The Tianjin metro, when it opened in 1974, was the second largest in China with a length of 7.4 km. Extension with total length of 10.24 km has been financed under an Australian government loan of $110 million, of which 15 % was allocated for overseas purchase of vehicles, signalling, communication and power equipment. Total investment is $384.6 million, of which $276.9 million is from domestic sources. More information from Geng Shengli, Tianjin Municipality, Bldg 5, 12 Qu, Heping Jie, Dongcheng District, Tianjin, China 100013, tel +86 22 421 6482, fax 421 3017. Also undergoing feasibility studies is Tianjin Suburban Line 1 with a total length of 60 km. November 1999.   Construction starting on $830 million project to extend existing 7.4 km-long line 1 to 26 km with 48,000 pax/h capacity. Completion by December, 2005. www.xinhua.cn 33/01.  Planning and design work for Lines 2 and 3 of the Tianjin metro has been completed and construction is expected to commence soon. Line 2 will be 22.5 km-long and will run from east to west and 20.3 km of the line will be underground. Of 20 stations, 18 will be built below ground.The 28.4 km Line 3 will run from north to south and 20 km of track will be underground. 2.2 km will be built at ground level and 6.2 km will be on elevated viaducts. There will be a total of 22 stations with three on elevated platforms, 17 underground and two on ground level. 28/03.