Complex sentence: The fell is named after the Roman road which ran over the summit on its journey between the forts of "Brocavum" near Penrith and "Galava" at Ambleside.
Split into simpler sentences: The fell is named after the Roman road which ran over the summit. The Roman road crosses the fell on its journey between the forts of "Brocavum" near Penrith and "Galava" at Ambleside.