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Data quality report

Go-Ahead_Penzance_Truro_20170903

511

Bus lines

90%

RED
Data quality

524

Critical observations

395

Advisory observations

Contents

Critical observations (524)

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

Stop (1)
Number of observations Observation category
1 Incorrect stop type
Timing (98)
Number of observations Observation category
4 Fast timing between timing points
25 First stop is not a timing point
69 Last stop is not a timing point
Data set (425)
Number of observations Observation category
425 Missing block number

Advisory observations (395)

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 (338)
Number of observations Observation category
337 Missing stops
1 Stop(s) are not found in NaPTAN
Timing (35)
Number of observations Observation category
34 No timing point for more than 15 minutes
1 Slow timing between timing points
Journey (22)
Number of observations Observation category
22 Expired lines