Data quality report

Arriva UK Bus_Maidstone_Dartford_20240107_5

234

Bus lines

221

Critical observations

177

Advisory observations

Contents

Critical observations (221)

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

Data set (221)
Number of observations Observation category
221 Missing block number

Advisory observations (177)

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 (48)
Number of observations Observation category
48 Missing stops
Timing (123)
Number of observations Observation category
123 No timing point for more than 15 minutes
Journey (6)
Number of observations Observation category
2 Expired lines
4 Journey overlap