|From:||Barna Road, Knocknacarragh (M261239)|
|To:||Father Griffin Road, Claddagh (M292246)|
|Via:||Kingston Road, Taylor's Hill Road|
|Length:||3.5 km (2.2 miles)|
|Meets:||R336, R338, R864|
The R337 is a regional road in the western suburbs of the city of Galway. Running from Knocknacarragh to Claddagh, it is effectively a 3.5-km loop off the R336's slightly longer coastal route through Salthill.
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