Questions tagged [united-states]

Use this tag for Questions which are specific to the country of the United States of America (USA), Do not use for United States Virgin Islands (VIR)

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2answers
532 views

How can I download data from NYC open data into GIS?

I have a data from NYC open data website and I need to download them to GIS so it will be easier to analyze https://data.cityofnewyork.us/Public-Safety/NYPD-Motor-Vehicle-Collisions/h9gi-nx95 How can ...
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2answers
802 views

Where do I get data for density per city in the USA or Europe?

Basically I need the data this infographic uses, the density per city or better yet per km square. USA or EU is indifferent, need it for a project.
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2answers
3k views

Where to download 10m (1/3 arc-second) DEMs?

I'm looking for some of the 10m DEM to fill in the white Quad areas. Do you know where of can I find them? These 10 DEMs we have are actually coming from the NRCS Geospatial Dataway. I believe they ...
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2answers
148 views

Where can I find GIS dataset (.shp, .gdb, etc) on Washington DC lead pipes?

I keep seeing articles about DC recently publishing a map of pipes in the city. I can only find the interactive version but need it in a .shp, .gdb or some format that can be used in Arc (.txt or .csv ...
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0answers
416 views

Seeking street/road shapefile with TF_TIME and FT_TIME attribute?

Doing a snow removal project within a county figuring out the fastest route for them to traverse on the roads to remove the snow from the sidewalk I was able to find the roads/street shapefile for ...
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0answers
328 views

Seeking Road Data (for NE U.S.) to use in ArcGIS Network Analyst?

My current network dataset is utilizing North America Detailed Streets Layer Package, however, I would like to try out some other road networks to compare the the results. Would need the road data for ...
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6answers
493 views

Source for high-res subscription imagery service

I'm developing a diagramming tool using aerial imagery as a reference layer. This tool should allow the user to zoom in quite close to a roadway or intersection. Unfortunately none of the public map ...
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2answers
439 views

Converting PLUTO coordinate reference system in QGIS?

I am using New York's PLUTO lot data in QGIS for a project. Right now, the shp file automatically imports with a custom CRS, allowing it to visually line up with a separate layer of subway entrances ...
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0answers
53 views

Making population estimates over large areas for emergency? [closed]

I'm a meteorologist in Florida trying to encourage people to evacuate barrier island areas of south Florida earlier rather than later because of the very real potential of a landfall from a strong ...
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0answers
322 views

Street block and Census Block

Study Area: Manhattan I'm measuring the street density using Street Network Grain size measure = Number of Street blocks per square mile. I have the NY street network but I do not have the map of ...
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0answers
46 views

Geospatial One-Stop no longer accessible?

I was wondering what happened to the "Geospatial One-Stop" site? The link: http://www.geodata.gov is no longer accessible. Is the portal superseded by another government website, or is it ...
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1answer
475 views

Ready made Contours from SRTM data?

I need to create a map with SRTM data but use contours instead of the grid data. I can use ESRI software to create contours but they aren't the nicest looking, mostly in flat areas. Does a good ...
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0answers
64 views

Are there any ground truth data available for San Francisco?

I'm working on the algorithm in this paper and I've modified it a bit. Now in order to quantify the accuracy of my algorithm with this algorithm, I need ground truth data of SanFrancisco. Which has ...
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0answers
841 views

Using PLSS or BLM Boundaries in Oklahoma?

In Oklahoma should i be using the PLSS or BLM Boundaries I am struggling with: Which Surveying system to use in ArcGIS. The PLSS (Public Land Survey System) or the BLM (Bureau of Land Management) ...
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0answers
36 views

Unknown Texas Coordinate system [duplicate]

Working with point data from Texas and am unfamiliar with what coordinate system it's using. Unfortunately, I am on a work computer which doesn't allow me to do much without admin privileges, so ...
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0answers
152 views

which projection for preserving distances in USA (all 50 states)? [duplicate]

I have a shapefile of different administrative regions that are in all 50 states in the USA. I also have many lat/long coordinates, and I'm using NNJoin in QGIS to find the distance from each point to ...
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1answer
385 views

US boundaries from 1780 map

Where can I find a shapefile of the US boundaries from the 1780s, including the original thirteen state boundaries?
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2answers
77 views

National Map downloading wrong coordinates?

