The start of the implementation of the second part of the Mashhad metro line 3 project The implementation of the second part of the Mashhad three-rail line project, 3.5 kilometers long with three stations and worth 12 thousand billion tomans, from Shahada Square to Pardubasi Square, began on Tuesday during a ceremony. This route will be implemented by the construction site of Hatem Alanbia (RA) in a period of 36 months.