Data quality report

Ipswich Buses_Ipswich_Colchester_20210829

175

Bus lines

94%

AMBER
Data quality

105

Critical observations

272

Advisory observations

Contents

Critical observations (105)

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

Stops (1)
Number of observations Observation category
1 Stop(s) are not found in NaPTAN
Timing (14)
Number of observations Observation category
14 Fast timing between timing points
Data set (90)
Number of observations Observation category
90 Missing block number

Advisory observations (272)

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 (47)
Number of observations Observation category
47 Missing stops
Timing (138)
Number of observations Observation category
61 First stop is not a timing point
76 Last stop is not a timing point
1 No timing point for more than 15 minutes
Journey (87)
Number of observations Observation category
85 Expired lines
2 Journey overlap