Plans for segregated cycle lanes, with stepped track; involving busy roundabout at junction with Eynsham Drive / Yarnton Way . See drawings via link below (single large pdf file, which may take a while for Adobe to load).
https://drive.google.com/open?id=0B6xPCnnDJrUhMVhaT3QtN1lkRGc

Map above shows wider context of area; current scheme is focused on area to north of station (with Crossrail service starting c 2019) .