in 1790 and signaled the end of the stagecoach era, as the canals were a cheaper and more efficient means of transport. The stretch from Dublin to Mullingar opened as a trade route around 1807 and the canal eventually reached the Shannon in 1817, though the company was heavily in debt. The decision by the Duke of Leinster to build a spur from the canal to his country residence at Carton House was one of the contributing factors which finally broke the company.

Even though rail travel was much quicker, the canal continued to carry traffic