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7. Gulf Railway –$ 250 Billion
The Gulf Railway is a 2,177- kilometer rail network that will connect the six Gulf Cooperation Council( GCC) countries — Saudi Arabia, Kuwait, Bahrain, Qatar, the UAE, and Oman. With an estimated cost of$ 250 billion, this road will revise indigenous trade and transportation, reducing trip times and strengthening profitable ties between these nations. While progress has been slow, recent commitments indicate that the road could be completely functional by the early 2030s.