Ehrbar, H.; Teaching and learning from the Swiss AlpTransit project – using the example of the Gotthard Base Tunnel, 11th Graz Construction Managment & Construction Law Seminar; Bad Blumau 2020
Ehrbar, H.; NEAT in Switzerland – promises kept? Lessons from a history of more than 30 years, / 7th Munich Tunnelling Symposium, Munich 2020
Ehrbar, H.; Major infrastructure projects – key factors to success; 5th Rock Mechanics and Tunnel Construction Day at the WBI-Center, Weinheim, 2019
Ehrbar, H., Tannò. C., Vetsch, C.; Selection of the optimum tunnel system for long railway tunnels with regard to the entire lifecycle, Undergound Construction, Prague 2019
Ehrbar, H., Tannò, C., Vetsch H-P.; Optimum tunnel system with regard to the entire lifecycle for long rail tunnels, World Tunnel Congress, Naples 2019
Spang, K., Ehrbar, H., Elbaz, A.; LOOKING FOR PROJECT SUCCESS IN INFRASTRUCTURE PROJECTS – HOW CAN WE ACHIEVE IT?, ISEC , 2019
Ehrbar, H., Gruber, L. R., Sala, A., Zbinden, P. (Editors); Tunneling the Gotthard – Success Story Gotthard Base Tunnel, Swiss Tunnelling Society, 2016
Ehrbar, H., Gruber, Luzi. R., Zbinden, P.; Tunneling the Gotthard – Success Story Gotthard Base Tunnel – Closing Remarks, Swiss Tunnelling Society,, 2016
Zbinden, P., Ehrbar, H.; THE APPLICATION OR: FROM THE WISH TO REALITY, Tunnelling the Gotthard, Swiss Tunnelling Society, 2016
Ehrbar, H., Sala, A., Arnold, A.; CALLS AND CONTRACTS, Tunnelling the Gotthard – Success story Gotthard Base Tunnel, Swiss Tunneling Society, 2016
Ehrbar, H., Vogel, M.; WARRANTY OF WORKING SAFETY – THE MOST CHALLENGING CHALLENGE FOR ALL PARTNERS IN PROJECT, Tunnelling the Gotthard – Success Story Gotthard Base Tunnel, Sub-Construction Section, 2016
Ehrbar, H., Zbinden, P.; ORGANISATION AND PROCESSES,Tunnelling the Gotthard – Success Story Gotthard Base Tunnel, Swiss Tunnelling Society 2016
Ehrbar, H., Zbinden, P., Gruber, L.R.; QUALITY MANAGEMENT – MEASURES TO ENSURE THE AGREED QUALITY,Tunnelling the Gotthard – Success Story Gotthard Base Tunnel, Swiss Tunnelling Society 2016
Ehrbar, H.; SCHEDULING –THE BIG LEVER TO PROJECT SUCCESS,Tunnelling the Gotthard – Success Story Gotthard Base Tunnel, Swiss Tunnelling Society, 2016
Ehrbar, H., Zbinden, P.; FINANCING AND COST CONTROL,Tunnelling the Gotthard – Success Story Gotthard Base Tunnel, Swiss Tunnelling Society, 2016
ITA WG 14 & ITA WG 19; Recommendations on the development process for mined tunnels, ITA Report No. 17, 2016
Vetsch, H-P., Zbinden, P., Märki, E., Ehrbar, H.; Gotthard Base Tunnel – Choice of tunnel system from today’s point of view, Geomechanics and Tunnelling 9 (2016), No. 2
Ehrbar, H., Grundhoff, Th., Klar, S.J.; Tunnel Rastatt – A key project in many ways, Swiss Tunnel Congress 2016
Ehrbar, H., Vetsch H-P., Zbinden, P.; System Choice for Long Railway Tunnels – Looking back for the future, GeoResources Journal 4 | 2015
Honourable, H..; Tunnelling – Art or Science?, VSAO JOURNAL, 2014
Ehrbar H.; Building on tradition – Interview, World Tunneling, 2013
Ehrbar H.; Wildbolz, A., Priller, A., Seiler, A.; Grouting measures at the Gotthard Base Tunnel,Geomechanics and Tunnelling 6 (2013), No. 3
Ehrbar, H., Bremen, R., Otto, B.; Gotthard Base Tunnel – Mastering surface deformations in the area of two concrete arch dams – innovative solutions, World Tunnel Congress 2012, Bangkok
Ehrbar, H., Sala, A., Wick, R.; Tunnelling at the Gotthard Base Tunnel – a retrospective, experience and lessons from the client’s point of view, Swiss Tunnel Congress 2012
Ehrbar, H.; New railway link trough the Alps (NRLA) – The Swiss approach for financing and contracting large tunnel railway infrastructure projects; International Symposium Practices and Trends for Financing and Contracting Tunnels and Underground Works, Athens, 2012
Ehrbar, H., Sala, A. Wick, R.. Choice of tunnelling methods at the Gotthard Base Tunnel, Geomechanics and Tunnelling 4 (2011), No. 5
Ehrbar, H., Indergand, B., Regli ,A.; DESIGN APPROVAL PROCEDURE – A PREREQUISITE FOR ENVIRONMENTAL BUILDING, Austrian Tunnel Day, Salzburg 2011
Ehrbar, H., Bremen, R., Otto, B.; Gotthard Base Tunnel – Tunnelling in the area of influence of two concrete arch dams, Geomechanics and Tunnelling 3 (2010), No. 5
Ehrbar, H., Neuenschwander, M., Beeler ,P. Bianchi, M.; Tough decisions for mega-projects –A methodology for decision making on time-relevant measures at the Gotthard Base Tunnel, WTC 2010, Vancouver 2010
GOTTHARD BASE TUNNEL, SWITZERLAND – EXPERIENCES WITH DIFFERENT TUNNELLING METHODS,Segundo Congresso Brasileiro de Téneis e Estruturas Subterréneas, Semério Internacional “South American Tunnelling” , Sao Paolo 2008
Ehrbar H., Henke, A.; AlpTransit Gotthard:Current experiences and developments in the construction of the Gotthard Base Tunnel, GTMM, Karlsruhe 2003
Ehrbar, H.; Gotthard Base Tunnel, Un reto de 57 km a través de los Alpes Suizos