"Chris Brownbill" <cbrnbill@enternet.com.au> wrote in message 392D0F4C.C29D1039@enternet.com.au">news:392D0F4C.C29D1039@enternet.com.au... > > A variation on the question though - What's the origin of the tradition of Down > trains being given odd numbers and Up trains given Even numbers? Odd numbers out of town. Even numbers when returning. Seems pretty logical.