Identifies questions specific to streets, such as street drainage, identifying centerlines, and creating travel networks.

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1
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0answers
9 views

Build Network after changing streets feature class in ModelBuilder?

Previous posts have said a network cannot be created in ModelBuilder. However, I have been able to create a network after going through part of the wizard, but stop short of build network, then go ...
3
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1answer
40 views

How to attribute street name to its adjacent sidewalk

I have two shapefiles one with street centrelines and the othe With sidewalk asset information.The sidewalks were digitized continuously around the block unlike the streets. I tried to do a one to ...
2
votes
1answer
35 views

House numbers on roads layer

I have a problem regarding the street numbers in OpenStreetMap. I have downloaded the .osm file of a city from the open street map web. Then with QGIS I have obtained a shape file with roads and a ...
1
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1answer
36 views

Name of Round road in Center of Amritsar, India?

New Info I just found out this area used to be a wall with 12 gates. Portions of the wall are still there. Still researching name of roads, or portions of the road, such as Bazaar Rd on South-West ...
3
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0answers
44 views

Positional accuracy assessment methods in qgis

I'm doing an quality assessment of openstreetmap's street data. As a comparism dataset I have to use an administrative dataset, which is highly accurate and comes in polygons. Here's a sneak peek: ...
1
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0answers
60 views

Create Right of Way from Street Centerline file

I have a project where I would like to take all of the right of way areas in a county and categorize them based on type/ownership (state right of way vs. county vs. private and maintenance ...
1
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1answer
64 views

Geocoding Street Segments Based on Extents in ArcGIS for Desktop?

I have a list of projects that need to be geocoded or drawn through some sort of automated process in ArcGIS 10.3 for Desktop. The are listed by primary street, a begin street intersection, and an end ...
0
votes
1answer
27 views

Proper method for labeling streets

Suppose we are getting a street map built from GPS records. That map would only have initially street segments (just the way Waze started), with no street names nor numbers (addresses). What would ...
4
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2answers
168 views

Road segments reconstruction from GPS trajectories

We have a 10,000 base of vehicle mounted moving devices which report their GPS position on a time based schedule. All that data is currently being stored in our database for several business related ...
2
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2answers
50 views

Mapping Points to streets

I am new to the GIS-World and just learned a couple of tools. Now I want to start with my actual project, but since i don't have a overall understanding I would have to hear your opinions about the ...
7
votes
1answer
266 views

Cutting linestrings with points?

i was checking the best way to cut linestrings by points. The scenario is: lots of streets, need the segments cut by intersect points, kind of this: I got linestrings (full uncuted by points) ...
1
vote
2answers
259 views

How to show street direction on map?

I am using sharpmap to render my OPEN STREET MAPS (osm) maps. i need to show the direction of one way streets on my map. How can i do that?! After googling i found SharpMap.Rendering.Symbolizer and ...
1
vote
1answer
147 views

How to get all the LineStrings of a street using PostGIS with OSM

I want to get all parts of a given street. I use a query like: Select * from planet_osm_lines where name = 'mystreet' As a result I get all the LineStrings that are part of a street with the ...
1
vote
1answer
527 views

What can I do in Mapbox Studio with the osm_id number for #buildings from Mapbox Streets?

My goal is to use OpenStreetMap buildings data to create map tiles that show buildings styled with information such as name, floors, and other information from the tags associated with the way/feature ...
0
votes
2answers
81 views

How to calculate miles of road in street network

I have a road network we use for our city. It has ever single road created and categorized. What would I do if I wanted to calculate the total miles of roads in this network?
3
votes
2answers
424 views

What are the types of bus routes data, which are made available from Open Street Map (OSM)?

With regards to bus routes, what are the types of data which are made available for download. Is it possible to export a region's bus routes in open street map (OSM) or GIS data format?
3
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0answers
48 views

How do map providers collect/update street names in the Middle East? [closed]

Spatial data in Middle eastern countries, is not as comprehensive as it is in European countries or the United States. How do map providers/producers get street names, update new areas and all of ...
2
votes
0answers
84 views

What determines direction in “Hatches”?

I created a route layer that uses hatches to help determine addresses along a street centerline. About 90% of the time, the hatches go up from zero in the direction that the line was digitized but ...
2
votes
2answers
206 views

Split polygon based on line segment

I am trying to split a street polygon based on the segment ID of the street, giving them the same segment_ID in the attribute table of the street lines. I did not use the line feature class to derive ...
1
vote
1answer
256 views

Where to find street names for each city in US?

I'm sorry if my question is stupid but I had to ask. I'm building a database of US states, cities, streets AND their basic relations to each other. I already have state and city tables. Where can I ...
0
votes
1answer
64 views

Adjusting for road surface in Network Analyst? [closed]

I'm building a street network dataset and want to adjust the speed limit of certain segments to account for road surface (paved vs. unpaved). Are there any guidelines/rules for doing this (e.g. an ...
5
votes
2answers
103 views

Compare slopes between adjoining line segments

Using a DEM, I assigned slope values to individual segments in a street network feature class. In some areas the slope values seem suspect, such as where a highway overpasses a local road. Is there a ...
2
votes
2answers
225 views

How to simplify streets such that seperate driving tracks are reduced?

