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Data quality report

Uno_Hatfield_St Albans_20210102_3

74

Bus lines

95%

AMBER
Data quality

39

Critical observations

73

Advisory observations

Contents

Critical observations (39)

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

Timing (6)
Number of observations Observation category
2 Fast timing between timing points
1 First stop is not a timing point
3 Last stop is not a timing point
Data set (33)
Number of observations Observation category
33 Missing block number

Advisory observations (73)

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 (35)
Number of observations Observation category
34 Missing stops
1 Stop(s) are not found in NaPTAN
Timing (36)
Number of observations Observation category
5 Fast running time between stops
31 No timing point for more than 15 minutes
Journey (2)
Number of observations Observation category
2 Expired lines