| Before construction of the park | Period 1 | 2013. 06. 01.∼2014. 05. 31. | 2013. 06. Establishment of Gyeongui Line Forest Park Development Plan 2013. 10. Start of construction of Gyeongui Line Park Project Phase 2 | 3,104 |
| Period 2 | 2014. 06. 01.∼2015. 05. 31. | 2015. 05. Completion of construction of Phase 2 | 9,870 |
| After construction of the park | Period 3 | 2015. 06. 01.∼2016. 05. 31. | 2015. 09. Start of construction of Gyeongui ∼ine Park Project Phase 3 2016. 05. Completion of construction of whole Gyeongui Line Park Project | 21,883 |
| Period 4 | 2016. 06. 01.∼2017. 05. 31. | 2016. 06.∼2016. 07. Complementary construction based on viewpoints of park users | 35,588 |