Path T2-316 was not what it used to be. Though Lucas had helped preserve it, as a designated route for the advancement of the conquering army of Devourers, it got besieged again later, and again.
As a defense point at the periphery of the Empire, it was impossible to guard it to the death while letting the defense line remain extended till there for the long-term. So it got abandoned at some point, lost after it had cost many lives to defend for as long as the strategy of the Empire had deemed it necessary.
