Difference between revisions of "KnowledgeBase"

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== About ==
+
= About =
  
−
KnowledgeBase is RDG’s Content Management System providing customer friendly information on the railways and associated products.  
+
Knowledgebase is RDG’s Content Management System providing customer friendly information on the railways and associated products. It contains a wealth of static and real-time information about traveling by train on the GB rail network, such as information about station facilities, service disruption, and engineering work.
−
KnowledgeBase data is available on National Rail Data Portal through 2 subscription types
 
−
* Real Time Data Feeds – for new, modified and deleted Incidents
 
−
* On Demand Data Feeds – for requesting the latest information on the following
 
−
  * Ticket Restrictions
 
−
  * Companies
 
−
  * Incidents
 
−
  * National Service Indicator
 
−
  * Promotions (Public)
 
−
  * Stations
 
−
  * Ticket Types
 
  
−
== Accessing the KnowledgeBase Feeds ==
+
Data is available on the National Rail Data Portal through two subscription types:
  
−
To access the RDG KnowledgeBase feeds, you must have an account on the National Rail Data Portal (NRDP) at http://datafeeds.nationalrail.co.uk. After logging in, you will see 3 subscription types: Historical Service Performance (HSP), Real Time Data Feeds and On Demand Data Feeds. By selecting the checkbox for each of these subscription types, the respective sections become visible on the My Feeds page.
+
* Real Time incidents - for new, modified and deleted Incidents
 +
* Knowledgebase API - for requesting the latest information on the following static data
 +
** Companies (TOCs)
 +
** Incidents (Service Disruptions and Engineering Works)
 +
** National Service Indicator (NSI)
 +
** Promotions (Public)
 +
** Stations
 +
** Ticket Restrictions
 +
** Ticket Types
  
−
The previous Darwin Data Feed on the NRDP Account page has been replaced by the Real Time Data Feed which once selected include details about the Darwin push-port feeds and the KnowledgeBase – Real Time Incident feed in the My Feeds page.
+
= Accessing the Knowledgebase Feeds =
  
−
To receive KnowledgeBase Real Time Incidents, select Real Time Data Feeds under Subscription Type in the Edit User Details page and then select the Update button to save this change. Go to the My Feeds page and select the KnowledgeBase data type – Real Time Incidents option. You will need the [http://nrodwiki.rockshore.net/index.php/Darwin:Push_Port#Accessing_real-time_data/ Real Time Information /STOMP details] to start receiving real time incident messages via a STOMP client.
+
To access the RDG Knowledgebase feeds, you must have an account on the National Rail Data Portal (NRDP) at http://opendata.nationalrail.co.uk. By creating an account, you can register for a subscription to the Knowledgebase API and the Knowledgebase Real Time Feeds.
  
−
The On Demand Data Feeds section on the My Feeds page contains details about accessing the latest versions of Ticket Restrictions, Companies, Incidents, National Service Indicator, Promotions (Public), Stations and Ticket Types files from KnowledgeBase. To receive these KnowledgeBase files, select the On Demand Data Feeds checkbox under the Subscription type in the Edit User Details page and then select the update button to save this change.
+
To receive Knowledgebase Real Time Incidents, select Knowledgebase (KB) Real Time Incidents under the Knowlegebase (KB) subscriptions. The connection information required to start receiving Real Time Incidents is located on the My Feeds page.
  
−
== RDG KnowledgeBase APIs ==
+
To receive Knowldegebase static data, select Knowledgebase (KB) API under the Knowledgebase (KB) subscriptions. The My Feeds page will then display details about accessing the latest versions of Ticket Restrictions, Companies, Incidents, National Service Indicator, Promotions (Public), Stations and Ticket Types files from Knowledgebase.
  
