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Data quality report

Arriva UK Bus_Maidstone_Dartford_20240107_86

• Please find your data quality observations below.
• What are the different type of observations?
• Download data quality report.csv

257

Bus lines

92%

AMBER
Data quality

167

Critical observations

288

Advisory observations

Contents

Critical observations (167)

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

Data set (167)

Number of observations	Observation category
167	Missing block number

Advisory observations (288)

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 (47)

Number of observations	Observation category
47	Missing stops

Timing (212)

Number of observations	Observation category
212	No timing point for more than 15 minutes

Journey (29)

Number of observations	Observation category
25	Expired lines
4	Journey overlap