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Cardinham Downs Junction

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Cardinham Downs
Location Map ( geo)
A30 Temple - Cardinam Downs Junction.jpg
Cameraicon.png View gallery (2)
Highway Authority
National Highways
Junction Type
Compact GSJ
Roads Joined

Cardinham Downs Junction, also known as Trewardale Junction in local news reports, is a junction currently being rebuilt on the A30, north of the village of Cardinham, Cornwall.

The new incarnation of the junction is being constructed as part of the Temple - Higher Carblake Dualling scheme, removing the single carriageway bottleneck from the A30. It marks the most westerly point of the scheme and is a Compact Grade Separated Junction, meaning simple give way entries onto the A30.

The junction started out as a simple T-Junction at Classification, only having its layout changed when the A30 was dualled up to here from the Bodmin Bypass in the 1970's when it became a simple at grade junction with a gap in the central reservation. To improve access to the local services and to keep local and long distance traffic separated, as well as closing one of only a few central reservation gaps on the A30, the decision was taken to grade separate the junction.


Route To Notes





Cardinham Downs Junction
Related Pictures
View gallery (2)
A30 Temple - Cardinam Downs Junction.jpgPreeze Cross Junction looking west.jpg
Other nearby junctions
Junctions on the A30
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Exeter -
Land's End
Pearce's Hill • Alphington • Fingle Glen • Woodleigh • Whiddon Down • Tongue End • Meldon • Sourton Cross • Stowford Cross • Liftondown • Tavistock Road Junction • Pennygillam • Trebursye • Kennards House • Two Bridges • Plusha • Fivelanes • Cannaframe • Bolventor • Temple Tor • Temple • Preeze Cross • Cardinham Downs • Callywith • Carminow Cross • Innis Downs • Victoria • Highgate Hill • Fraddon • Summercourt • Mitchell • Carland Cross • Boxheater • Chybucca • Chiverton Cross • Scorrier • Avers • Tolvaddon • Treswithian • Loggans Moor • St Erth Roundabout • Newtown Roundabout • Chy-An-Mor • Branwell Lane • Chyandour • Heamoor • Mount Misery

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