Llangollen route 418, offering journeys to Wrexham and to London via Shrewsbury, Telford and Birmingham. The Ellesmere Canal was intended to connect the coal mines and ironworks at Ruabon and Wrexham to the canal network and thence to the sea via the River Mersey and the River Severn. The plans were altered, and instead of connecting Trevor northwards to the sea via the River Dee and southwards to the Severn, the canal ran eastwards to join the national network at Hurleston Junction on the Shropshire Union Canal near Nantwich. A feeder canal, navigable to Llangollen, was constructed from Trevor to tap
Llangollen Canal as the branch was constructed. At Frankton Junction the Montgomery Canal, which is partially restored, heads southwards. For historic reasons the bridge numbering continues down the Montgomery Canal and a second bridge numbering series for the Llangollen Canal begins with Rowson's Bridge (which is numbered both 1W and 70). The "W" addition was part of a Mimimum Safety Standards scheme instigated by British Waterways, to avoid possible confusion, especially for emergency services, of having different bridges on the same canal with the same number. British Waterways consulted with the Inland Waterways Association and the Shropshire Union Canal Society before finally