Edit 2 I figured out the problem. The download is a whole panel in the ballpark of 50 miles x 50 miles. The bounding box I requested was about 3x3 miles. My BB is a subset of the whole dataset that ...
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3answers
415 views

How to get 2010 city demographic data by census block group

I am doing machine learning research on US cities (New York City, Los Angeles, San Francisco, Chicago, Seattle). I try to predict some demographic data based on features in each census block group. ...
3
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1answer
64 views

Appropriate projection for US distances?

I am generating distances between crash sites (points) and urban areas (shapes) and am wondering what the best projection is to use for this task. The area of interest is limited to the U.S. (Alaska ...
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1answer
2k views

Choosing map projections specifically for San Francisco Bay Area?

I am asking because I am not familiar with specific map projections for the San Francisco Bay Area.
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1answer
814 views

Identifying coordinate system of San Francisco data?

I just found a dataset of trees in San Francisco, but I'm unable to determine the system used for the coordinates. Here are some samples: 5998894.045593,2119007.035323 6018697.2048701001,2097076....
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2answers
69 views

USA census historical demographic data

I am currently working on a project where I am responsible for calculating the mean temperature and precipitation data across the USA. My calculations are made for metro census data and county ...
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1answer
98 views

How to find boundary data for cities in Utah

I'm working on a brand new project where I need boundary data for various cities in Utah. Salt Lake City was easy since their data is available for public download. The other cities? Not so much. ...
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3answers
269 views

Looking for local data sets for 6th graders?

I am a newcomer to GIS, and am looking for local data sets to use with my students. I would like to locate data on our state, county, and city levels (for city, things like parcels, subdivisions, etc....
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0answers
162 views

GIS data for Grocery store sales in the US

I am looking for sources that would provide sales data for grocery stores in the US. I have looked at ESRI's Business Data that they receive from InfoGroup, but was wondering if anyone know of any ...
2
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1answer
327 views

Using What3Words addresses for 911 addressing in US?

In the US 911 districts spend a lot of money creating rural addresses for their emergency dispatch systems. Over the past few years I've worked with several districts implementing tools that assign ...
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1answer
77 views

Any public dataset of U.S Highways and on and off ramps?

I am working on a student project in data engineering and need a database with U.S. Highways and their on and off ramps. I took a look at OpenStreetMap and couldn't figure out if the information I was ...
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0answers
72 views

Getting business listing data for mapping for New York? [duplicate]

How should I go about efficiently compiling the data to map the locations of all the businesses within a given city or town? Are there any free online resources that offer searching businesses by ...
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2answers
1k views

Where do I find city/town point locations in US census data?

I'm generating RF propagation maps with Splat!. It can plot cities (as points) on its coverage map. It comes with a tool to import ASCII Arc/Info Ungenerate files. These used to be available from the ...
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0answers
288 views

USA Road Network Data Set Options?

I need a contiguous, nationwide USA Road Network with speed limits, distances, etc. I have been using TIGER but the challenge is at state boundaries - where contiguous road segments are split. Is ...
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2answers
171 views

Identify this state outline file

Some time back, I came across a site that was offering sets of US state outlines that were intended to be attractive/artistic rather than geographically accurate. I only have this copy of the outline ...
2
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1answer
526 views

Converting NAD 83 State Plane Maryland Feet Coordinates from lat/long and vice versa using QGIS?

