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Data quality report

Arriva UK Bus_Maidstone_Dartford_20231231

452

Bus lines

91%

AMBER
Data quality

329

Critical observations

318

Advisory observations

Contents

Critical observations (329)

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

Data set (329)
Number of observations Observation category
329 Missing block number

Advisory observations (318)

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 (49)
Number of observations Observation category
49 Missing stops
Timing (206)
Number of observations Observation category
206 No timing point for more than 15 minutes
Journey (63)
Number of observations Observation category
55 Expired lines
8 Journey overlap