Śląskie). On 1 January 2007 the line between Będzin and the Żychcice loop in Wojkowice. On 31 July 2008 the line between Bytom city centre and Łagiewniki district (the line was reactivated in 2014). On 1 January 2009 the line between Hutnik Square in Chorzów and Alfredo Square in Wełnowiec district of Katowice. On 1 September 2009 the line between the terminus in Wójtowa Wieś (a district of Gliwice) and the Gliwice depot was terminated. The closure of the tram line in Gliwice made trams disappear from Gliwice entirely. As a result, residents of Gliwice requested a referendum on the dismissal of its president. The referendum was held on 8 November 2009 and due to the low turnout, its results turned out to be non-binding. Recent times In February 2011, city authorities of the Upper Silesian conurbation decided to launch the project "Modernization of Tram and Trolleybus Infrastructure in the Upper Silesian Agglomeration". The implementation of the project lasted from October 2012 to December 2015. Within the first stage of the project, the following investments were made: 48km of tracks were modernized (including Bytom – Łagiewniki section) and the catenary network was reconstructed. 30 2012N Twist low-floor streetcars were purchased and delivered by Pesa under an agreement of 10 December 2012. 75 105Na streetcars were modernised. 45 streetcars were modernized by consortium of Modertrans and MPK-Łódź and remaining 30 streetcars were modernized by Zakład Usługowo-Remontowy Tramwajów Śląskich using parts delivered by consortium of Modertrans and MPK-Łódź. The contract for modernization and parts supply was signed on 30 July 2012. The first modernized 105Na was presented on 17 December 2012, and on 22 November 2013 the first Twist was presented in Zabrze. On 14 May 2014 Twists started running with passengers and on 29 June line no. 7 Bytom - Łagiewniki was reactivated. Thanks to the favourable outcome of tenders and the resulting savings, Silesian Trams were able to enter the second stage of the project in which 15km of tracks were modernised, the traction network was reconstructed and 12 partially low-floor, bi-directional MF 16 AC BD Beta streetcars were delivered by Modertrans under a contract dated 27 November 2014. The total investment cost was PLN 626.95 million, of which 490.49 million PLN was financed by the EU under the Infrastructure and Environment Programme. The investments were also supported by a loan from the European Investment Bank. Despite significant investment from