employees and passengers. Classically, lighted acrylic destination signboards are manually changed at terminals. Recent modernization efforts provided exterior LED displays showing destination, route, train number, and class. Newest cars have bilingual flexible displays built-in. Train numbers are especially important on expresses, helping customers identify seat reservations. Modernisation Under the Railway Bureau, many projects have been undertaken to modernise the railway system and improve its efficiency. Under the "East Railway Improvement Project", the route between Taipei and Hualien was electrified. The section between Badu (in Keelung) and Taitung was improved by changing to 50 kg/m rail, automating traffic signals, and including portions of double tracks. Work began in June 1998 and was completed in December 2004, costing NT$43.691 billion. As part of the project, the New Guanyin Tunnel (at , the longest double track railway tunnel in Taiwan) and the New Yongchun Tunnel were constructed. The "Continued Improvement of Eastern Railways Project" was approved by the Executive Yuan on June 30, 2003, and involved a stretch between Dongshan and the Wulaokeng River. It included the construction of the elevated Dongshan Station as well as two branch lines. The project cost NT$2.779 billion, began in February 2004, and was completed by the end of 2008. Railway lines in eastern Taiwan are undergoing electrification and double-tracking improvements to increase train speeds from to . The first phase of the project is expected to be completed by the end of 2013 and will cut travel time between Taipei and Taitung down by about 1.5 hours. Completion of drilling for the Shanli Tunnel, the longest on the modified route, took place in March 2012. Corporatization of TRA Because of the several hundred-billions TWD of liabilities, and the legal person type of TRA is considered a block for elasticity operations of railway systems, there were several campaigns and groups set up that aim to take privatization and corporatization actions for TRA since 1990s. In May 2022 the Executive Yuan approved an act, called Taiwan Railways Limited Liability Company establishment ordinance, it's ruled that TRA will transit to be a state-owned railway company that operate exclusively by the government, setup a fund to handle debts of TRA, no employees of TRA will be axed, and consider raising up salaries by 3~5%. According to the ordinance, TRA is scheduled be renamed to Taiwan Railways Limited Liability Company by January 1, 2024. Lines Current passenger lines (): to Coastal