Transportation is the movement of anything from one location to another.

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14 views

Looking for real examples of using GIS in logistics and transport systems (maritime, auto, rail) [on hold]

As mentioned in title I'm looking for real examples of using GIS in logistics and transport systems. To be specific I'm trying to find any articles or books with detailed explanation of achieved goal ...
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2answers
34 views

Isochrones for public transport [closed]

Is there a way to compute isochrones for public transport while using the plug-ins available in QGIS? Or is there another way for making them? Note: I am not a software engineer which means that some ...
2
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1answer
32 views

Manually digitizing roads vs. collapsing dual lines for centrelines

I am in the midst of doing a complete overhaul of our (abysmal) centrelines, and I was wondering how everyone creates their centrelines. We have a large rural area, and some of the roads meander all ...
25
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11answers
7k views

Alternatives to pgRouting

I was wondering if there are any alternatives to pgRouting tools. Thinking about it for a bit, I think the only alternative is to use R or RPY to do the analysis. Basically I'm trying to solve ...
2
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1answer
47 views

How to handle service roads off of highways?

I am setting up a road network for a our rural municipality in Canada, and I am wondering how to handle the service roads that run parallel to our highways. The buildings along these service roads ...
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6answers
8k views

Looking for a World Airport Database

I'm looking for a database that contains all (most, many...as many as it can) world airports. I know of one such set available - http://www.world-airport-database.com/database.php - but the terms ...
2
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1answer
149 views

Isolating a street segment and assigning it a code

How should I go about making a map of alternate side of the street parking rules (in nyc?)? Does such a one already exist (I can't seem to find one)? If anyone is familiar with the transportation ...
1
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1answer
117 views

Switching Costs in a Multi-Modal Network Database in ArcGIS

I am constructing a multi-modal transportation network using Network Analysis on ArcGIS. I have data on roads, railway, and rivers for the U.S. My goal is to calculate an Origin-Destination matrix of ...
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1answer
48 views

Public transport drive times in Europe/ Germany possible with Deutsche Bahn?

Background: There are many data sources for calculating drive times for driving, walking or cycling, for example Google Maps DistanceMatrix, ESRIS WebServices (no bicycle at the moment) etc. They all ...
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1answer
19 views

Standardized format for contributing street closure data to navigation apps

I am wanting to put together an application that will digest georeferenced road closure data. I am wondering if any such format currently exists for notifying google maps or other navigation ...
32
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8answers
5k views

Representation of network flows

This is a sample transportation network flow I've done a year ago based on 26 zones. For a project I'm working on now, I need to represent the flows over 1,000 zones with directionality. Any ...
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2answers
65 views

Source of ferry route data for UK

I'm trying to find ferry route geometry data for the UK, particularly around Scotland. Things I've found whilst looking: Ordinance survey ITN master map - this contains ferry terminals and logical ...
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1answer
54 views

What is the color standard for roads or Transportation for USA?

Are there color standards for US Transportation roads such as Interstate, County,, Interstate, local, private, state highway and other roads out there ?
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0answers
40 views

Finding Network Distance Between Specific Pairs

I have a data set that describes where users of a specific facility come from. I need to calculate the network distance between the facility and its users. There are about 9,000 origins going to about ...
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3answers
2k views

Choosing GTFS editor for creating and exporting routes?

I am a beginner and I need information about GTFS editors. I want to create routes,trips,patterns,etc... and export it to GTFS-format. I have setup locally two GTFS editors: TransitDataFeeder ...
0
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1answer
90 views

Can DARP be used for Non Emergency Medical Transportation problems?

I have a Non-Emergency Medical Transportation (NEMT) business and am looking for the best solution that can automate the dispatching process. I looked over DARP and it seems fine. I need to know 2 ...
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5answers
2k views

Are there open source solutions for travel demand modelling?

I'm looking for open source tools for travel demand modelling (eg The four-step UTMS). Preferably in a GIS environment. That works well with Qgis, Grass and Postgis. My question is not related to ...
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0answers
93 views

Los Angeles public parking lot polygons?

So, I'm looking for some relevant data to incorporate into my map, and one of them is public parking polygons. Is there such a .shp file with these data?
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1answer
1k views

How to calculate driving distance/time between two points

I am doing some analysis for our fire rescue department where we are comparing actual response times to fires vs predicted response times. The actual response time analysis is straight forward as I ...
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0answers
51 views

How can I get a remote village transportation network from openstreetmap?

How can I get such a remote village transportation network from openstreetmap? nodes represent remote villages links represents public transportation tools, like buses Something like that: It ...
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1answer
121 views

How can I get public transport maps in WKT format?

I can get street maps from openstreetmaps.org (XML) and convert it into WKT with the tool osm2wkt. There are several people creating specialist public transport maps: The Transport Map layer on ...
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5answers
6k views

Curved point-to-point “route maps”

I have recently been looking at airlines web pages that display their routes departing a certain city to all other cities they service. I would like to be able to create similar curved routes between ...
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0answers
69 views

Extract unique overlapping/coincident polyline routes into their own selectable layers?

