NORTHERN IRELAND RAILWAYS (NIR)

■ TRAFFIC AND TRACTION: Low rail adhesion, caused by leaf mulch, was a problem across the system during the period under review. The use of the waterjetter wagon, hauled by GM No. 8112, (see January issue) continued on the Portadown to Bangor line and from Belfast to Carrickfergus, until MPV No. 11 returned to RHTT duties in late November. Low rail adhesion has had a particularly acute