EPSG:11463

Dart+26-TM

Attributes

Data source: EPSG

Information source: Severn Partnership on behalf of Irish Rail / Atkins Realis.

Revision date: 2026-05-19

Scope: Engineering survey and topographic mapping for railway applications.

Remarks: In conjunction with transformation ETRS89-IRE [ETRF2000] to Dart+26-IRF (1) (code 11461), emulates theDart+26 Snake projection.

Method: Transverse Mercator

Area of use: Ireland - on or related to the DART+ rail project from Dublin city centre to Drogheda, Greystones, Hazelhatch and Kilcock.

Description: (0,)

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Ireland - on or related to the DART+ rail project from Dublin city centre to Drogheda, Greystones, Hazelhatch and Kilcock.

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Definition: OGC Well Known Text

PROJECTION["Transverse_Mercator"],
PARAMETER["latitude_of_origin",53.45],
PARAMETER["central_meridian",-6.35],
PARAMETER["scale_factor",1],
PARAMETER["false_easting",243865.8029],
PARAMETER["false_northing",222073.5699]

Definition: OGC Well Known Text 2 (2019)

CONVERSION["Dart+26-TM",
    METHOD["Transverse Mercator",
        ID["EPSG",9807]],
    PARAMETER["Latitude of natural origin",53.45,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8801]],
    PARAMETER["Longitude of natural origin",-6.35,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8802]],
    PARAMETER["Scale factor at natural origin",1,
        SCALEUNIT["unity",1],
        ID["EPSG",8805]],
    PARAMETER["False easting",243865.8029,
        LENGTHUNIT["metre",1],
        ID["EPSG",8806]],
    PARAMETER["False northing",222073.5699,
        LENGTHUNIT["metre",1],
        ID["EPSG",8807]],
    ID["EPSG",11463]]

Definition: ESRI Well Known Text

PROJECTION["Transverse_Mercator"],
PARAMETER["False_Easting",243865.8029],
PARAMETER["False_Northing",222073.5699],
PARAMETER["Central_Meridian",-6.35],
PARAMETER["Scale_Factor",1.0],
PARAMETER["Latitude_Of_Origin",53.45]

Definition: PROJ.4

+proj=tmerc +lat_0=53.45 +lon_0=-6.35 +k=1 +x_0=243865.8029 +y_0=222073.5699

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:11463","+proj=tmerc +lat_0=53.45 +lon_0=-6.35 +k=1 +x_0=243865.8029 +y_0=222073.5699");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Conversion",
    "name": "Dart+26-TM",
    "method": {
        "name": "Transverse Mercator",
        "id": {
            "authority": "EPSG",
            "code": 9807
        }
    },
    "parameters": [
        {
            "name": "Latitude of natural origin",
            "value": 53.45,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8801
            }
        },
        {
            "name": "Longitude of natural origin",
            "value": -6.35,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8802
            }
        },
        {
            "name": "Scale factor at natural origin",
            "value": 1,
            "unit": "unity",
            "id": {
                "authority": "EPSG",
                "code": 8805
            }
        },
        {
            "name": "False easting",
            "value": 243865.8029,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8806
            }
        },
        {
            "name": "False northing",
            "value": 222073.5699,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8807
            }
        }
    ],
    "id": {
        "authority": "EPSG",
        "code": 11463
    }
}

Definition: GeoServer

11463=PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",53.45],PARAMETER["central_meridian",-6.35],PARAMETER["scale_factor",1],PARAMETER["false_easting",243865.8029],PARAMETER["false_northing",222073.5699]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=53.45"
	"lon_0=-6.35"
	"k=1"
	"x_0=243865.8029"
	"y_0=222073.5699"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=53.45 +lon_0=-6.35 +k=1 +x_0=243865.8029 +y_0=222073.5699">
	<Layer srs="+proj=tmerc +lat_0=53.45 +lon_0=-6.35 +k=1 +x_0=243865.8029 +y_0=222073.5699">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 11463, 'EPSG', 11463, '+proj=tmerc +lat_0=53.45 +lon_0=-6.35 +k=1 +x_0=243865.8029 +y_0=222073.5699', 'PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",53.45],PARAMETER["central_meridian",-6.35],PARAMETER["scale_factor",1],PARAMETER["false_easting",243865.8029],PARAMETER["false_northing",222073.5699]');