Questions tagged [streets]

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

-1
votes
1answer
57 views

Using QGIS 3.2 to add slope and/or % grade to county-wide street layer?

Using QGIS 3.2 what is the best way to add slope and/or % grade to a county-wide street layer using the following data: Streets (polylines) = 35k records (10mb) Contours (polylines) = 500k records (...
5
votes
7answers
2k 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 ...
1
vote
1answer
84 views

Google Streets XML as raster layer

I found Why are the Google basemaps no longer appearing in QGIS? which explains a simple method to reach the google tile server and get the Google Physical tiles. Has anyone a similar code with which ...
2
votes
5answers
8k views

Calculating Slope of Street Segments using ArcGIS Desktop?

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 ...
3
votes
1answer
193 views

How do I remove roads classified as residential from an OSM slippy map?

I'm developing an application in which I need to have an underlying graph representation of streets. Google Maps does not provide this data, which is why I decided to use OpenStreetMap. I have ...
0
votes
0answers
42 views

Searching a street based on a connected street in Nominatim

We installed Nominatim and used it for searching POIs in a local server. I've explored the address format in Nominatim which is in the following order: road neighborhood suburb city boundary county ...
1
vote
0answers
35 views

Coding streets in ArcGIS? [closed]

Can you provide me a little know-how of how you could code your streets as shown in the figure. Initial class is assigned as A,B,C... and when certain street(say A) branches, it is coded , as A1, A2 ...
1
vote
0answers
43 views

Automatically selecting street segments from address list? [closed]

I browsed around this site and a couples of other QGIS sites, and couldn't find solutions to my problems. However, I'm quite new to QGIS, so my question is possibly pretty naive. I need to create ...
1
vote
0answers
59 views

Can I retrieve google map data for traffic and whose the users?

Can I retrieve Google map data for traffic on a specific street? Does the the data include attributes about the users who are creating the traffic (users age in the traffic, gender, etc.)?
10
votes
2answers
2k 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) ...
3
votes
1answer
337 views

Network Analysis PyQgis 3.0

I've been trying to build a graph from a projected (EPSG 27700) clean (no pseudo-nodes) street network. I followed the tutorial here presented employing the QGIS 3.0 functions; now the network ...
3
votes
1answer
238 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 ...
1
vote
0answers
12 views

Standard Format for Underpass Clearance? [closed]

Do highway departments typically provide underpass clearance data as part of data sets provided to google maps, et. al.? If so, can anybody point me at the definition of the data elements, file ...
5
votes
1answer
212 views

Detect whether polygons are on one side or both sides of the road center line?

I have two tables in my PostgreSQL 9.5 database i.e., roads and polygons. The sample scenarios are as: Scenario_1: Scenario_2 In PostGIS, for each road how can I detect whether polygons are one ...
1
vote
1answer
39 views

US Census roads - names of overlapping street segments

I'm working with recent Census (TIGER) road files in ArcGIS 10.5 / ArcPy (Advanced license). I want to get the road name(s) of the closest road segment (between intersections) to a point. Roads in ...
0
votes
1answer
128 views

how to identify cross streets for points that are not at intersections? [closed]

I have points that fall in the middle of city streets (so not at an intersection). I would like to automate (ideally, with python) a way to identify the cross streets that these points are between. ...
2
votes
1answer
262 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 OpenStreetMap web. Then with QGIS I have obtained a shapefile with roads and a ...
1
vote
1answer
300 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. I want to distinguish between streets that are ...
0
votes
1answer
150 views

Determining orientation angle of each street on dataset in ArcGIS Desktop?

I am trying to join centerline attributes to a blockface shapefile using the "near" tool. The problem is that on many streets, the tool gets confused because of intersections and varying width. My ...
1
vote
0answers
90 views

ArcGIS Intersect not showing on all street intersections

I have a centerline shapefile and have extracted a lane way feature class from it as I am attempting to show all intersections where these lane ways cross with public roads. I utilized the intersect ...
0
votes
2answers
154 views

Where to find attribute description

I've received a Arcgis layer containing streets, represented by polylines. When I identify a specific street, a large attribute table pops up: OBJECTID Shape LINK_ID ST_NAME FEAT_ID ST_LANGCD ...
0
votes
1answer
86 views

Longer street segments in osm2po

I'm using osm2po to break up OSM map into routable segments, and pretty much always I want the streets to go from one intersection to another (or till some alley). However, if underlying OSM map has ...
3
votes
0answers
847 views

Using Element Properties with ArcGIS Report Designer? [closed]

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 ...
1
vote
1answer
812 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 ...
1
vote
1answer
621 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 ...
1
vote
2answers
1k views

How can I get all streets width of Paris

I'm trying to query OpenStreetMap via QGIS (for example) to get a list of all streets in Paris and their width. example : Boulevard Sebastopol : 30m Rue Tiquetonne : 11m etc Is there such data in ...
2
votes
1answer
393 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
0answers
130 views

Resources for creating a matrix of relationships between street segments

We are looking at examining traffic in a city using data coded to TMCs (which are long directional links, primarily major arterials and highways, where each link is the length of multiple blocks). In ...
3
votes
0answers
185 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: So ...
12
votes
2answers
3k views

Grouping 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 ...
0
votes
1answer
391 views

ArcGIS - How to find street map labels for separate layer

I'm super new to GIS mapping. I just installed the trial of ArcGIS and I've just barely begun poking around in ArcGIS Online trying to figure out what I'm capable of. I'd like to have a street map (at ...
1
vote
3answers
509 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
0answers
78 views

Is it possible to build a route profile for a street with “real” heights considering tunnels and bridges?

Is it possible to build a exact route profile for a street with "real" heights considering tunnels and bridges in an easy way with free data? Of course it is possible to remove thy waypoint located on ...
1
vote
1answer
132 views

Overlaying two vector shapefiles on a basemap results in a misalignment

I have been trying to overlay two shapefiles of the Harare Zimbabwe streetmap one with centerlines and the other digitized as polygons. the challenge i am facing is that the two overlay but not on the ...
1
vote
0answers
20 views

Build Network after changing streets feature class in ModelBuilder? [closed]

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 ...
2
votes
1answer
161 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 ...
3
votes
0answers
54 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 ...
1
vote
1answer
148 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 ...
28
votes
7answers
18k 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 data....
1
vote
0answers
660 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 ...
-2
votes
1answer
41 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
votes
2answers
921 views

Road segments reconstruction from GPS trajectories [duplicate]

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
votes
2answers
79 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 ...
1
vote
2answers
748 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
638 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
2answers
919 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
1k 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?
18
votes
3answers
2k 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 ...
1
vote
1answer
1k 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
101 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 ...