−
=== On Demand Data Feeds ===
+
'''Important''' - Please note NRDP accounts expire after an extended period of inactivity. The unused account expiry period is currently set to 30 days. If you create an account and do not consume any of the feeds during this time your account will be deleted. If your account has been deleted, you will receive a notification email, and you will be able to re-register for a new account.
−
After selecting the On Demand checkbox subscription type on NRDP, you can receive the KnowlegeBase xml files in 2 steps via a rest client.
+
 
−
* Step 1: Perform HTTP POST call to NRDP via https://datafeeds.nationalrail.co.uk/authenticate to generate a token.
+
= Internal KB URLs =
−
* Step 2: Perform HTTP GET call to individual NRDP Knowledgebase Feeds using the token produced in step 1
+
Some endpoints are currently accessible without authentication on subdomains reserved for internal use only. Internal KB was originally firewalled, this was removed in March of 2020, but it may return to being firewalled without warning. If a URL you're using starts with anything other than ''opendata.nationalrail.co.uk'', you're probably in the wrong place!
 +
 
 +
= RDG Knowledgebase APIs =
 +
 
 +
== Knowledgebase API ==
 +
 
 +
After selecting the Knowledgebase (KB) API checkbox subscription type on NRDP, you can receive the Knowledgebase xml files in two steps via a REST client.
 +
 
 +
=== Generate Authentication Token ===
 +
See the [[National Rail Data Portal#Authentication|Authentication]] section on the [[National Rail Data Portal|National Rail Data Portal]] article
 +
 
 +
==== Make a call for each file ====
 +
 
 +
Once you have a valid authentication token, you can make an HTTP GET request.  Supply the authentication token in a header named `X-Auth-Token`:
 +
 
 +
  GET https://opendata.nationalrail.co.uk/api/staticfeeds/4.0/ticket-restrictions
 +
 
 +
    X-Auth-Token: jane@doe.com:1491312310772:56c56baa3e56d35ff0ede4a6aad1bcfb
 +
 
 +
A successful response will result in the requested file:
 +
 
 +
    <?xml version="1.0" encoding="utf-8"?>
 +
    <TicketRestrictions
 +
    ...
 +
 
 +
If authorization failed, the response will be an HTTP 401 Unauthorized:
 +
 
 +
    {
 +
        "timestamp": "2019-02-13T11:50:16.048+0000",
 +
        "status": 401,
 +
        "error": "Unauthorized",
 +
        "message": "Unauthorized",
 +
        "path": "/api/staticfeeds/4.0/ticket-restrictions"
 +
    }
 +
 
 +
If you are not subscribed to the Knowledgebase API,  the response will be an HTTP 403 Forbidden:
 +
 
 +
    {
 +
        "timestamp": "2019-02-13T11:51:29.992+0000",
 +
        "status": 403,
 +
        "error": "Forbidden",
 +
        "message": "Forbidden",
 +
        "path": "/api/staticfeeds/4.0/ticket-restrictions"
 +
    }
 +
 
 +
=== Stations ===
 +
 
 +
In the stations data, London St Pancras and Ashford International both have have ''two'' entries each, intended to correspond to domestic services and facilities (STP and AFK), and those dedicated to international facilities (SPX and ASI). These second entries are not maintained, and these CRS codes, derived from underlying Network Rail data, are not recognised by LDB, or in the Darwin push port reference data, which mantains the National Rail convention of one CRS code per station (here STP and AFK). These entries bear confusingly similar names to the more canonical ones, and may be sorted before them, something to consider if you're allowing a user to search stations.
 +
 
 +
== Real Time Incident Feed ==
 +
The real-time incidents feed details the creation, modification, and deletion of Knowledgebase incidents in real-time. The underlying information is the same as is available through the HTTP API (which can be used as a snapshot, if necessary), but its real-time nature is useful for tracking state changes more reliably, efficiently, and quickly. Messages from the real-time incidents feed can be received using either STOMP or Openwire. After selecting the Knowledgebase real-time incidents checkbox on the ''edit account'' page, connection information (host, credentials, and topic name) will now be shown in the relevant section on your ''My Feeds'' page.
 +
 
 +
Please note:
 +
* If using STOMP, your client must support STOMP v1.2.
 +
* Knowledgebase message bodies are not compressed, unlike the Darwin push port.
 +
* The opening XML tag is malformed, and should be ''PtIncident'' instead of ''uk.co.nationalrail.xml.incident.PtIncidentStructure''. Simple string substitution can resolve this if it presents a problem using the schema. This issue does ''not'' affect the incidents file retrievable over HTTP.
 +
* Topic advisory messages are disabled on the KB Real Time Incidents messaging host, so you must also connect with this facility disabled if using Openwire (e.g. by setting watchTopicAdvisories=false if using NMS)
 +
* The feed is relatively low volume with typically only a few messages per hour and often gaps of several hours overnight; if monitoring message volumes, or testing, you should take this into account.
 +
 
