Data quality report

Go-Ahead_Colchester_Norwich_20180701_1

287

Bus lines

89%

RED
Data quality

407

Critical observations

439

Advisory observations

Contents

Critical observations (407)

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

Stops (3)
Number of observations Observation category
3 Stop(s) are not found in NaPTAN
Timing (146)
Number of observations Observation category
146 Fast timing between timing points
Data set (258)
Number of observations Observation category
258 Missing block number

Advisory observations (439)

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 (233)
Number of observations Observation category
233 Missing stops
Timing (197)
Number of observations Observation category
146 Fast running time between stops
19 First stop is not a timing point
15 Last stop is not a timing point
17 No timing point for more than 15 minutes
Journey (9)
Number of observations Observation category
1 Expired lines
8 Journey overlap