The four main islands and all the towns and villages are linked by well-constructed roads. There were of roadways in 2002, of which were paved. A causeway stretching over , connect Manama with Muharraq Island, and another bridge joins Sitra to the main island. A four-lane highway atop a causeway, linking Bahrain with the Saudi Arabian mainland via the island of Umm an-Nasan was completed in December 1986, and financed by Saudi Arabia. In 2000, there were 172,684 passenger vehicles and 41,820 commercial vehicles.
The four main islands and all the towns and villages are linked by well-constructed roads. There were of roadways in 2002, of which were paved. A causeway stretching over , connect Manama with Muharraq Island, and another bridge joins Sitra to the main island. A four-lane highway atop a causeway, linking Bahrain with the Saudi Arabian mainland via the island of Umm an-Nasan was completed in December 1986, and financed by Saudi Arabia In 2000, there were 172,684 passenger vehicles and 41,820 commercial vehicles.