This is a new service – your feedback will help us to improve it.

Data quality report

Arriva UK Bus_Maidstone_Dartford_20210606_1

436

Bus lines

97%

AMBER
Data quality

92

Critical observations

302

Advisory observations

Contents

Critical observations (92)

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

Timing (1)
Number of observations Observation category
1 Fast timing between timing points
Data set (91)
Number of observations Observation category
91 Missing block number

Advisory observations (302)

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 observation should be investigated and addressed.

Stops (98)
Number of observations Observation category
98 Missing stops
Timing (127)
Number of observations Observation category
1 Fast running time between stops
42 Last stop is not a timing point
84 No timing point for more than 15 minutes
Journey (77)
Number of observations Observation category
10 Duplicate journeys
61 Expired lines
6 Journey overlap