Not sure if any Dennis Lance / Optare Sigma's actually ran up in Derwentside. A DAF SB220 / Optare Delta yes, but don't recall Sigmas seeing use up there.
Not sure if any Dennis Lance / Optare Sigma's actually ran up in Derwentside. A DAF SB220 / Optare Delta yes, but don't recall Sigmas seeing use up there.