Data quality report

Nottingham City Transport_Clifton_West Bridgford_20220529

• Please find your data quality observations below.
• What are the different type of observations?
• Download data quality report.csv

89

Bus lines

99%

AMBER
Data quality

10

Critical observations

17

Advisory observations

Contents

Critical observations (10)

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

Stops (4)

Number of observations	Observation category
4	Stop(s) are not found in NaPTAN

Timing (6)

Number of observations	Observation category
6	Fast timing between timing points

Advisory observations (17)

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 (8)

Number of observations	Observation category
8	Missing stops

Timing (3)

Number of observations	Observation category
3	No timing point for more than 15 minutes

Journey (6)

Number of observations	Observation category
2	Duplicate journeys
4	Journey overlap