Datasets – Land Transport Authority (LTA)

Land Transport Authority
The Land Transport Authority (LTA) is a statutory board under the Ministry of Transport, that spearheads land transport developments in Singapore.
LTA plans the long-term transport needs of Singapore, taking care of those who drive as well as those who take public transport. The ultimate goal – a smooth and seamless journey for all.

Datasets Available

Code Snippet

.NET – How do I access a complete list of incidents near me

public List<IncidentEntry> GetIncidentFromNimbusLTA(string AccountKey, string UniqueUserID)
    {

        System.Net.WebRequest wr=
          HttpWebRequest.Create(
            "https://api.projectnimbus.org/ltaodataservice.svc/IncidentSet?Latitude=1.3&Longitude=103.85&Distance=2000");
        wr.Headers.Add("AccountKey",AccountKey);
        wr.Headers.Add("UniqueUserID",UniqueUserID);
        wr.Method = "GET";
        WebResponse res = wr.GetResponse();
        string resStr
         = new System.IO.StreamReader(res.GetResponseStream()).ReadToEnd();

        XNamespace atomNS
          = "http://www.w3.org/2005/Atom";
        XNamespace dNS
          = "http://schemas.microsoft.com/ado/2007/08/dataservices";
        XNamespace mNS
          = "http://schemas.microsoft.com/ado/2007/08/dataservices/metadata";

        List<IncidentEntry> results
          = (from item in XElement.Parse(resStr).Descendants(atomNS + "entry")
            let incident = item.Element(atomNS + "content").Element(mNS +"properties")
                select new IncidentEntry() {
                IncidentID incident.Element(dNS +"IncidentID").Value,
                Message = incident.Element(dNS +"Message").Value,
                Lat = incident.Element(dNS + "Latitude").Value,
                Lon = incident.Element(dNS + "Longitude").Value
            }).ToList();

        return results;
    }

Java – How do I access a complete list of incidents near me

public ArrayList<ISTraffic> getCameras(String accountKey, String uniqueId) {
  trafficList = new ArrayList<CISTraffic>();
  try {
    URL _url = new URL("https://api.projectnimbus.org/ltaodataservice.svc/IncidentSet?Latitude=1.3&Longitude=103.85&Distance=2000");
    URLConnection _urlConn = _url.openConnection();
    _urlConn.setRequestProperty("accept", "*/*");
    _urlConn.addRequestProperty("AccountKey", accountKey);
    _urlConn.addRequestProperty("UniqueUserID", uniqueId);
    BufferedReader br = new BufferedReader(new InputStreamReader(_urlConn.getInputStream()));
    String line = null;
    StringBuilder strBuilder = new StringBuilder();

    while ((line = br.readLine()) != null) {
      strBuilder.append(line);
      System.out.println(line);
    }

    String[] IProperties = strBuilder.toString().split("<m:properties>");
    for (String str : IProperties) {
      ISTraffic traffic = new ISTraffic();
      traffic.setIncidentID(Utils.getStringBetween(str, "<d:IncidentID m:type=\"Edm.Int32\">", "</d:IncidentID>"));
      traffic.setMessage(Utils.getStringBetween(str, "<d:Message>", "</d:Message>"));
      traffic.setCLatitude(Utils.getStringBetween(str, "<d:Latitude m:type=\"Edm.Double\">", "</d:Latitude>"));
      traffic.setCLongitude(Utils.getStringBetween(str, "<d:Longitude m:type=\"Edm.Double\">", "</d:Longitude>"));
      trafficList.add(traffic);
      }
    } catch (MalformedURLException ex) {
        ex.printStackTrace();
    } catch (IOException ex) {
        ex.printStackTrace();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return trafficList;
}

Helpers Available

.NET – C# Proxy Classes: click here | Read this blog post for more information to use these proxy classes.

JAVA – Read this blog post for more information to use JAVA to connect to the data service.

PHP & AJAX – Read this blog post for more information to use PHP/AJAX to connect to the data service.

obj C / xcode – coming soon

Terms of Use

The datasets:

• Are here as a community technology preview for a period of time (TBD).
• Cannot be used in any public offering.
• Are offered as-is with no official support.

Support

None at this time.