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Data quality report

Go-Ahead_Colchester_Clacton_20180701_46

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

272

Bus lines

89%

RED
Data quality

280

Critical observations

345

Advisory observations

Contents

Critical observations (280)

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

Stop (9)

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

Timing (16)

Number of observations	Observation category
16	Fast timing between timing points

Data set (255)

Number of observations	Observation category
255	Missing block number

Advisory observations (345)

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 (249)

Number of observations	Observation category
249	Missing stops

Timing (77)

Number of observations	Observation category
3	Fast running time between stops
23	First stop is not a timing point
37	Last stop is not a timing point
14	No timing point for more than 15 minutes

Journey (19)

Number of observations	Observation category
13	Expired lines
6	Journey overlap