GetLink, the Channel Tunnel operators, rejected his formal request to walk the 31-mile service tunnel. More Russian visa trouble sent him walking from Los Angeles all the way to the Russian embassy in Washington DC. Eurotunnel’s safety-first rejectionBushby put in a formal request to walk the dedicated service tunnel that runs between the two rail tunnels. Closing the service tunnel for the estimated 15 hours (or possibly two days) would create safety risks for passenger services and disrupt essential maintenance. Walking the service tunnel remains his preferred option.