Data quality report

Uno_Hatfield_St Albans_20190518_4

53

Bus lines

78

Critical observations

62

Advisory observations

Contents

Critical observations (78)

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

Stops (2)
Number of observations Observation category
2 Stop(s) are not found in NaPTAN
Timing (33)
Number of observations Observation category
33 Fast timing between timing points
Data set (43)
Number of observations Observation category
43 Missing block number

Advisory observations (62)

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.

Stops (30)
Number of observations Observation category
30 Missing stops
Timing (31)
Number of observations Observation category
3 Fast running time between stops
7 First stop is not a timing point
6 Last stop is not a timing point
15 No timing point for more than 15 minutes
Journey (1)
Number of observations Observation category
1 Expired lines