Railway transport - Dangerous goods carried| Contact |
|---|
| Contact organisation | National Statistical Institute |
|---|
| Contact organisation unit | "Short-term Business Statistics and Transport Statistics" Department |
|---|
| Contact name | Marin Toshev |
|---|
| Contact person function | State expert |
|---|
| Contact mail address | 2, P.Volov Str. Sofia 1038, Bulgaria |
|---|
| Contact email address | [email protected] |
|---|
| Contact phone number | + 359 9857 190 |
|---|
| Contact fax number | |
|---|
| Metadata update |
|---|
| Metadata last certified | 04 September 2023 |
|---|
| Metadata last posted | 04 September 2023 |
|---|
| Metadata last update | 04 September 2023 |
|---|
| Statistical presentation |
|---|
| Data description | Data refers to transported goods in tons and transport performance in tkm for different types dangerous goods by the railway transport between two places (place of loading and place of unloading). |
|---|
| Classification system | Annex K, Regulation (EC) 91/2003 - Classification of dangerous goods. |
|---|
| Sector coverage | Covers all types of dangerous goods covered in International Classification of dangerous goods - ADR. |
|---|
| Statistical concepts and definitions | Dangerous goods ? explosives, flammable, toxic and other dangerous goods. |
|---|
| Statistical unit | National undertakings licensed for performing goods carriages by railway transport. |
|---|
| Statistical population | Railway undertakings licensed for carriages of goods with transport performance over 500 million tkm per year. |
|---|
| Reference area | Transported dangerous goods at national territory or/and between two countries - country of loading and country of unloading. |
|---|
| Time coverage | Since 2005 |
|---|
| Base period | Not applicable. |
|---|
| Unit of measure |
|---|
Tones, tonne-kilometres |
| Reference period |
|---|
Year |
| Institutional mandate |
|---|
| Legal acts and other agreements | Regulation (EC) No 91/2003 of the European Parliament and of the Council of 16 December 2002 on rail transport statistics. |
|---|
| Data sharing | Not applicable. |
|---|
| Confidentiality |
|---|
| Confidentiality - policy | Individual data are not disseminated |
|---|
| Confidentiality - data treatment | Aggregated data are published. |
|---|
| Release policy |
|---|
| Release calendar | Data are published according to the deadlines set in the National statistical program and the Release Calendar presenting the results of the statistical surveys carried out by the National Statistical Institute. |
|---|
| Release calendar access | The calendar is available on the NSI website: http://www.nsi.bg/en/node/480 |
|---|
| User access | Data are published on the internet site of NSI and can be accessed from all users of statistical information. |
|---|
| Frequency of dissemination |
|---|
Annually |
| Accessibility and clarity |
|---|
| News release | Not applicable. |
|---|
| Publications | Not applicable. |
|---|
| On-line database | Data on dangerous goods carried are available to all users of the NSI website under the heading Domain statistics - Transport and Communications - Other annual data -Transport - Railway transport: http://www.nsi.bg/en/node/7193 |
|---|
| Micro-data access | Not applicable. |
|---|
| Other | Not applicable. |
|---|
| Documentation on methodology | Reference Manual on Railway Transport Statistics issued by Eurostat. |
|---|
| Quality documentation | Not applicable. |
|---|
| Quality management |
|---|
| Quality assurance | According to Law on Statistics the respondents should provide accurate information. |
|---|
| Quality assessment | Logical control of the received data. |
|---|
| Relevance |
|---|
| User needs | Different organizations and specialized in the sector enterprises. |
|---|
| User satisfaction | Not applicable. |
|---|
| Completeness | According to requirements of Regulation 91/2003/EO. |
|---|
| Accuracy and reliability |
|---|
| Overall accuracy | Not applicable. |
|---|
| Sampling error | Not applicable. |
|---|
| Non-sampling error | Not applicable. |
|---|
| Timeliness and punctuality |
|---|
| Timeliness | According to the set deadlines. |
|---|
| Punctuality | Data are sent to Eurostat 5 month after the reference period. |
|---|
| Coherence and comparability |
|---|
| Comparability - geographical | Not applicable. |
|---|
| Comparability - over time | Not applicable. |
|---|
| Coherence - cross domain | Not applicable. |
|---|
| Coherence - internal | Not applicable. |
|---|
| Cost and burden |
|---|
Cost and Burden for the survey are defined according the National Statistical Program for each reference year. |
| Data revision |
|---|
| Data revision - policy | Data control and validation. |
|---|
| Data revision - practice | It is allowed by changes in the methodology or mistakes. |
|---|
| Statistical processing |
|---|
| Source data | The information is from survey of enterprises with main activity according to NACE BG 2008 - Class 49.20 Freight rail transport. |
|---|
| Frequency of data collection | Annual |
|---|
| Data collection | The survey is exhaustive. |
|---|
| Data validation | By necessity validation checks of transmitted data series are made. |
|---|
| Data compilation | Aggregated individual data from the railway undertakings. |
|---|
| Adjustment | Not applicable. |
|---|
| Comment |
|---|
