Although not specifically for O14 (or even for 7mm scale) I’m sure this Easy Street simulated tram girder rail produced by PROTO:87 STORES might find some use, as it will accommodate RP25 wheels.
Full details can be found here: http://www.proto87.com/easy-street–track-system.html
Prolific modelling blogger Phil Parker has recently been updating on his experiences with the KBscale track sample kit. His impressions are positive, describing it as good value for money and useful encourage into a new scale.
There have been two posts on the subject so far, and it sounds like there may be more to come [...]
Whilst I am mainly involved with Signals and Track for Standard gauge Model Railways, I can also offer a track/point building service in narrow gauges.
I can also offer servo operation of points, either for the modeller to install himself or included in the build. If you visit my website, you will see a Youtube [...]