 +
=== Headers ===
 +
Each frame from the real-time incidents feed contains the following headers:
 +
 
 +
* ''INCIDENT_MESSAGE_STATUS'': either ''NEW'' (a new incident message), ''MODIFIED'' (a change to existing incident information), or ''REMOVED'' (incident deletion)
 +
* ''KNOWLEDGEBASE_DATA_TYPE'', set to ''INCIDENT_MESSAGE''.
 +
* ''INCIDENT_ID'': the ID of the KB incident
 +
 
 +
=== Example Real Time Incidents Bodies ===
 +
The following are examples of real-time incidents messages which include ''new'', ''modified'' and ''deleted'' incidents.
 +
 
 +
==== New Incident message ====
 +
<pre>
 +
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 +
<uk.co.nationalrail.xml.incident.PtIncidentStructure xmlns:ns2="http://nationalrail.co.uk/xml/common" xmlns:ns3="http://nationalrail.co.uk/xml/incident">
 +
<ns3:CreationTime>2017-03-21T16:17:00.000Z</ns3:CreationTime>
 +
<ns3:ChangeHistory><ns2:ChangedBy>SPimperton</ns2:ChangedBy>
 +
<ns2:LastChangedDate>2017-03-26T07:01:00.000+01:00</ns2:LastChangedDate></ns3:ChangeHistory>
 +
<ns3:ParticipantRef>73913</ns3:ParticipantRef>
 +
<ns3:IncidentNumber>214453059CDC4017A0E32F3A6ECA0D45</ns3:IncidentNumber>
 +
<ns3:Version>20170326070125</ns3:Version>
 +
<ns3:Source><ns3:TwitterHashtag>#SouthernStrike</ns3:TwitterHashtag></ns3:Source>
 +
<ns3:ValidityPeriod><ns2:StartTime>2017-03-21T16:17:00.000Z</ns2:StartTime></ns3:ValidityPeriod>
 +
<ns3:Planned>false</ns3:Planned>
 +
<ns3:Summary>Possible industrial action to affect Southern services on Saturday 8 April</ns3:Summary>
 +
<ns3:Description>
 +
<p>The RMT Union have announced they are planning to take industrial action on Saturday 8 April.</p>
 +
<p>It is not yet known how Southern services will be affected, if this industrial action goes ahead.</p>
 +
<p><strong>Twitter:</strong><br />
 +
If you would like to follow this incident on Twitter, please use <a href="https://twitter.com/hashtag/SouthernStrike?f=tweets">#SouthernStrike</a></p>
 +
</ns3:Description>
 +
<ns3:InfoLinks>
 +
<ns3:InfoLink><ns3:Uri>http://www.nationalrail.co.uk/service_disruptions/160174.aspx</ns3:Uri>
 +
<ns3:Label>nationalrail.co.uk</ns3:Label></ns3:InfoLink></ns3:InfoLinks>
 +
<ns3:Affects><ns3:Operators><ns3:AffectedOperator><ns3:OperatorRef>SN</ns3:OperatorRef>
 +
<ns3:OperatorName>Southern</ns3:OperatorName></ns3:AffectedOperator></ns3:Operators>
 +
<ns3:RoutesAffected><p>Various Southern routes</p></ns3:RoutesAffected></ns3:Affects>
 +
<ns3:ClearedIncident>false</ns3:ClearedIncident>
 +
<ns3:IncidentPriority>2</ns3:IncidentPriority></uk.co.nationalrail.xml.incident.PtIncidentStructure>
 +
...
 +
</pre>
 +
 
