Economic, Environmental and Social Impacts of Changes in Maintenance Spend on the Scottish Trunk Road Network

Appendix A Further Details of the Trunk Road Network

Table A.1 shows more detail of the assets on the trunk road network in Scotland.

Table A.1 Assets on the trunk road network in Scotland

Asset Type

Asset Group

Quantity

Carriageways

Motorway

268 km

Dual Carriageway

492 km

Single Carriageway

2,247 km

Hard shoulder

536 km

Lay-by

206 km

Crossover

19,531

Central Island

29.5 km

Central Reserve

1,150 km

Pedestrian & Cycle Facilities

Footway

782 km

Cycle Facility

21 km

Road Markings, Studs and Kerbs

Road Markings (Hatched)

289 km

Road Markings (Longitudinal)

11,086 km

Road Markings (Special)

18,321

Road Studs

7,864 km

Kerbs

3,801 km

Structures

Bridge

1,891

Culvert

721

Retaining Wall >1.5m

899

Sign/Signal Gantry

250

High Mast Light

606

Footbridge

138

Road Lighting

Lighting point

20,622

Road Traffic Signs (lit)

5,771

Bollards (lit)

1,500

Fences, Barriers and Road Restraint Systems (RRS)

Fences and Barriers

1,463 km

Traffic Control Barriers

58 km

Safety Fence (RRS)

1,874 km

Pedestrian Guardrail (RRS)

42 km

Road Traffic Signs & Signals

Road Traffic Signs

52,275

Bollards

49,448

Reference Marker Point

6,731

Road Traffic Signals

1,322

Pedestrian Crossing

463

Landscaping

Tree

11,528

Hedge

116 km

Verge

5,745 km

Grass, Bulbs & Wildflower Areas

Unknown

Drainage

Balancing Pond

26

Counterfort Drain

16 km

Ditch

634 km

Channel

77 km

Filter Drain

1514 km

Grip

22,775

Gully

85,703

Catchpit

3,439

Manhole

38,950

Piped Grip

1,077

Geotechnical

Embankment and Cutting

2,177 km

Technology Equipment

Variable Message Signs

120

Communications Cabinet

4,921

Detector Loop

4,888

Emergency Telephone

601

Ice Sensor

112