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Scheme Comparison Table
00002
A1 Adderstone to Belford dualling
Scheme Comparison Table
| BLUE OPTION | GREEN OPTION | RED OPTION | |
|---|---|---|---|
| Full Scheme Cost | £13.7 million | £14.2 million | £14.3 million |
| Scheme Length | 4.7km | 4,75km | 4.7km |
| Personal Injury Accident Saving (based on 60yr evaluation period) | 99 | 97 | 98 |
| Benefit to Cost Ratio (based on 60yr evaluation period) | 2.30 | 2.20 | 2.14 |
| Traffic Noise and Vibration | Slight benefit for 5 properties in terms of noise. No significant change predicted for vibrations. | Overall neutral effect on properties for both noise and vibration. | Improvement for one property in terms of noise but worst potential impact from vibration. |
| Air Quality | No significant change predicted. | No significant change predicted. | No significant change predicted. |
| Landscape effects (character) | Option results in least impact overall on existing landscape features and landform. | This option has the largest impact on existing vegetation. | Closely follows existing alignment but would result in loss of buildings at NewMousen and potentially the greatest loss of important hedgerow. |
| Landscape effects (visual) | Lower vertical alignment would reduce its prominence in the landscape. | Greatest potential impact on views due to the higher alignment of the road making it more visible in the landscape. | Least change to current situation as new road would most closely follow existing alignment. |
| Ecology and Nature Conservation | Least impact on ecological features overall. All significant stands of maturetrees and species rich hedgerows would be avoided. | Loss of species rich mature hedgerow and mature trees. Potential substantialadverse ecological impact. | Severance and loss of mature species rich hedgerow and mature trees. Leastdamaging impact on the burns requiring only minor extensions to the culverts. |
| Cultural Heritage | Five cultural heritage sites adversely affected (three slight adverse and twomoderate adverse). | Five cultural heritage sites affected (three slight adverse, 2 moderate adverse). | Seven cultural heritage sites adversely affected (two substantial adverse,two moderate adverse and three substantial adverse) |
| Pedestrians | Dualling will widen crossings for three public footpath routes. The newcrossings will be undertaken safely in two stages. Greatest potential for improving pedestrian links using redundant A1. | Dualling will widen crossings for three public footpath routes. The new crossings will be undertaken safely in two stages. | Dualling will widen crossings for three public footpath routes. The new crossings will be undertaken safely in two stages. |
| Water Quality | Construction of 2 new culverts over water courses. | Construction of 3 new culverts over water courses. | Construction of 3 new culverts over water courses. |
| Land Use: Agriculture | Estimated land take 8.09ha, four farms severed. | Estimated land take 10.04ha, five farms severed. | Estimated land take 7.35ha, four farms severed. |
| Land use: Private property | No direct impact predicted at present. | Loss of agricultural buildings. | Greatest potential impact on property at New Mousen resulting in demolition. |
| Vehicle Travellers: Driver stress | Potentially reduced. | Potentially reduced. | Potentially reduced. |
| Vehicle Travellers: Driver views | Not significantly altered. | Not significantly altered. | Not significantly altered. |
