There are about100000 people in total. In order to commemorate the historical achievements of building an army of 65,438+million migrant workers in chengdu-chongqing railway and the heroes of migrant workers who died in road construction, the Southwest Railway Engineering Bureau of the Ministry of Railways of the Central People's Government decided to build a memorial hall for migrant workers who built roads in chengdu-chongqing railway in Meijiashan, Neijiang City, Sichuan Province, and a memorial hall for migrant workers who built roads in chengdu-chongqing railway 40 meters in front of the memorial hall the following spring.

Chengdu-chongqing railway starts from Chengdu in the west and ends in Chongqing in the east, with a total length of 505 kilometers. After the founding of New China, the Party and the government decided to build chengdu-chongqing railway under the extremely difficult conditions of the southwest people. 1June, 950, chengdu-chongqing railway started construction on all fronts; 1952 was completed in June, and the dream of the southwest people for nearly half a century has finally come true. Chengdu-chongqing railway is the first railway trunk line in southwest China and the first railway built after the founding of New China.

1987 65438+February, chengdu-chongqing railway electrification project was finally completed after years of hard construction, and passed the national acceptance. 2065438+April 2007, the 13th Five-Year Comprehensive Transportation Development Plan of Sichuan Province pointed out that chengdu-chongqing railway and other existing trunk railways should be expanded and transformed.