Private Bill Committees have been set up to consider legislation on issues such as the development of the Edinburgh Tram Network, the Glasgow Airport Rail Link, the Airdrie-Bathgate Rail Link and extensions to the National Gallery of Scotland. Burrell Collection (Lending and Borrowing) (Scotland) Bill Committee City of Edinburgh Council (Leith Links and Surplus Fire Fund) (Scotland) Bill Committee City of Edinburgh Council (Portobello Park) Bill Committee Justice Sub-Committee on Policing - Implementation of Police and Fire Reform (Scotland) Act  Referendum (Scotland) Bill Committee Welfare Reform Committee