1. Statistisches Bundesamt, Gefahrguttransporte-Ergebnisse der Gefahrgutschätzung Gefahrguttransporte-Ergebnisse der Gefahrgutschätzung, Wiesbaden, Germany, Statistisches Bundesamt, 2013, pp. 1–24
2. Influence of safety measures on the risks of transporting dangerous goods through road tunnels;Saccomanno;Risk Anal.,2002
3. AP, China belatedly reports 31 dead in tunnel blast, The Associated Press, 2014.
4. European Parliament, European Council, Directive 2004/54/EC of the European Parliament and of the Council of 29 April 2004 on minimum safety requirements for tunnels in the Trans-European Road Network, L167/39, 2004;2004/54/EC.
5. European Parliament CotEU, Directive 2008/68/EC of the European Parliament and of the Council of 24 September 2008 on the Inland Transport of Dangerous Goods, 2008, pp. 13–59.