central Taiwan. Public transportation connections to the THSR Taichung Station include Rt. 156 and the Taiwan Tourist Shuttle Sun Moon Lake Line (6670E), both offering direct service via National Freeway No. 3 or Provincial Highway No. 74, with travel times of approximately 30-40 minutes.
In addition, passengers can transfer via the MRT.
Taichung City Government currently operates 21 airport connection bus routes, integrating trunk and regional bus systems to meet daily commuting needs while also facilitating domestic and international travel. Route 333 operates on a fixed bidirectional schedule with 24 daily departures running from 5 a.m. to 11 p.m. All buses are low-floor vehicles equipped with multi-level oversized luggage racks, making it convenient for baggage-toting travelers. For international visitors, these thoughtful details create an immediate warm and welcoming first impression when they arrive.
Director-General Yeh also points out that Taichung residents using transportation cards or the "Taichung Go" ride code can enjoy the city's exclusive "Double 10 Bus Fare" discount program, which offers free rides within 10 kilometers and a maximum fare cap of NT$10. The initiative encourages greater use of public transportation and helps reduce carbon emissions. Taichung warmly welcomes both local and foreign visitors to experience this happy, livable and globally competitive city.
Taichung City Government has assisted bus operators in installing large luggage racks on airport route buses to better accommodate passengers' luggage storage needs.
台中市政府積極強化台中國際機場公共運輸服務，推動多條40分鐘內直達提運綠線、高鐵、台鐵海線車站、國道客運轉運站的公車路線，整體搭乘運量大幅成長，其中機場聯外重點路線表現亮眼的333路線，全程約25公里，沿途經過都會公園、東海大學、秋紅谷生態公園、新光三越、大遠百商圈、國立自然科學博物館、台中市政府、台中車站等站點，不只是一條機場快提線，更是一條「城市觀光精華線」。不管去百貨商購購物、到人氣景點拍照打卡，還是直奔台中車站轉乘到台中國際機場或其他城市，只要搭上333路公車就能一路暢行。
台中國際航線已擴增至26條，範圍橫跨日、韓、越、港澳及東南亞等市場，台中國際機場航線穩定成長，顯見市區與機場間的大眾運輸需求激增，隨著國際航線版圖拓展，市府交通局推動機場聯外公車服務，提供旅客便捷、多元的接駁選擇，國際旅客出入中台灣將更加便利，也讓中台灣對外連結更加緊密。
台中市政府交通局長葉昭甫表示，市府大力開發台中機場國際航線，交通局依航班特性優化公車班次與路網配置，繼提供156、162、302、500等路線公車申聯轉運節點，陸續新闢679、555、333路機場快線與公車連線加強疏運，民眾自台中機場搭車出發，30分鐘即可抵達「朝馬站」、「捷運文華高中站」等站點。
旅行一座城市，交通體驗往往決定第一印象，普受歡迎的333路公車為車購市區與機場的重要幹線，站點行經台中車站僅需1小時，貫穿市區中軸幹線的接駁路網，除服務機場旅客外，兼顧沿線通勤與轉乘需求333路為延伸至台中車站的機場公車，該出國、返國的民眾輕鬆搭公車返回溫暖的家，無通勤、轉乘或觀光旅遊都更具效率。
交通局長葉昭南指出，台中國際機場為中部地區對外重要門戶，往返高鐵台中站的大眾運輸，還有156路及台灣好行日月潭線(6670E)，提供經國道3號或台74線快速連路的直達服務，行車時間約30至40分鐘，加上交通局長提供透過捷運線轉乘333及「台灣好行555機場快捷線」，歡迎旅客多加利用。
台中市政府目前共計有21條聯外路線，可透過幹線公車及區域路線的串聯，滿足市民通勤需求，便利國內外旅客進出台中。333路公車為雙向固定班次時刻，營運期間每日提供24班次服務，營運時間自上午5時起至晚間11時止，全程採用低地板公車，車內設有多層大型行李置物架，方便旅客攜帶行李搭乘，對國際旅客來說，這種「一下飛機就能感受到貼心」的小細節，令人印象深刻。
交通局長葉昭甫說明，台中市民持交通卡或「台中Go」乘車碼搭乘，可享市民專屬「雙十公車」優惠，10公里內免費、上限10元，鼓勵更多民眾選擇大眾運輸、降低碳排，台中市熱情迎接國內外遊客來台中，享受這座幸福宜居又具國際競爭力的城市。
台中市政府輔導業者於機場路線車輛裝設大型行李置物架，方便旅客放置行李需求的服務。