Improved NZ Road Centrelines (August 2011)

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Creative Commons Attribution 3.0 New Zealand

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29 Aug 2011

Extensively updated, improved and value-added road center lines originally based on LINZ data. NZ Open GPS Maps nzopengps.org/ is an open source project so contributions and feedback are welcome at gwprojects.org/forum.

The maps are constantly being updated. If you want the very latest data you can follow the instructions on this page to make your own shape files: gwprojects.org/forum/viewtopic.php?f=3&t=348

A lot of the additional attributes to do with routing come through from the original data source in Polish Format (.mp). GPSMapEdit is the definitive program used to edit this format: www.geopainting.com/en/

Speed limit

  • 0 = 5km/h
  • 1 = 20km/h
  • 2 = 40km/h
  • 3 = 60km/h
  • 4 = 80km/h
  • 5 = 100km/h
  • 6 = 110km/h
  • 7 = no limit

Route Class

  • 0 = Residential
  • 1 = Collector
  • 2 = Arterial
  • 3 = Principal HW
  • 4 = Major HW

The speed limit attribute does not refer to legal speed limits. It may be interpreted as an attempt at capturing the ‘actual’ speed a car would travel on a given road, but actually relates to the routing systems used by in-car GPS units so that trip-routing is optimised. For example, a road with speed bumps may be classified as having a speed attribute of 1 (20km/h) so that it is distinct from adjacent roads of category 2 or 3 (40km/h and 60km/h, respectively), even if these are not the legal speed limits for these sections of the road network.

Note that for the majority of residential streets in major cities, roads are classified as 2 (40km/h). If an accurate representation of speed is your intention (rather than solving computationally-simplified routing problems), interpreting 2 as being 50km/h can give a more realistic picture of the road network. An important exception to this is Wellington/Hutt Valley, where most roads are given the attribute 3 (60km/hr) where they are mostly 50km/h legally.

There are some legacy issues with the speed attribute, with many roads being populated with attributes en masse some time ago, and have not been updated since. There is also the possibility of inconsistencies in the assignment of speed limit attributes between regions for the same type of roads.

The roadclass attribute is similar to the speed limit attribute, but is intended for limited-performance GPS units that would not be able to determine the most appropriate route if considering the more realistic speed attributes. It might solve a routing problem with a marginally shorter route (avoiding, say, a highway) as the nominal speed would be the same, although intersections and other characteristics of the route would actually make it less favourable. A GPS unit using roadclass to solve a routing problem will attempt to find a ‘backbone’ of high-order routeclass, and only use lower-priority roads to get to and from this backbone. In a GIS, routeclass may be appropriate to use in order to solve a large number of network problems more quickly than using the speed attribute. Given that this attribute has fewer categories than the speed limit attribute, it also makes for excellent visualisation of the road network that could be used in map outputs even if the underlying attributes are neglected in favour of speed.

Layer ID 183
Data type Vector linestring
Feature count 125558
Services Vector Query API

NZ Roads (centrelines)

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Creative Commons Attribution 3.0 New Zealand

You may use this work for commercial purposes.

You must attribute the creator in your own works.

1
7978
5255
Updated
17 Oct 2011

LINZ Data Service
Up to date data from Land Information New Zealand is available for free from the LINZ Data Service. Visit the LINZ Data Service for the latest version of this layer: data.linz.govt.nz/layer/329


Road centreline layer from the LINZ 1:50,000 NZTopo database.

Definition: Any formed all weather route suitable for the passage of any vehicle.

IMPORTANT NOTE: Contains data sourced from Land Information New Zealand. Crown Copyright reserved. Land Information New Zealand gives no warranty in relation to the data, including its accuracy, reliability and suitability and accepts no liability whatsoever in relation to any loss, damage or other costs relating to the use of any data, any compilations, derivative works or modifications of the data.

Layer ID 40
Data type Vector linestring
Feature count 113761
Services Vector Query API

Wellington City Council Kerbs

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Creative Commons Attribution 3.0 New Zealand

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You must attribute the creator in your own works.

3007
5911
Updated
09 May 2012

Lines representing kerb lines, edge of seal and traffic islands over urban Wellington including Makara Beach and Makara Village. Captured in 1996 and updated in 1998, 1999, 2002, 2006, 2009, 2011 and 2012 in conjunction with aerial photography refly projects.

Layer ID 1478
Data type Vector multilinestring
Feature count 17806
ElevationZ coordinates
Services Vector Query API, data.govt.nz Atom Feed

The FDOT GIS Toll Roads feature class provides spatial information on Florida Toll Roads, including Florida's Turnpike, Alligator Alley, Beeline Expressway, etc.

Source: www.dot.state.fl.us/planning/statistics/gis/road.s...

This product has been compiled from the most accurate source data from the Florida Department of Transportation's Transportation Statistics Office. However, this product is for reference purposes only and is not to be construed as a legal document or survey instrument. Any reliance on the information contained herein is at the user's own risk. The Florida Department of Transportation assumes no responsibility for any use of the information contained herein or any loss resulting therefrom.

Layer ID 835
Data type Vector linestring
Feature count 81
Services Vector Query API

NZ State Highway Centrelines

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Creative Commons Attribution 3.0 New Zealand

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You must attribute the creator in your own works.

2264
2344
Updated
20 Jun 2012

The centrelines of New Zealand's state highway system.

Warning: the Z for this layer has been set by the data publisher to the length of each line segment. Viewing this layer in Google Earth is not recommended.

