# Annual Traffic Census Survey Data

[← Text catalogue home](/index.md)

[HTML](/datasets/hk-td-sm_5-annual-traffic-census-survey-data/) · [JSON](/datasets/hk-td-sm_5-annual-traffic-census-survey-data.json) · [Markdown](/datasets/hk-td-sm_5-annual-traffic-census-survey-data.md)

- ID: ` hk-td-sm_5-annual-traffic-census-survey-data `
- Publisher: [Transport Department](/publishers/7454e563-7cff-4d0c-a563-1be0a85352d4/) · [Markdown](/publishers/7454e563-7cff-4d0c-a563-1be0a85352d4/index.md)
- Categories: [Transportation](/categories/transport/) · [Markdown](/categories/transport/index.md)
- Tags: Not stated
- Resources: 2
- Updated: 2022-09-28T16:37:55.089058
- Update frequency (publisher metadata): Daily
- Harvest started: 2026-10-20T22:31:00.105Z
- Licence: Not stated
- Source: [Official metadata record](<https://data.gov.hk/en-data/api/3/action/package_show?id=hk-td-sm_5-annual-traffic-census-survey-data>)

Harvest started is the source harvest start associated with this record, not its precise retrieval time. Updated is an upstream metadata claim.

## Description

Hourly traffic volumes by proportions of 10 vehicle classes from traffic detectors installed on selected routes\.

## Resources

These are upstream resource links from metadata. Resource contents and endpoint availability have not been verified here.

### [Locations of Traffic Detectors](<https://static.data.gov.hk/td/traffic-atc-veh-class/info/traffic_prop_vehicle_class_info.csv>)

- Resource ID: ` 4dff8c81-78f7-4600-8f05-09fac381dec4 `
- Format: CSV
- Language: en, zh-Hant, zh-Hans
- Updated: 2022-09-28T16:37:54.280944
- API flag (publisher metadata): N
- Original URL: ` https://static.data.gov.hk/td/traffic-atc-veh-class/info/traffic_prop_vehicle_class_info.csv `

Locations of Traffic Detectors

### [Hourly traffic volumes by proportions of vehicle classes](<https://resource.data.one.gov.hk/td/traffic-detectors/volByVClass-all.xml>)

- Resource ID: ` b800acde-9e60-40ab-8ec3-119086492b57 `
- Format: XML
- Language: en, zh-Hant, zh-Hans
- Updated: 2022-09-28T16:37:55.094496
- API flag (publisher metadata): N
- Original URL: ` https://resource.data.one.gov.hk/td/traffic-detectors/volByVClass-all.xml `

Hourly traffic volumes by proportions of vehicle classes

## Specifications (source links)

### Publisher documentation

- [Data dictionary](<https://static.data.gov.hk/td/traffic-atc-veh-class/dataspec/dataspec-atc-veh-class.pdf>) — source-linked; Dataset: data\_dictionary

Original links supplied in publisher metadata. A source link does not mean that document content is hosted, parsed or verified here; any hosted extraction and its review scope are listed separately below.


Upstream metadata associations only; these links do not validate individual resources or document sections. No extracted document body is hosted here.

## Document availability

Parsed specifications and data dictionaries: not available for this dataset. [Document availability](/documents.md).