Gotthard Base Tunnel completed by 2018.

Created by gwern on 2011-01-25; known on 2018-01-01; judged right by JoshuaZ on 2018-01-01.

• gwern estimated 20% on 2011-01-25
• gwern said “http://www.futuretimeline.net/21stcentury/2010-2019.htm#gotthard-base-tunnel” on 2011-01-25
• gwern said “https://secure.wikimedia.org/wikipedia/en/wiki/Gotthard_Base_Tunnel” on 2011-01-25
• gwern said “already scheduled to open in ‘late 2017’. ‘tis a fool’s bet it won’t slip a few months over the coming years…” on 2011-01-25
• JoshuaZ estimated 40% on 2011-05-24
• gwern said “futuretimline update: 2016: http://www.futuretimeline.net/21stcentury/2016.htm#gotthard-base-tunnel” on 2011-09-26
• themusicgod1 estimated 50% on 2016-10-07
• JoshuaZ   judged this prediction right on 2018-01-01.