Qatar leads in terms of railway projects being executed in all GCC countries, with an estimated US$ 41.8 billion in the pipeline. Rail projects planned in the country include national and inner-city railway systems, some of which will ultimately converge to form part of the ambitious GCC Rail project, which aims to unify the region and enhance connectivity and freight movement. The project is expected to generate significant employment for GCC nationals, promote social integration and economic development, advance the GCC initiatives on the common market and facilitate trade. It will also support building national railway industries in the GCC member states, alleviate congestion and reduce maintenance costs on roads. A clear indicator of this impending expansion is the rise in participation from rail related service providers and Qatar-based business at The Big 5.