Data quality report

First Bus_Chelmsford_Great Baddow_20220918_1

142

Bus lines

99%

AMBER
Data quality

49

Critical observations

127

Advisory observations

Contents

Critical observations (49)

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

Stops (9)
Number of observations Observation category
9 Stop(s) are not found in NaPTAN
Timing (40)
Number of observations Observation category
40 Fast timing between timing points

Advisory observations (127)

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 (24)
Number of observations Observation category
24 Missing stops
Timing (43)
Number of observations Observation category
43 No timing point for more than 15 minutes
Journey (60)
Number of observations Observation category
60 Journey overlap