Officers were called to the crash in Little Glemham on Wednesday (Image: Google Maps/Newsquest)
The A12 is partially blocked after a two-vehicle crash.
Officers were called to the collision on the northbound carriageway in Little Glemham, between Saxmundham and Woodbridge, at about 1.40pm on Wednesday.
A spokesperson for Suffolk police said the road is partially blocked.
One driver is believed to have suffered injuries, although they are not thought to be significant.
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