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Data quality report

National Express West Midlands_Wolverhampton_Coventry_20211003_1

273

Bus lines

99%

AMBER
Data quality

10

Critical observations

10825

Advisory observations

Contents

Critical observations (10)

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
6 First stop is not a timing point
Data set (4)
Number of observations Observation category
4 Missing block number

Advisory observations (10825)

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 (103)
Number of observations Observation category
103 Missing stops
Timing (3194)
Number of observations Observation category
3194 No timing point for more than 15 minutes
Journey (7528)
Number of observations Observation category
2 Duplicate journeys
2 Expired lines
7524 Journey overlap