Section 1 : Timetabling; The Basics

Clock-face Timetables

Timetables are very easy to understand when departures are, for example, every 30 minutes from the Town Centre.  Even without looking at the timetable it’s very easy to work out when buses are due throughout the day as departures are evenly split at 00 and 30 minutes past the hour.   This type of headway is known as clock-face.

Clearly the presentation of the timetable is made simple if a headway is clock-face, i.e. it can be divided into 60 which results in trip times occurring at even intervals and at the same times past each hour.  Clock-face headways are

  • 1, 2, 3, 4, 5, 6, 7½ (8/7), 10, 12, 15, 20, 30 and 60 minutes.

The following is an example of a 7½ (8/7) minute headway:

Town Centre07000708071507230730073807450753080008080815
Middlecroft   07130721072807360743075107580806081308210828
Farcroft07260734074107490756080408110819082608340841
            
Farcroft07300738074507530800080808150823083008380845
Middlecroft07430751075808060813082108280836084308510858
Town Centre 07560804081108190826083408410849085609040911
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