Roads in and around Exeter and Plymouth are blocked by flooding after a night of heavy rain.
Kings Road in Plymouth has been flooded, and parts of the route are impassable for traffic.
Parts of the A38 are also blocked because of flood water in South east Cornwall at Doublebois, Taphouse and Pelynt.
Heavitree in Exeter has also seen some localised flooding.
The Met Office has issued a yellow warning set to last until 8pm tonight.
The Environment Agency has a number of flood alerts active in the South West.