Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [traffic]

In this context implies movement of cars, planes, ships, and trains etc, not packets of data across the web

0
votes
0answers
16 views

Finding best route from one point to another in ArcGIS Desktop?

I'm trying to find the best possible route from one point on the map to another. My current map has the road information (in line type) and the two coordinates of the starting position and the ...
0
votes
0answers
18 views

Access Google traffic in Earth Engine

I wonder if there is a way for me to access the google traffic in my Earth Engine code so it shows up on my map? I've only seen pure javascript which I don't know how to implement in Earth engine.
1
vote
0answers
30 views

How do I calculate trips between selected traffic cells in QGIS?

I have a polygon layer representing traffic cells (from VISUM) and I have a matrix in Excel format which contains the calculated amount of trips between each cell in the polygon layer. Now I want to ...
0
votes
0answers
56 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.)?
2
votes
1answer
72 views

Seeking free data to calculate drive time based on traffic / congestion? [closed]

I'm looking to calculate drive time contours based on traffic data. I have road network data (with distances and speed limits), but the client wants to take real live traffic/congestion data into ...
3
votes
0answers
72 views

Avoiding border effect in traffic modeling?

I'm creating a traffic model (using the Four-Step Travel Demand procedure). I have a road network (grey lines and grey node) and traffic injector/attractor (orange lines and orange nodes) as it can ...
1
vote
1answer
139 views

Get sum of a field for each element of overlapping paths

I've used the very useful Openroute service to develop a number of routes which I have populated with traffic numbers (on each route). I want each section of road to present the total of a field (...
1
vote
0answers
92 views

What is the style of mapping used by Google Traffic?

I'm doing a piece of work that involves mapping traffic flow, and will be displaying it in a way that Google Traffic does. I know how to make the maps using QGIS, but is there a specific name for this ...
2
votes
2answers
130 views

Isochrones: v.iso.net

I have a line layer with multiple traffic lines: bus, train and tram. Those lines overlaps frecuently. Every line has its own speed limit and therefore time/cost. My goal is to do a time/cost map (...
5
votes
1answer
4k views

Network analysis using QGIS?

I'm working on my bachelor thesis right now and I want to find a catchment area for different bus stops. Is there a function in QGIS where I could use a point layer as input, use ways as distances and ...
1
vote
1answer
515 views

How can I find out if there's a traffic light in the route given an array of lat, long (GPS positions)?

I've the minutely (60 seconds) GPS trail of a vehicle travelling in USA. I want to find out if in the particular 60 second GPS trail there's a traffic LIGHTS/SIGNS or not. Can I get this information ...
1
vote
0answers
256 views

How to set zoom on the basis of the road in Google maps API?

I worked out a similarity Project a Google traffic, I would implement the same Google traffic visualization about the Data Traffic What a depending on the zoom level displays them or hides them. For ...
4
votes
1answer
105 views

How to calculate information from overlapping cars paths on map

I have multiple geometry points that identify a car path in a time interval. Some cars can make a path that overlap another car path. I want to calculate the car speed to have different color ...
1
vote
0answers
60 views

Converting road number and mile post into coordinates? [closed]

I have a bunch of mile post and road number data and would like to turn it into lat/long coordinates very easily.
3
votes
1answer
2k views

Downloading google maps traffic in shp format?

Is it possible to get (download) the info of roads traffic (google maps.com) of an area (in shp format)? If yes, how?
2
votes
1answer
121 views

Expand Street Network passing through points using QGIS?

I have a road network (red) passing through some traffic data points (green): I want to expand this network to include all of the points. I already have a bigger street network (blue) from which I ...
-2
votes
3answers
2k views

Traffic Simulation in QGIS

I have several line layers in QGIS 2.8.3. I want to simulate traffic flow in this. Is there a plugin or any possibilty to run a traffic simulation on it.
-3
votes
1answer
139 views

Need Traffic Accident Data [closed]

I am graduate student studying in GIS. My project is related with traffic accidents, but I cannot find the traffic accident data online. The scale could be a city or a state in US since I just ...
0
votes
0answers
98 views

Using linear referencing for real time traffic in ArcGIS Network Analyst?

