Twyford Down

Twyford Down is a region of chalk downland lying straightforwardly toward the southeast of Winchester, Hampshire, England. It is arranged close to the South Downs National Park, by St. Catherine's Hill. The down has been utilized as a settlement since pre-Roman circumstances, and has facilitated a post and a sanctuary, and additionally being a well known seventeenth and eighteenth century instructing course.

In 1991, the down turned into the site of a noteworthy street challenge the finish of a segment of the M3 motorway from London toward the south shore of England. There had been plans since the 1970s to supplant a prior 1930s-assembled sidestep of Winchester, which turned out to be routinely congested because of configuration includes that had turned out to be obsolete. This wound up hazardous because of the absence of accessible land between Winchester College and St. Catherine's Hill.