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Data quality report

Go-Ahead_Penzance_Helston_20240102_8

153

Bus lines

96%

AMBER
Data quality

63

Critical observations

595

Advisory observations

Contents

Critical observations (63)

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

Timing (14)
Number of observations Observation category
6 Fast timing between timing points
5 First stop is not a timing point
3 Last stop is not a timing point
Data set (49)
Number of observations Observation category
49 Missing block number

Advisory observations (595)

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 (226)
Number of observations Observation category
226 Missing stops
Timing (62)
Number of observations Observation category
12 Fast running time between stops
47 No timing point for more than 15 minutes
1 Slow running time between stops
2 Slow timing between timing points
Journey (307)
Number of observations Observation category
178 Duplicate journeys
83 Expired lines
46 Journey overlap