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Home » Road Projects » Area 6 » A12 M25 Ipswich (A120/A12 - Harwich) » Publications » A12 and a120 route management strategy » A12 and a120 route management strategy
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A12 and a120 route management strategy

9.3.9 Strategy Element

A12 and A120 Route Management Strategy

9.3.9 Strategy Element
Action: Improve and Signalise A12/A14 Copdock Interchange
Priority: High Ref: 5
Initiation: Copdock Interchange is subject tosignificant congestion and accidents. It is the main connectionbetween the A12, the A14 and the main access route into Ipswichfrom the south.
Action description: A scheme will be developed to reduceaccidents and congestion. It will include widening the slip roadsand roundabout to provide dedicated left turn lanes, two circulationlanes and full signalisation of the roundabout. Widening of the A12southern approach and improvements to the A14 eastbound on-slip toaid merging traffic.
Objective(s) met: Gains will be made on both safetyand economy objectives, ie OS1, 2, 3, 4, OC1, 2, 3, and 4.
Benefits: Principal gains will be made in accidentand congestion reduction, though improvements to bus throughput and airpollution may give other more minor benefits for integration and theenvironment.
Timescale: The design and implementation of the proposalswill take some time due to the statutory processes required, although it isanticipated that they will be in place by the end of programmed year 4.