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Data quality report

Go-Ahead_Colchester_Clacton_20180701_54

257

Bus lines

89%

RED
Data quality

303

Critical observations

250

Advisory observations

Contents

Critical observations (303)

These observations are considered critical in terms of data quality. An operator should aim to have zero critical observations in their data.

Timing (67)
Number of observations Observation category
12 Fast timing between timing points
21 First stop is not a timing point
34 Last stop is not a timing point
Data set (236)
Number of observations Observation category
236 Missing block number

Advisory observations (250)

These observations suggest there may be an error in the data. However, for some types of services these may be intended by the operator. Advisory observations should be investigated and addressed. If the observation is a result of intended behaviour, an operator can suppress the observation.

Stop (221)
Number of observations Observation category
214 Missing stops
7 Stop(s) are not found in NaPTAN
Timing (16)
Number of observations Observation category
1 Fast running time between stops
15 No timing point for more than 15 minutes
Journey (13)
Number of observations Observation category
11 Expired lines
2 Journey overlap