I am currently working with a road network that was created in Citilabs' Viper, consisting of nodes and links. For every single link in the dataset, there is an AB node for both directions, opposing ...
3
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1answer
323 views

Create an optimized point layer derived from a road layer so that the driving distance between each point is x

Consider a classic state-wide or country-wide roadway network. I want to create a point layer, where each point is on the roadway network. This point layer will have each point separated by its ...
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1answer
259 views

How to calculate highway lengths using QGIS? [closed]

I need to create a network of highways in 8 states of the USA. Eventually, I need their length, the speed and if possible average daily traffic volume, I don't know how to extract this information. ...
2
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1answer
133 views

OpenStreetMap XAPI request for “Member Of”

I'm trying to find a way to request public transportation info from the OSM XAPI. Those nodes can be best described as: highway = * member of = ( route = bus ) Is that even possible to do over the ...
6
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3answers
2k views

Find a proper path between two nodes in a grid

This question is about finding a proper path (route) between two nodes (P,Q) in a grid (i.e., graph, network, ...). In our concept, we define a path proper (nice) if it is the most similar* to the ...
2
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0answers
168 views

Plot the Shortest Paths in a Grid without any clash at a point of time

The efficient algorithm needs to be done and proved for the best solution for the given problem: User inputs: (#) Size of the NxN Grid. (N); (#) No. of Paths: Z; (#) Source and Destination ...
2
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1answer
70 views

Where can I find road attribute and network for New York City?

Is there any possible to find the attribute of each road (such as road capacity, speed, longitude and latitude.) in New York City ? Thanks
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1answer
48 views

How to Predict demand on a bus route, considering variaton in kms and price?

If there is a route (line) modification, I mean change on distance; and also a change on the price for the user. How can I calculate the demand on the next year, considering seasonnality. What would ...
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0answers
46 views

OpenStreetMap how to identify major ports

I'm quite new to OSM data. Can anyone help me with the best tags to use to identify major shipping ports? I'd like to be able to identify cities that have a significant amount of commercial shipping ...
4
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1answer
763 views

PostgreSQL: How to use more than one CPU?

I'm creating a real time traffic application. I read the AVL car data from a web service and insert the records in a PostgreSQL table. Then a trigger calculates the closest link and if there is a ...
4
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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 ...
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0answers
17 views

European Rail Freight Map (shapefile or other ArcGIS format)? [duplicate]

I need European Rail Freight Map (shapefile or other ArcGIS format) for a GIS project. Does anyone have this data?
2
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0answers
52 views

Displaying buses from a transport network (newbie)

First of all, I'm noob in this subject so please give me some advice. I'd like to develop something like http://traintimes.org.uk/map/london-buses/#73 but with my own city. Unfortunately our MTA ...
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2answers
1k views

Map walking distance/time from transit stops

I'm working in QGIS and would like to show how far from a bus stop a pedestrian could walk along the street network in any direction for a specified set of walking times (5,10,20 mins etc). I have my ...
2
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1answer
256 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 ...
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2answers
203 views

Road-construction (alignment) tools

Are there any tools available in any GIS environment for route alignment? To be specific, the tool should take a DEM and road-construction parameters -- distance and gradient, roadfill, drainage ...
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0answers
191 views

create minimal spanning tree using table of distances between nodes rather than TSP

I am working on a transportation (linear programming) problem. Each potential solution also requires checking the distance of approx 20,000 routes with 5 to 15 nodes per route. Calculating the ...
4
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1answer
295 views

how to make public transportation map?

I have collected the public transport routes and i want to map a map that looks like this. My problem is i am not able to show the shared segments as parallel lines. I have not been able to find good ...
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1answer
270 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, ...
3
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2answers
417 views

Reinventing the wheel: Public Transit System

I'm building a public transit service in South Africa, and I initially started the project on PHP and MySQL. I've managed to get far with the simple stack, with: Routing algorithm in PHP Data ...
2
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1answer
68 views

Conceptually, what's the ideal way to develop detour maps for a large number of nodes

I have a road layer of roughly 30,000 links. On these links, I have a total of 15,000 nodes that are sorted in a point layer. I'm trying to build a detour distance and routing around each asset in ...
3
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3answers
725 views

How to extend OSM2PO with ferry durations?

I would like to have the ferry duration [1] taken into account, when transforming OSM files to SQL. But I'm not sure if I need to write my own waytagresolver, or it is possible to simply add it to ...
5
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2answers
213 views

High quality public transport trip planner examples? Trip visualization examples?

Do you know high-quality online public transport route/trip planners? I'm looking for sites with recognized usability, most carrier-owned planners are bad or very bad from Human-Computer Interaction ...
13
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8answers
510 views

Looking for pedestrian-specific routing engines

Most of the applications providing pedestrian routing I see are sufficient for many needs but not optimal: you cannot cross open spaces like town squares, routing is in the middle of the street etc. ...
10
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2answers
500 views

Looking for best practices for determining turn penalties

Shortest path routing will often return routes with a lot of turns (zigzag shape). If you want to get routes with fewer turns, you can use turn penalties to make turning more "expensive". What are ...
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3answers
608 views

Longitudinal and Latitudinal coordinates of interstate exits

I need to find the coordinates of all the interstate exits for some research. I'm not looking to code up a program that will do it for me, but I was hoping that someone had already done it and would ...
3
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1answer
540 views

How to solve routes to offset points in Network Analyst?

The scenario is that there are points on a grid with intervals of 1000m covering an area of hundreds of square kilometres. I want to find routes on a road network to any one of these points. A road ...
5
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2answers
538 views

R packages for deriving spatial clusters from origin-destination matrix

I have a matrix of origin-destination flows and I am trying to figure out the best way to derive X number of functional spatial clusters from the data. I haven't done this particular type of analysis ...