GWR era Large Prairie passenger service from Oxford to Paddington via Thame and Maidenhead

You are stopping at all stations to along the line of the old Wycombe Railway,
from Kennington Junction to Maidenhead, joining the Western main line there and ending at Taplow.

There are 15mph speed restrictions at token pick up points along the single track line.
The first is at Kennington Junction then Cowley, Wheatley, Thame and Princes Risborough.

Wait for crossing traffic at Wheatley (due 8:22am)

Wait for crossing traffic at Thame (due 8.41am) and take water there.

At Princes Risborough wait for the Aylesbury connection to arrive in the Aylesbury bay (due 8:58am).

Take water at High Wycombe (due 9:17am).

Wait for crossing traffic at Loudwater (due 9:23am)

Wait for the 'Marlow Donkey' connection to arrive at Bourne End (due 9:34am)

The journey ends at Taplow Up Relief Platform (9.54am).

The section of the Wycombe Railway from Princes Risborough was incorperated into the
later GWR/Great Central's joint London Extension to Ashendon Junction.
The LNER maintained the joint line north from West Wycombe, hence the upper quadrant signals.

South of Princes Risborough the original (down) line descends steeply around the hill
while the newer up line climbs at an easier gradient through cuttings and a short tunnel.
Mid way between Saunderton and West Wycombe, old bridge abutments remain beside the brick arch bridge
over the main road. The original viaduct over the Hughenden valley survived unused.

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