Traffic is building on the A14 near Ipswich (file photo) (Image: Google Streetview)
Traffic built up on the A14 on the outskirts of Ipswich after a broken down horse box blocked one lane of the road.
The AA traffic map suggested delays on the eastbound carriageway at Sproughton, leading to the Copdock Interchange.
Vehicles were reportedly travelling at an average speed of 10mph and motorists faced an average wait of 20 minutes.
A spokesman for Suffolk police confirmed officers had been called to assist with the recovery of the horse box.
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