Dictionary

An 'absolute minimum' value is a design paremeter used when there is an existing constraint on a proposed or existing cycle facility. 

An 'access-only' road or street is that has a ban on motor traffic using it, except for access. Typically this signed with Diagram 620 'Except for Access' in conjunction with Diagram 619, 'motor vehicles prohibited'.

The lack of separation from motor traffic limits the appeal of cycling to those who are sufficiently fast and brave.

The Active Mode Appraisal Toolkit (AMAT) is a model produced by the Department for Transport, which uses a spreadsheet to assess the overal benefits and costs of proposed cycling and walking interventions, ranging from capital investments to behaviour

Sometimes called a bike box or a cycle reservoir, Advanced Stop Lines (ASLs) are stop lines for cyclists at traffic signals, which are marked beyond the stop line for general traffic.

A cycle lane bounded by a broken white line, which enables motor traffic to enter the cycle lane when legal to do so.

Automatic Number Plate Recognition – camera system designed to recognise number plates and therefore exclude or fine all unrecognised users (while allowing buses, deliveries and/or residents vehicles etc. through).

Small dividers bolted onto road surface to give degree of protection to cycle lanes from the roadway. Also referred to, confusingly, as ‘zebras’. Approved for use in the UK by the DfT in 2013.

'Aspect' refers to the lights in traffic signals. 

For instance, conventional traffic signals (below) have three aspects; a red aspect, an amber aspect, and a green aspect. 

One of the five main demands used to measure the quality of cycling infrastructure (the others are cohesion, safety