 +
==== Modified Incident Message ====
 +
 
 +
<pre>
 +
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 +
<uk.co.nationalrail.xml.incident.PtIncidentStructure xmlns:ns2="http://nationalrail.co.uk/xml/common" xmlns:ns3="http://nationalrail.co.uk/xml/incident">
 +
<ns3:CreationTime>2017-04-24T17:22:00.000+01:00</ns3:CreationTime>
 +
<ns3:ChangeHistory><ns2:ChangedBy>bives</ns2:ChangedBy>
 +
<ns2:LastChangedDate>2017-04-24T17:32:00.000+01:00</ns2:LastChangedDate>
 +
</ns3:ChangeHistory><ns3:IncidentNumber>8B3B4C1F358A45A186F6F95984F52F4F</ns3:IncidentNumber>
 +
<ns3:Version>20170424173219</ns3:Version>
 +
<ns3:Source><ns3:TwitterHashtag>#CrystalPalace</ns3:TwitterHashtag></ns3:Source>
 +
<ns3:ValidityPeriod><ns2:StartTime>2017-04-24T17:22:00.000+01:00</ns2:StartTime></ns3:ValidityPeriod>
 +
<ns3:Planned>false</ns3:Planned><ns3:Summary>Delays in theCrystal Palace area expected until 20:15</ns3:Summary>
 +
<ns3:Description>
 +
<p>Due <span>to trespassers on the railway at Crystal Palace trains have to run at reduced speed on all lines.
 +
<br /><br /><strong>Impact:</strong>
 +
<br />Train services running through this station may be cancelled or delayed by up to20 minutes. Disruption is expected until 20:15 24/04.<br />
 +
<br /><strong>Customer Advice:</strong>
 +
<br />Owing to a passenger forcing the doors open and exiting the train onto the trackin the Crystal Palace area trains are obliged to run at a reduced speed.<br/></span></p>
 +
<p><strong>Twitter:</strong><br />If you would like to follow this incident on Twitter, please use
 +
<a href="https://twitter.com/hashtag/CrystalPalace?f=tweets">#</a><span><a href="https://twitter.com/hashtag/CrystalPalace?f=tweets">CrystalPalace</a> </span></p>
 +
<p><strong>Check before you travel:</strong><br />Please use the National Rail Enquiries real-time
 +
<a href="http://ojp.nationalrail.co.uk/service/planjourney/search">Journey Planner</a> to check your journey before you travel.</p>
 +
<p><strong>Compensation:</strong><br />You may be entitled to <a href="http://www.nationalrail.co.uk/times_fares/ticket_types/121354.aspx">
 +
compensation</a> if you experience a delay in completing your journey today.
 +
Please keep your train ticket and make a note of your journey, as both will be required to support any claim.</p>
 +
<p><strong>Feedback:</strong><br />We want to make information better - tell us how! Fill out this online
 +
<a href="http://survey3.accent-mr.com/D4/(S(dtxglkj3ksyum52j0j01qpio))/2908m.aspx?urn=opensurveyNRwebsite">Disruption Survey.</a></p></ns3:Description>
 +
<ns3:InfoLinks><ns3:InfoLink><ns3:Uri>http://www.nationalrail.co.uk/service_disruptions/162083.aspx</ns3:Uri>
 +
<ns3:Label>nationalrail.co.uk</ns3:Label></ns3:InfoLink>
 +
<ns3:InfoLink><ns3:Uri>http://www.nationalrail.co.uk/static/documents/maps/Crystal2404.pdf</ns3:Uri>
 +
<ns3:Label>Additional Maps</ns3:Label></ns3:InfoLink></ns3:InfoLinks>
 +
<ns3:Affects><ns3:Operators><ns3:AffectedOperator><ns3:OperatorRef>SN</ns3:OperatorRef>
 +
<ns3:OperatorName>Southern</ns3:OperatorName></ns3:AffectedOperator></ns3:Operators>
 +
<ns3:RoutesAffected><p>Routes through Crystal Palace</p></ns3:RoutesAffected></ns3:Affects>
 +
<ns3:ClearedIncident>false</ns3:ClearedIncident>
 +
<ns3:IncidentPriority>2</ns3:IncidentPriority></uk.co.nationalrail.xml.incident.PtIncidentStructure>
 +
...
 +
</pre>
 +
==== Removed Incident Message ====
 +
Removed messages contain empty bodies.
 +
<pre></pre>
 +
 
 +
= Support =
 +
KnowledgeBase documentation and schemas:
 +
* [https://www.rspaccreditation.org/publicDocumentation.php#RSPS5xxx RSPS5050]
 +
 
 +
{{Navtable-NreDataFeeds}}
 +
 
 +
[[Category:National Rail Enquiries Data Feeds]]

Latest revision as of 16:25, 24 December 2023

About

Knowledgebase is RDG’s Content Management System providing customer friendly information on the railways and associated products. It contains a wealth of static and real-time information about traveling by train on the GB rail network, such as information about station facilities, service disruption, and engineering work.

