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

Glossary

AADF

Annual Average Daily Flow

APTR

All Purpose Trunk Road

CMH

Ceramic Metal Halide

COSLA

Convention of Scottish Local Authorities

dB(A)

A-weighted Decibel (measure of noise)

DCP

Dynamic Cone Penetrometer

DBFO

Design Build Finance Operate

DfT

Department for Transport

ESALF

Equivalent Single Axle Load Factor

HA

Highways Agency

HAPMS

Highways Agency Pavement Management System

HDM

Highway Design and Maintenance Standards Model

HGV

Heavy Goods Vehicle

HPS

High Pressure Sodium

HRA

Hot Rolled Asphalt

IRI

International Roughness Index

ISOHDM

International Study on Highway Development and Management

ITS

Information Technology Services

LGV

Light Goods Vehicle

LPV

Longitudinal Profile Variance (mm2) (reported at 3m, 10m or 30m wavelengths)

OC

Operating Company - there are 4 on the Scottish trunk road network.

OGV

Other Goods Vehicle

PAG

Performance Audit Group

PSV

Public Service Vehicle

QUADRO

Queues and Delays at Roadworks

RAMP

Road Asset Management Plan

RCI

Road Condition Index

RPI

Retail Price Index

RTIM

Road Transport Investment Model

SCANNER

Surface Condition Assessment for the National Network of Roads

SCOTS

Society of Chief Officers of Transportation in Scotland

SCRIM

Sideway-force Coefficient Routine Investigation Machine

SFC

Sideway-Force Coefficient

SMTD

Sensor Measured Texture Depth

SOLACE

Society of Local Authority Chief Executives

STAG

Scottish Transport Appraisal Guidance

SWEEP

Software for the Whole-life Economic Evaluation of Pavements

VOC

Vehicle Operating Cost