RSEA has undertaken highway projects 9,606.25 Km in length, the major projects including as follows:
Domestic
East-West Cross lsland Highway, Mac Arthur Highway, Northern and Southern Cross lsland Highways, Keelung Elevated Highway, Northern Coastal Highway, Taipei Chien-Kuo North-South Elevated Highway, South Link Elevated Expressway, New No. 5 North-South Expressway, Taipei Citizens Expressway, Taipei MRT Tan-shui Line, Nan-kang Line, Tu-cheng Line, Shin-chong Line, Lu-chou Line and Hsin-yi Line Projects, Chung Shan Freeway, Second Freeway, Taipei Chao-mei Expressway, Taipei-Ilan Freeway, Natrional Highway No. 6, Western Coastal Highway, East-West Expressway Wanli - Rueibin Line, Bali Hsin-tian Line, Chang-hua Coast - Taichung Line, Hou-lung Wen-shui Line, Eastern Line Railroad, Taiwan High Speed Railway CN 250 Project, Kaohsiung MRT.
Overseas
Udon-Sakhon Nakorn Highway, Bang Pa-In to Nakhon Sawan Highway, Khon Kaen-Loei Highway and Chumphae-Chiaphung Highway Lot2, Thailand; Sawahtambang-Lubuklinggau Highway, Telukbetung-Bakauhuni Highway, Padalarang-Cilleunyi Highway Project and Jakarta-Merak Tollway, Indonesia; Mecca-Hawiya Road No.1, Road No.54-Banisaad Road, Jabel Bahan Feeder Road, Abha Airport Flyover Project, Sha’arDecent Highway. Al Baha Bilad Zahazan Feeder Rood, Taif-Sayl Kabir Road, Road 54/2B Deleh Decent Project and Feeder Road No. 10 Project, Saudi Arabia; Safi-Aqaba Highway Project, Safi-Mazra’a Highway Project, Zarqa-Es-Sukhna-Jarash Highway Project, Amman North Inner Ring Road Project, Azraq-Iraqi Border Highway Project and Suwaqqa Hasa Highway Turnkey Project, Jordan; Pan Island Expressway Project, Interchange at East Coast Parkway/Coastal Road/North South Arterial from Jalan Sagu, Mass Rapid Transit System and Kranji Expressway, Singapore; Jitra-Butterworth Toll Expressway Project and North-South Expressway, New Klang Valley Expressway Project, Malaysia; Airport Highway Project, Guinea Bissau; Metro Manila Skyway Stage, Su Bike Bay Port Area Roadways, the Philippines; San Carlos Highway Project, Costa Rica.
Danshui Line of Taipei MRT System
  • Seven stations (include two underground stations)
  • Contract sum：US$ 222,300,000
  • Executing period：June 1989 / Mar 1993
Second phase of Taipei Jhoumei Expressway Project
  • Section from Huangong stream to Dayeh Road was completed by RSEA, which has entered the shortlist of gold medal award of public project.
  • Project content：2,040 meters steel bridge, 1,344 meters paved road.
  • 374 meters steel bridge crossing Huangong Stream, which is a 3 span bridge, the central span reaches 154 meters.
  • Contract sum：NT$ 1,389,000,000
  • Executing period：July 2001 ~ May 2003
Taichung Beltway Project of National Freeway No. 4 of Taiwan, From Qingshiu to Shengang
  • Total length：6.88 KM
  • project content：Dajar river bridge、southern Dajar high rise bridge、taichung harbor system interchange ramp bridge
  • supreme pier：35 meters high
  • Contract sum：NT$1,389,000,000
  • Executing period：Jan 1999 ~ April 2002
Wurih Interchange & Jhongtou Highway Interchange Project of National Freeway No. 3 , Taiwan
  • Total length：about 4,100 meters
  • Include Wurih interchange, Jhongtou highway interchange, Access Road and connect Road.
  • Executing period：Jan 1999 ~ July 2002
Hsinchu System Interchange Project of National Freeway No. 3, Taiwan
  • located at the intersection of Freeway No. 1 and Freeway No. 3 in Hsinchu City
  • Executing period：June 1987 ~ July 1993
Taiwan National Freeway No. 1 (Sun Yat-Sen Freeway) Project
  • Total length：376 KM，from Keelung City to Fengshan City
  • Include 9 separate projects, a total of 170 km was completed by RSEA
  • Contract sum：US $ 279,300,000
  • Executing period：July 1971 ~ Dec 1978
Shar Descending Road Project in Saudi Arabia
  • 2 Line Expressway： 63 KM
  • Tunnels：11
  • Bridges： 31
  • Contract sum：US$ 97,359,649
  • Executing period：Jan 1978 ~ Dec 1983
Dela Descending Road Project in Saudi Arabia
  • Paved road：11 KM
  • Slope of the road：8.3%
  • Bridges： 38
  • Largest span of steel arched bridge： 80 m
  • Contract sum： US$ 110,374,605
  • Executing period： Aug 1981 ~ April 1987
Tangerang Expressway Project in Indonesia
  • Total length：43.3 KM
  • Contract sum：US$124,243,875
  • Executing period：July 1993 ~ Oct 1996
Surabaja Highway Project in Indonesia
  • Total length：46.8 KM
  • Contract sum：US$114,342,125
  • Executing period：Oct 1980 ~ Dec 1987
Manila Overpass Highway Project in Philippine
  • Total length：10.48 KM
  • Contract sum：US$376,000,000
  • Executing period：May 1996 ~ May 1999
  • adopt patently rotatory beam construction method
Genting Highlands Expressway Project in Malaysian
  • Total length：32.3 KM
  • Contract sum：US$ 92,160,905
  • Executing period：May 1983 ~ Nov 1985