DMRB Stage 1 Assessment Outcome

The improvement strategies were assessed to broadly determine their potential impacts from engineering, environmental, traffic and economic perspectives. The improvement strategies were then compared to determine their relative performance against each other. Those that did not perform as well have not been taken forward.

The outcome of the DMRB Stage 1 assessment is summarised below:

Improvement Strategy 1

Project Objectives – Good

Environment – Poor

Engineering – Poor

Economics – Poor

Improvement Strategy 2

Project Objectives – Good

Environment - Fair

Engineering – Fair

Economics – Fair

Improvement Strategy 3

Project Objectives – Poor

Environment - Fair

Engineering – Poor

Economics – Poor

Improvement Strategy 4

Project Objectives – Good

Environment – Good

Engineering – Good

Economics – Fair

Improvement Strategy 5

Project Objectives – Good

Environment - Fair

Engineering – Fair

Economics – Good

Improvement Strategy 6

Project Objectives – Good

Environment – Poor

Engineering – Poor

Economics – Fair

Following this robust assessment against the wide range of criteria, we recommended that Improvement Strategies 2, 4 and 5 be taken forward to DMRB Stage 2.

For more information read the full DMRB Stage 1 Assessment Report .