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

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44 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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0answers
40 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
54 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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54 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 ...
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1answer
54 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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42 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 ...
2
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1answer
49 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
40 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
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?
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0answers
45 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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1answer
125 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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1answer
150 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. ...
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2answers
153 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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2answers
1k 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 ...
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0answers
76 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?
4
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1answer
180 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 ...
2
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1answer
94 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 ...
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1answer
827 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 ...
1
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1answer
173 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, ...
4
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1answer
554 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 ...
2
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1answer
59 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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2answers
729 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 ...
3
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3answers
569 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 ...
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5answers
1k 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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3answers
390 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 ...
2
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1answer
320 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 ...
4
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1answer
1k 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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1answer
455 views

Network Analyst does not take oneway street from attribute table

I want to build a network dataset to calculate travelling times for buses (service area). I have on shapefile with the streets from my home town, which has a column intitled 'ONEWAY', with values of ...
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1answer
301 views

Where can I download Real time Traffic and weather data for the world?

Where can I download real time data for traffic and weather? I'd like to use it as an overlay on a mapping service of my choice (eg. Google maps, OpenLayers etc.)
3
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1answer
69 views

Problem Joining FAA raster charts

I am new to GIS and I am trying to place the North and South Salt Lake City aeronautical charts in QGIS. The problem I'm having is that there is a black section where the two charts should touch. Am I ...
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2answers
440 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 ...
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0answers
143 views

How to use OSM2PO for transit routing?

I'm using OSM2PO (4.6.9) for "classic" routing, I mean highway network and everything works fine. Now, I want to use it to route in a "transport" network, a bus network for instance. But I want the ...
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2answers
107 views

Where can I get public transportation locations for USA

I am trying to find a list of all public transportation/transit locations like subway stations, airports, bus terminals and bus stops for USA. Only major transit locations are required, rural bus ...
6
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1answer
1k views

Open Source solutions for building a Traffic Management System

I am trying to set an Open Source alternative to proprietry ITS (Intelligent Transportation Systems) The goal is to build a Traffic Management System for a middle size city center. Main requirements ...
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8answers
449 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. ...
2
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1answer
133 views

TRANSIMS interaction with OSGEO tools

Wow I've just discovered the world of TRANSIMS, a transport model with ambitious aims: "to model all aspects of human behaviour related to transport in one consistent simulation framework" (Nagel, ...
2
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0answers
152 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 ...
4
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0answers
159 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 ...
6
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1answer
397 views

NYC Subway Line Station Order?

I've currently got data on the NYC subway stations (including name, position, and how many people entered and existed during a timeframe). Also, I have the data on which stations have which train ...
3
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2answers
208 views

Where can I get public transportation route information for USA?

I'm trying to find a list of public transit route information, mainly location of bus and train stops for the US. I've looked around at some of the Google products and openstreetmap but can't find ...
5
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2answers
182 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 ...
6
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3answers
1k 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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1answer
115 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 ...
3
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1answer
273 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 ...
3
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2answers
387 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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2answers
139 views

Are there open standards for storing multi-modal routing graphs?

I'm looking for any open standards (or maybe best practices) for storing multi-modal routing graphs, eg. info for pedestrian, bike, public transport and car routing, etc. Every data provider seems to ...
8
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5answers
6k 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 ...
10
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2answers
433 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 ...
4
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1answer
486 views

Using OSM data, pgRouting, and dummy data to develop an origin/destination travel matrix

Further to my previous question I was wondering if it is possible to add dummy node data without to do routing analysis. ISSUE I have a polygon layer that represents zonal attributes I created a ...
5
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1answer
201 views

Literature on public transit network connectivity metrics

Are you aware of any literature or best practices for measuring the connectivity of a public transit network, taking both route geometry and the schedule into account? In other words, I'd like to ...