ENV 12694:1997

Table of Contents
1. Scope
2. Definitions
3. Requirements
    3.1 Location and Display Characteristics and
         Content
         3.1.1 Headsigns
         3.1.2 Sidesigns
         3.1.3 Rearsigns
    3.2 Characters
         3.2.1 Generalities
         3.2.2 Colours
         3.2.3 Classes of characters
         3.2.4 Recommendations
    3.3 Dimensions
    3.4 Electric Connections
    3.5 Sign Illumination and Mounting

This standard refers to variable external signs (mechanical signs without electronic control excluded), when installed in public transport vehicles such as: buses, trams, trolley-buses (undergrounds and railway vehicles are excluded), and specifies location, dimensions, display characteristics, contents of information and wiring. At the present time there exists a set of technologies for such signs (ex: dot matrix, flaps, films, LCD, etc.)