Well, yes, if the Great Western Railway's original plans had come to fruition. The line was planned to leave Windsor at a junction on the viaduct at Barry Avenue/Baths Island and proceed out to the west and then south-west to Ascot via Winkfield.

This page features a map showing where the GWR had purchased land in readiness for the construction of the line, and which plots had been sold off once the plans had been scrapped.The Windsor to Ascot line