Channel Tunnel 2G and 3G services. Both EE and Vodafone planned to offer LTE services on the route; EE said it expected to cover the route with LTE connectivity by summer 2014. EE and Vodafone will offer Channel Tunnel network coverage for travellers from the UK to France. Eurotunnel said it also held talks with Three UK but has yet to reach an agreement with the operator. In May 2014, Eurotunnel announced that they had installed equipment from Alcatel-Lucent to cover Running Tunnel North and simultaneously to provide mobile service (GSM 900/1800 MHz and UMTS 2100 MHz) by EE, O and Vodafone.
Channel Tunnel train's winterisation shields, and the transition from cold air outside to the tunnel's warm atmosphere had melted the snow, resulting in electrical failures. One train was turned back before reaching the tunnel; two trains were hauled out of the tunnel by Eurotunnel Class 0001 diesel locomotives. The blocking of the tunnel led to the implementation of Operation Stack, the transformation of the M20 motorway into a linear car park. The occasion was the first time that a Eurostar train was evacuated inside the tunnel; the failing of four at once was described as "unprecedented". The Channel Tunnel reopened the following