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Data quality report

Arriva UK Bus_High Wycombe_Leighton Buzzard_20230108_25

309

Bus lines

91%

AMBER
Data quality

250

Critical observations

269

Advisory observations

Contents

Critical observations (250)

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

Timing (30)
Number of observations Observation category
10 Fast timing between timing points
20 Last stop is not a timing point
Data set (220)
Number of observations Observation category
220 Missing block number

Advisory observations (269)

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 (78)
Number of observations Observation category
76 Missing stops
2 Stop(s) are not found in NaPTAN
Timing (119)
Number of observations Observation category
119 No timing point for more than 15 minutes
Journey (72)
Number of observations Observation category
70 Expired lines
2 Journey overlap