 As of 2018 the only major improvement planned for the A4 is the construction of a southern bypass for the town of Enniskillen.This is currently proposed by the Department for Infrastructure as a single carriageway road (with some limited opportunities to overtake) that will bridge the River Erne near the Killyhelvin Hotel, creating the town's third vehicular crossing of the river.Despite speculation about the possibility of providing more climbing lanes or overtaking lanes, and despite calls for bypasses of villages in the Clogher Valley (e.g.