Data is available on the National Rail Data Portal through two subscription types:

  • Real Time incidents - for new, modified and deleted Incidents
  • Knowledgebase API - for requesting the latest information on the following static data
    • Companies (TOCs)
    • Incidents (Service Disruptions and Engineering Works)
    • National Service Indicator (NSI)
    • Promotions (Public)
    • Stations
    • Ticket Restrictions
    • Ticket Types

Accessing the Knowledgebase Feeds

To access the RDG Knowledgebase feeds, you must have an account on the National Rail Data Portal (NRDP) at http://opendata.nationalrail.co.uk. By creating an account, you can register for a subscription to the Knowledgebase API and the Knowledgebase Real Time Feeds.

To receive Knowledgebase Real Time Incidents, select Knowledgebase (KB) Real Time Incidents under the Knowlegebase (KB) subscriptions. The connection information required to start receiving Real Time Incidents is located on the My Feeds page.

To receive Knowldegebase static data, select Knowledgebase (KB) API under the Knowledgebase (KB) subscriptions. The My Feeds page will then display details about accessing the latest versions of Ticket Restrictions, Companies, Incidents, National Service Indicator, Promotions (Public), Stations and Ticket Types files from Knowledgebase.

Important - Please note NRDP accounts expire after an extended period of inactivity. The unused account expiry period is currently set to 30 days. If you create an account and do not consume any of the feeds during this time your account will be deleted. If your account has been deleted, you will receive a notification email, and you will be able to re-register for a new account.

Internal KB URLs

Some endpoints are currently accessible without authentication on subdomains reserved for internal use only. Internal KB was originally firewalled, this was removed in March of 2020, but it may return to being firewalled without warning. If a URL you're using starts with anything other than opendata.nationalrail.co.uk, you're probably in the wrong place!

RDG Knowledgebase APIs

Knowledgebase API

After selecting the Knowledgebase (KB) API checkbox subscription type on NRDP, you can receive the Knowledgebase xml files in two steps via a REST client.

Generate Authentication Token

See the Authentication section on the National Rail Data Portal article

Make a call for each file

Once you have a valid authentication token, you can make an HTTP GET request. Supply the authentication token in a header named `X-Auth-Token`: 

  GET https://opendata.nationalrail.co.uk/api/staticfeeds/4.0/ticket-restrictions

   X-Auth-Token: jane@doe.com:1491312310772:56c56baa3e56d35ff0ede4a6aad1bcfb

A successful response will result in the requested file: 

   <?xml version="1.0" encoding="utf-8"?>
   <TicketRestrictions
   ...

If authorization failed, the response will be an HTTP 401 Unauthorized: 

   {
       "timestamp": "2019-02-13T11:50:16.048+0000",
       "status": 401,
       "error": "Unauthorized",
       "message": "Unauthorized",
       "path": "/api/staticfeeds/4.0/ticket-restrictions"
   }

If you are not subscribed to the Knowledgebase API, the response will be an HTTP 403 Forbidden: 

   {
       "timestamp": "2019-02-13T11:51:29.992+0000",
       "status": 403,
       "error": "Forbidden",
       "message": "Forbidden",
       "path": "/api/staticfeeds/4.0/ticket-restrictions"
   }

Stations

In the stations data, London St Pancras and Ashford International both have have two entries each, intended to correspond to domestic services and facilities (STP and AFK), and those dedicated to international facilities (SPX and ASI). These second entries are not maintained, and these CRS codes, derived from underlying Network Rail data, are not recognised by LDB, or in the Darwin push port reference data, which mantains the National Rail convention of one CRS code per station (here STP and AFK). These entries bear confusingly similar names to the more canonical ones, and may be sorted before them, something to consider if you're allowing a user to search stations.

Real Time Incident Feed

The real-time incidents feed details the creation, modification, and deletion of Knowledgebase incidents in real-time. The underlying information is the same as is available through the HTTP API (which can be used as a snapshot, if necessary), but its real-time nature is useful for tracking state changes more reliably, efficiently, and quickly. Messages from the real-time incidents feed can be received using either STOMP or Openwire. After selecting the Knowledgebase real-time incidents checkbox on the edit account page, connection information (host, credentials, and topic name) will now be shown in the relevant section on your My Feeds page.

