[2] After leaving university, Garraway joined the Corps of Royal Engineers, and was posted to Germany, where he became the locomotive superintendent of the Detmold Military Railway and was promoted to the rank of captain.
[2] After the end of his military service, Garraway joined British Railways, training as a locomotive engineer at Doncaster Works.
The next year, he was one of the "Bristol group" of volunteers who proposed rescuing the Festiniog Railway which lay moribund about 20 miles north of the Talyllyn.
By 1953, enough of the Festiniog Railway had been restored to start a public service, with the first train running on 23 July 1955.
[6] For a while they lived in a flat converted from an office in Porthmadog Harbour railway station, but later they moved to a bungalow in Minffordd.