Data quality report

Ipswich Buses_Ipswich_Colchester_20220219

160

Bus lines

93%

AMBER
Data quality

103

Critical observations

226

Advisory observations

Contents

Critical observations (103)

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 (88)
Number of observations Observation category
88 Missing block number

Advisory observations (226)

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 (19)
Number of observations Observation category
19 Missing stops
Timing (133)
Number of observations Observation category
55 First stop is not a timing point
76 Last stop is not a timing point
2 No timing point for more than 15 minutes
Journey (74)
Number of observations Observation category
72 Expired lines
2 Journey overlap