Data quality report

Uno_Hatfield_St Albans_20210102_17

41

Bus lines

89%

RED
Data quality

39

Critical observations

64

Advisory observations

Contents

Critical observations (39)

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

Stops (1)
Number of observations Observation category
1 Stop(s) are not found in NaPTAN
Data set (38)
Number of observations Observation category
38 Missing block number

Advisory observations (64)

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 (27)
Number of observations Observation category
27 Missing stops
Timing (32)
Number of observations Observation category
9 Fast running time between stops
4 First stop is not a timing point
7 Last stop is not a timing point
10 No timing point for more than 15 minutes
1 Slow running time between stops
1 Slow timing between timing points
Journey (5)
Number of observations Observation category
3 Expired lines
2 Journey overlap