Layer ID 1331
Data type Vector linestring
Feature count 1223
ElevationZ coordinates
Services Vector Query API, data.govt.nz Atom Feed

NZ Traffic Lights

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Creative Commons Attribution 3.0 New Zealand

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You must attribute the creator in your own works.

3
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462
Added
05 Aug 2009

NZ TRAFFIC LIGHTS POINTS OF INTERESTS

1,101 traffic lights from all around NZ, but mostly around larger cities and towns.

For more information on the background of project please have a look here: background of traffic lights project.

'rc' aka 'rcmaps' from NZ Open GPS Project started the ball rolling collecting traffic lights and soon after members of the project contributed data from all over NZ.

Collection method and quality

These points do not represent actual location of traffic lights but are very close, I chose to place these right in the middle of intersections for mapping purposes hence they could be several meters out as in reality most traffic lights are placed physically at the side of roads etc.

Data should be accurate during period of collection around September 2008 to Dec 2008. As interest in this project tapered off around Dec 08, no further updates or additions have been made to this data since then.

Use at your own risk.

Attribution

Please attribute Roy Chan and members of NZ Open GPS Project.

Layer ID 1164
Data type Vector point
Feature count 1101
Services Vector Query API

Canadian Road Network (2008)

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Creative Commons Attribution 3.0

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You must attribute the creator in your own works.

1064
134
Added
30 Apr 2009

The Road Network and Geographic Attribute File is a digital representation of Canada's national road network, containing information such as street name, type, direction, address range and road rank. Address ranges are largely dwelling-based and occur mainly in urban centres of Canada. Also included on each side of every road arc are identification names and codes for the following levels of geography:

• province/territory

• census subdivision

• census metropolitan area

• census agglomeration

• census tract

Roads are ranked according to four levels of detail, suitable for mapping at small to medium scales. The Road Network and Geographic Attribute File provides cartographic reference features in the production of thematic maps using the 2006 Census Boundary Files. The positional accuracy of the Road Network and Geographic Attribute File does not support cadastral, surveying, digitizing or engineering applications.

Layer ID 752
Data type Vector linestring
Feature count 1868450
Services Vector Query API

North American Atlas - Roads (1:10 million)

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Creative Commons Attribution 3.0

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You must attribute the creator in your own works.

799
103
Updated
17 Oct 2011

A joint venture involving the National Atlas programs in Canada (Natural Resources Canada), Mexico (Instituto Nacional de Estadística Geografía e Informática), and the United States (U.S. Geological Survey), as well as the North American Commission for Environmental Co-operation, has led the release (June 2004) of several new products: an updated paper map of America, and its associated geospatial data sets and their metadata. These data sets are available online from each of the partner countries both for download. This data has been revised and re-released in 2006.

The North American Atlas data are standardized geospatial data sets at 1:10,000,000 scale. A variety of basic data layers (e.g. roads, railroads, populated places, political boundaries, hydrography, bathymetry, sea ice and glaciers) have been integrated so that their relative positions are correct. This collection of data sets forms a base with which other North American thematic data may be integrated. Any data outside of Canada, Mexico, and the United States of America included in the North American Atlas data sets is strictly to complete the context of the data.

The North American Atlas - Roads data set shows the roads of North America at 1:10,000,000 scale. The roads included in this data set are either those that connect major centres of population or selected frontier roads. Roads under construction are not shown.

There are three road classes: Major roads, which are divided, multi-lane, limited access highways; Secondary roads, which are all roads that do not meet the definition of major roads; and Ferries, which are major ferry links which run either year round or through periods when ice conditions permit.

This data set was produced using digital files supplied by Natural Resources Canada, Instituto Nacional de Estadística Geografía e Informática, and the U.S. Geological Survey.

Purpose

The North American Atlas data are intended for geographic display and analysis at the national and continental level. These data should be displayed and analyzed at scales appropriate for 1:10,000,000-scale data. No responsibility is assumed by Natural Resources Canada, Instituto Nacional de Estadística Geografía e Informática, or the U.S. Geological Survey in the use of these data.

Layer ID 744
Data type Vector linestring
Feature count 3933
Services Vector Query API

NZ State Highway On-ramps & Off-ramps

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Creative Commons Attribution 3.0 New Zealand

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You must attribute the creator in your own works.

706
172
Updated
20 Jun 2012

On-ramps and off-ramps for New Zealand's state highway network.

Layer ID 1332
Data type Vector linestring
Feature count 449
ElevationZ coordinates
Services Vector Query API, data.govt.nz Atom Feed

Florida Road Surface Width (May 2009)

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Creative Commons Attribution 3.0

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You must attribute the creator in your own works.

789
26
Added
30 May 2009

he FDOT GIS Surface Width feature class provides the width of the roadway in feet for each segment in the database. This characteristic is defined in the Roadway Characteristics Inventory (RCI) Field Handbook as "Through pavement surface width", and denotes the total road width of all through lanes in a single direction, measured in feet.

Source: www.dot.state.fl.us/planning/statistics/gis

Disclaimer: This product has been compiled from the most accurate source data from the Florida Department of Transportation's Transportation Statistics Office. However, this product is for reference purposes only and is not to be construed as a legal document or survey instrument. Any reliance on the information contained herein is at the user's own risk. The Florida Department of Transportation assumes no responsibility for any use of the information contained herein or any loss resulting therefrom.

Layer ID 860
Data type Vector multilinestring
Feature count 42666
Services Vector Query API
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