Metro Rail Line History - Traffic and Transport Map - Helsinki Metropolitan Area - Version History
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This table contains the version history of rows from the 'avoindataseutukartta_liikenne_metro_rata__seutukartta_liikenne_metro_rataline' table. It includes information about the start and end dates of each row, as well as additional columns such as 'metrorata', 'mtryhm', 'geom_geojson', 'geom_geotext', 'geom_type', 'geom_centroid', 'geom_center_x', 'geom_center_y', 'geom', and 'tietopalve'. The data in this table, which is sourced from the website of 'Helsinki City Planning Department', can be utilized in various data analytics scenarios. For example, it can be used to analyze changes in the metro rail network over time, study the characteristics of different metro lines, examine the spatial distribution of metro route geometry, and perform geospatial analysis by utilizing the centroid and center point coordinates. Please note that this data originates from Finland (ISO country code 'fi').
Field Descriptions
| Name |
Data type |
Description |
| _start_date | date | The start date of the validity period of the row version. |
|---|
| _end_date | date | The end date of the validity period of the row version. |
|---|
| _row_number | long | A unique identifier assigned to each row version. |
|---|
| metrorata | string | Unknown description |
|---|
| mtryhm | int | Unknown description |
|---|
| geom_geojson | string | Unknown description |
|---|
| geom_geotext | string | Unknown description |
|---|
| geom_type | string | Unknown description |
|---|
| geom_centroid | string | Unknown description |
|---|
| geom_center_x | double | Unknown description |
|---|
| geom_center_y | double | Unknown description |
|---|
| geom | binary | Unknown description |
|---|
| tietopalve | int | Unknown description |
|---|