I need to convert a list of lat/lon points (in.csv file) into NAD 83 State Plane Maryland Feet and vice versa. I know it can be done using ArcGIS, but I only have QGIS. I am also quite new to QGIS....
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1answer
237 views

IL School District Shapefile

In order to help our client manipulate a map to show disparities in public school course offerings in Illinois at the school district level, we’re looking for a current year vector shapefile of the ...
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2answers
95 views

Seeking Atlanta's limits shapefile?

I need a shapefile of the limits of the city of Atlanta, USA.
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1answer
280 views

How is distance measured in TIGER/Line data for roads?

So I'm working with some TIGER data for network analysis, and it comes with no speed or time attributes, so I was able to assign average speeds to the various road types, and I was going to use field ...
3
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1answer
1k views

Choosing Projection for Gulf coast region of USA?

What are the most appropriate datum and projection I could use for the Gulf coast region - spanning Louisiana, Mississippi, Alabama, and Florida? I have to analyze block group data along the coast.
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0answers
144 views

Where can I find GIS files that shows the 11 nations of the USA?

This book describes the cultural boundaries that define America. At least one person has created what seems to be a GIS style map from this. Does anyone know where I can locate these files?
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1answer
53 views

Combining data in two projections?

The PAMAP dataset comes divided between two different projections: Pennsylvania North State Plane and Pennsylvania South State Plane. I'd like a great big DEM of the whole state of Pennsylvania. ...
2
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3answers
398 views

Identifying coordinate system?

I'm wanting to create a data layer using some open crime data from Salt Lake City, but I can't figure out the coordinate system they are using. See the link below to view the data. (You'll have to ...
0
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1answer
108 views

How to find data about all individual residential properties in a neighborhood and map them out parcel by parcel?

I am trying to make a map about residential properties in 3 neighborhoods in Oakland, California. I already have the shapefile for all the parcels and blocks, but I need to find data that indicate ...
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0answers
77 views

Are there any addresses that straddle two or more congressional districts?

I'm using a shapefile of TIGER data provided by the Census Bureau for locating an individual's congressional district. In PostGIS I'm running an ST_Intersects query in order to take a (lat, long) ...
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0answers
145 views

Using TIGER/Line shape files, how do I get address coordinates?

I've downloaded addressfeature shapefiles from TIGER/Line on the Census Bureau website. I converted one file to CSV using ogr2ogr. I get the following sample output: WKT,TLID,TFIDL,TFIDR,ARIDL,ARIDR,...
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3answers
11k views

Databases of bars, pubs and restaurants in United States and Canada?

I am mostly seeking Bars and Pubs but Restaurants are a very nice bonus. I need a database with zipcode, city, state, longitude, latitude, establishment name, establishment contact information, maybe ...
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1answer
80 views

Where can I find Hawaii public transit data?

I am looking for public transportation routes and stops for Hawaii public transit. So far I have found a shapefile for TheBus routes and stops for the island of Oahu from the state of Hawaii Office ...
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3answers
1k views

Where can I find a shapefile of zoning for the city of Phoenix and other municipalities?

Where can I find a shapefile of zoning for the city of Phoenix and other municipalities? I would rather not have to geo-reference a picture and digitize over it, there must be some data already out ...
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1answer
132 views

Seeking low-resolution DEM of California?

I'm trying to create a 3D model of California (which I'll manipulate in Blender) at a fairly low resolution — just enough for large features (like Mt. Tamalpais, Coronado, etc.) to be legible. ...
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0answers
76 views

Zip Code + 4 data file or shapefile [duplicate]

Is there a 9 digit Zip Code (Example- 75001-6664, Zip + 4) data set that I can download? Please advise.
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1answer
359 views

NHD Flowline legend colors?

Does Anyone have legend colors for the NHD Flowline that USGS sets colors for theirs ? I'd like to get a copy of their color legend. They can be from their website, brouchure, lyr files or ...
2
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0answers
28 views

Import polygon shapefile with SPCC Sections [closed]

I have a data set with records containing Township, Range and Section information but no X,Y coordinates. I would like to bring in the data to ArcGIS with each section as a polygon or a x,y point in ...

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