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Data quality report

Arriva UK Bus_High Wycombe_Leighton Buzzard_20211219_1

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

578

Bus lines

96%

AMBER
Data quality

223

Critical observations

384

Advisory observations

Contents

Critical observations (223)

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

Timing (18)

Number of observations	Observation category
18	Fast timing between timing points

Data set (205)

Number of observations	Observation category
205	Missing block number

Advisory observations (384)

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.

Stop (75)

Number of observations	Observation category
75	Missing stops

Timing (255)

Number of observations	Observation category
111	Fast running time between stops
2	First stop is not a timing point
7	Last stop is not a timing point
135	No timing point for more than 15 minutes

Journey (54)

Number of observations	Observation category
16	Expired lines
38	Journey overlap