XiTRACK™ Projects:  Falkirk High Tunnel

XiTRACK Polymer was applied to ballast on the transition from plain line to concrete slab-track at Falkirk High Tunnel Down Line, East Portal in 2005 to improve the vertical geometry and lateral alignment of the track where frequent attention had been necessary. 

In order to reduce the dynamic load on the renewed concrete slab-track, a stiffened transition was necessary.  It was known that a concrete track transition structure had deteriorated and in addition the site suffered from water ingress problems and the XiTRACK design had to accommodate these effects.  The XiTRACK GeoComposite structure was devised to allow track drainage.

Despite some unforeseen site difficulties and problems directly due to inclement weather which were overcome, the treatment was completed within the scheduled time slot. 

The site has subsequently performed as expected.