I'm using real time customized traffic for Network Analysis in ArcGIS 10.2.2. The traffic display as segment based. In other words, when i want to show free flow for a road i have to assign one or ...
1
vote
2answers
212 views

Methods to determine if traffic accidents happen more frequently along sections of a highway with poor pavement?

I have a shapefile with highway pavement conditions and a point file with accidents. If I wanted to see if traffic accidents happen more frequently along sections of a highway with poor pavement ...
2
votes
0answers
420 views

How to format and use historical traffic data and to create a traffic enabled network? [closed]

I have speed factors for road segments collected at time intervals of one hour daily for a whole week. But I dont know how to format the data so that I can relate it with my digitised road segments in ...
1
vote
0answers
356 views

Road traffic database sample?

I would like to do some experiments on a traffic forecasting neural network and I need some real traffic data to run the network. My question is where can I download some real traffic statistics data ...
2
votes
0answers
226 views

What can I use to calculate drive times /with/ traffic considered?

I am looking to obtain drive times for a large list of addresses and want the results to take traffic conditions into consideration. For example, drive times from a distribution centre to a store at ...
2
votes
0answers
298 views

How does ArcGIS calculate Live Traffic in a network dataset?

I create a network analyst service in ArcGIS 10.2 with live traffic. The traffic is classified into four classes (stop and go, slow, moderate and free flow). I know that when the service uses ...
4
votes
1answer
289 views

Using Traffic with Network Analyst VRP

To the best of my understanding, setting a specific day under Analysis Settings for the VRP (vehicle routing problem) uses the Routing_ND historic traffic information. Is there some step I'm missing ...
2
votes
0answers
726 views

Using real time data (traffic) for network analyst in ArcGIS for Server? [closed]

I have a problem with using traffic data for routing. I'll describe the scenario: There is a local traffic service (real time) that has the speed of each segment in the network. This information is ...
1
vote
1answer
1k views

Downloadable historical traffic data?

I'm looking for historical traffic data on a decently large city. Specifically I need data points that can be used to infer the distribution of vehicle speeds across each road, but I don't want the ...
0
votes
1answer
540 views

Is it possible to get the positions of all the stoplights for a given area?

I would like to know if there is a database of longitude and latitude values that locate all stoplights for a given area in the US like a city or a state? How would one go about obtaining this info? ...
1
vote
1answer
858 views

How can I calculate the average speed in various legs of a bus route?

I'm working on analyzing NYC MTA Bus traffic data. There are numerous buses traveling along the route, emitting gps data at random locations. I have about 30k records with bus_line, vehicle_id, ...
0
votes
1answer
246 views

Identify the direction of traveling road segment

I'm using pgRouting to find the least congested path using time as the cost metric. I am using average speed between two nodes to calculate time taken to travel in a segment. In pgRouting there is a ...
4
votes
0answers
246 views

Is Dynamic Traffic Format supported by QGIS?

I have to merge (Dynamic Traffic FORMAT) DTF file into QGIS. This data is only available from NAVTEQ or TOM TOM. When I have searched ArcGIS network analysis tool, there is a clear option for adding a ...
4
votes
1answer
2k views

How to make the thickness of traffic volume flow symbology proportional to traffic counts?

I can scale the bandwidth proportionally to the traffic volumes; however, I cannot show the directionality of the movements. Volumes for directional moves are stored in two different columns of a ...
9
votes
2answers
267 views

How to detect traffic incidents in set of GPS traces?

I have a large database of gps traces (long, lat, timestamp) and would like to see if I can detect when congestion occurs on roads from that data. Any ideas or pointers on good algorithms to use? ...