The light rail system, Dallas Area Rapid Transit (DART), is to be doubled in size during the next decade following agreement on a $2.4bn investment programme. The year 2006 marked the tenth anniversary of the opening of the first 17.6km (11 mile) line with 14 stations, which has since grown to 77km (48 miles) with 39 stations overall.

The Central Corridor is a light rail transit system being developed in Minnesota, the US. It is the second light rail transit (LRT) in Minnesota – the first one being the Hiawatha line – and is the third rail line planned for Minneapolis. The transit system will connect Minneapolis and Saint Paul in Minnesota.

The US city of Baltimore’s Metro Subway and Light Rail System (LRS) are operated by the Maryland Transit Administration (MTA).

The Blue Line to Cosumnes River College (CRC) Light Rail Extension, also known as the South Line Phase 2 project, is being built by the Sacramento Regional Transit District (RT).

Santo Domingo Metro is a rapid transit system serving commuters in Santo Domingo, Dominican Republic. The Dominican Republic lacks a mass transit system and as the country's population continues to grow, so does the need for an alternative and reliable form of public transport.

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