The proposal of building a bridge between Northern Ireland and Scotland is supported by members of a number of UK political parties. DUP MP Sammy Wilson compared the idea to the approved Channel Tunnel and HS2 projects. The party made a feasibility study into a tunnel or enclosed bridge a precondition to coalition support in the event of a hung parliament in the 2015 election, and again reiterated the potential for a sea bridge in January 2018. In January 2018, leading figures in the Democratic Unionist Party revived calls for a bridge or tunnel between Larne in County Antrim and Dumfries and Galloway; the estimated £20 billion cost of the project would make it among the biggest infrastructure projects in UK history. The link was proposed by Wilson and Simon Hamilton, a former minister for the party in the Stormont administration.