Streets in Openstreetmap have more detail than I need. For instance I do not need seperate street tracks for each driving direction, instead I just want to show the general path of the street. ...
2
votes
0answers
50 views

How to specify a polygon face toward to different lines

I have a parcel layer, a street of city layer, I want to find the parcels at the corner of two different street (mean a house with two face toward to 2 streets) I appreciate your suggestion for ...
0
votes
1answer
285 views

GPS and One-way Streets

I'd like to know how GPS can determine if a street is one-way. Does it detect one-way signs or parked car positions if any?
2
votes
1answer
51 views

Intersection Type Data

Would anyone have any input as to where I could find a table/shapefile/feature class that describes the intersection type of roads? I've looked into TIGER roads, StreetMap premium, OpenStreetMap ...
5
votes
2answers
1k views

How to group connected linestrings in PostGIS?

I have a table of streets I've selected based on a set of attributes (let's say it's speed_limit < 25). There are groups of streets that are locally contiguous; I'd like to group these sets of ...
1
vote
1answer
129 views

Can I create a polyline with one long segment and three shorter underlying segments?

We currently have a street centerline polyline feature class where the street segments correspond to our pavement management database. Each segment has a unique ID that matches a record tracking ...
14
votes
3answers
541 views

Account for bridge overpasses in a ground DEM to allow for water flow under the overpass

I have a bare earth DEM made from lidar data (A). It works well and has passed all accuracy tests. It is used in storm surge models. The problem we are having is on underpasses. I need to allow water ...
2
votes
2answers
2k views

Calculate Slope of Street Segments

Using a DEM, I need to assign slope to individual segments in a street centerline feature class. It will be used to account for increased travel time for steep slopes in a network analysis. I am ...
0
votes
1answer
86 views

Cleaning up Line Features

I'm in the process of creating some routes for which I need left and right sections. I have an original streets feature class, which I used "copy parallels" on, and came up with something like the ...
1
vote
1answer
133 views

Creating a list of unique street names from a list of address

I would like to generate a unique list of street names from a list of UK addresses. But obviously there will be a number of streets with the same name. Which is fine, but I want to distinguish ...
5
votes
1answer
277 views

How to transform a set of street-segments into city-blocks, with PostGIS2?

Theoretically is possible to obtain the polygons of city blocks (urban blocks) from streets, when streets are represented by street axis (LineStrings). The urban blocks are bounded by streets, so ...
3
votes
2answers
3k views

OSM - Extract Streets from OSM Data (With/Without Python)

I'm currently in the works of creating a pythonic way of extracting street names from an OSM dump for the Province of Quebec. Originally, I wanted to do this in Python to make it easier to integrate ...
2
votes
2answers
103 views

How to find if a lat/lon point is on a street?

Are there any services to determine whether or not a give lat/lon point is on a street? I am working on an app that uses user entered lat/lon points but it only really makes sense if its on a street. ...
2
votes
0answers
39 views

How do I get a count of all the dead end streets? [duplicate]

I'm working in ArcGis 10.1 - Advanced and I wanted to know how can I identify and get a count of the number of dead end streets in my road network?
3
votes
2answers
224 views

How to map Traffic Count Points to Streets?

I've got point data representing traffic count locations and I am trying to figure out the best way to represent them on a map.I thought about kriging to provide a continuous surface but I don't think ...
7
votes
2answers
1k views

Easiest way to create historical street maps using QGIS

I want to make some historical street maps using QGIS. I understand how to upload a historical OS map from DigiMaps to QGIS, but I want to actually 'draw' the streets myself in order to have some ...
2
votes
1answer
202 views

Merging and snapping Tiger line files

I have several adjacent (county level) TIGER road files. I want to merge them and create one contiguous file of snapped roads for the purpose of doing network analysis. Merging them is easy but ...
4
votes
6answers
1k views

Assigning centerline address ranges

I've been given the task of assigning address ranges to a centerline feature class. I have all the data and I am just going street by street. My question: When assigning ranges, should I just enter ...
3
votes
0answers
699 views

Report Designer (ArcGIS 10.1) - Using Element Properties

I've finally got a table generated that will work for a street index and I'm attempting to use the ‘Create Report’ tool with ArcGIS 10.1 to generate what I need for a map. Essentially, I have it setup ...
3
votes
2answers
572 views

is there a public street database that I can do SQL queries on?

Sorry if this isn't strictly a GIS question. I want to know if there's a public database of US streets and US States that I can simply connect to (e.g. JDBC) and run SQL queries. For example, I want ...
19
votes
7answers
11k views

Methodology for creating accurate drainage networks (and catchments) from high resolution LiDAR DEM?

This is not the first time I've stumbled over this issue; it seems that I am unable to generate a correct drainage network model and the resulting catchments from full resolution (1m cells) LiDAR ...