Anti-tank Barriers on the Way to Seoul being Destroyed

The anti-tank barriers protecting South Korea are being removed one by one, although North Korea’s threat has not been reduced. 

Most South Koreans are unaware of their removal.

The barrier in this video is on Highway 43 in Pocheon City, Gyeonggi Province.  It is designed to block the invasion route through Chorwon, one of  3 main invasion corridors from North Korea to South Korea.

Without the barriers, North Korea can quickly move troops, armor, and artillery to Seoul in an hour–Seoul is only 30 km from the DMZ.  With the barriers, the journey should take them about 48 hours, giving the U.S.-ROK forces enough time to prepare and counter attack, if the front line forces are not able to stop them.

Unfortunately, the Moon administration made the decision to pull the ROK military back from the Guard Posts (GPs) at the DMZ as well as from the area 5-10 km south of the DMZ–known as FEBA (Forward Edge of the Battle Area)-A.  Without the early warning from the GPs, without the military defense of FEBA-A, and the anti-tank barriers, what else is there to stop the tanks from quickly reaching Seoul?  For those who say airplanes, artillery, and missiles, the problem is that it takes time.  So again, what else is left to act quickly?