Please note:

  • If using STOMP, your client must support STOMP v1.2.
  • Knowledgebase message bodies are not compressed, unlike the Darwin push port.
  • The opening XML tag is malformed, and should be PtIncident instead of uk.co.nationalrail.xml.incident.PtIncidentStructure. Simple string substitution can resolve this if it presents a problem using the schema. This issue does not affect the incidents file retrievable over HTTP.
  • Topic advisory messages are disabled on the KB Real Time Incidents messaging host, so you must also connect with this facility disabled if using Openwire (e.g. by setting watchTopicAdvisories=false if using NMS)
  • The feed is relatively low volume with typically only a few messages per hour and often gaps of several hours overnight; if monitoring message volumes, or testing, you should take this into account.

Headers

Each frame from the real-time incidents feed contains the following headers:

  • INCIDENT_MESSAGE_STATUS: either NEW (a new incident message), MODIFIED (a change to existing incident information), or REMOVED (incident deletion)
  • KNOWLEDGEBASE_DATA_TYPE, set to INCIDENT_MESSAGE.
  • INCIDENT_ID: the ID of the KB incident

Example Real Time Incidents Bodies

The following are examples of real-time incidents messages which include new, modified and deleted incidents.

New Incident message

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<uk.co.nationalrail.xml.incident.PtIncidentStructure xmlns:ns2="http://nationalrail.co.uk/xml/common" xmlns:ns3="http://nationalrail.co.uk/xml/incident">
<ns3:CreationTime>2017-03-21T16:17:00.000Z</ns3:CreationTime>
<ns3:ChangeHistory><ns2:ChangedBy>SPimperton</ns2:ChangedBy>
<ns2:LastChangedDate>2017-03-26T07:01:00.000+01:00</ns2:LastChangedDate></ns3:ChangeHistory>
<ns3:ParticipantRef>73913</ns3:ParticipantRef>
<ns3:IncidentNumber>214453059CDC4017A0E32F3A6ECA0D45</ns3:IncidentNumber>
<ns3:Version>20170326070125</ns3:Version>
<ns3:Source><ns3:TwitterHashtag>#SouthernStrike</ns3:TwitterHashtag></ns3:Source>
<ns3:ValidityPeriod><ns2:StartTime>2017-03-21T16:17:00.000Z</ns2:StartTime></ns3:ValidityPeriod>
<ns3:Planned>false</ns3:Planned>
<ns3:Summary>Possible industrial action to affect Southern services on Saturday 8 April</ns3:Summary>
<ns3:Description>
<p>The RMT Union have announced they are planning to take industrial action on Saturday 8 April.</p>
<p>It is not yet known how Southern services will be affected, if this industrial action goes ahead.</p>
<p><strong>Twitter:</strong><br />
If you would like to follow this incident on Twitter, please use <a href="https://twitter.com/hashtag/SouthernStrike?f=tweets">#SouthernStrike</a></p>
</ns3:Description>
<ns3:InfoLinks>
<ns3:InfoLink><ns3:Uri>http://www.nationalrail.co.uk/service_disruptions/160174.aspx</ns3:Uri>
<ns3:Label>nationalrail.co.uk</ns3:Label></ns3:InfoLink></ns3:InfoLinks>
<ns3:Affects><ns3:Operators><ns3:AffectedOperator><ns3:OperatorRef>SN</ns3:OperatorRef>
<ns3:OperatorName>Southern</ns3:OperatorName></ns3:AffectedOperator></ns3:Operators>
<ns3:RoutesAffected><p>Various Southern routes</p></ns3:RoutesAffected></ns3:Affects>
<ns3:ClearedIncident>false</ns3:ClearedIncident>
<ns3:IncidentPriority>2</ns3:IncidentPriority></uk.co.nationalrail.xml.incident.PtIncidentStructure>
...

Modified Incident Message

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<uk.co.nationalrail.xml.incident.PtIncidentStructure xmlns:ns2="http://nationalrail.co.uk/xml/common" xmlns:ns3="http://nationalrail.co.uk/xml/incident">
<ns3:CreationTime>2017-04-24T17:22:00.000+01:00</ns3:CreationTime>
<ns3:ChangeHistory><ns2:ChangedBy>bives</ns2:ChangedBy>
<ns2:LastChangedDate>2017-04-24T17:32:00.000+01:00</ns2:LastChangedDate>
</ns3:ChangeHistory><ns3:IncidentNumber>8B3B4C1F358A45A186F6F95984F52F4F</ns3:IncidentNumber>
<ns3:Version>20170424173219</ns3:Version>
<ns3:Source><ns3:TwitterHashtag>#CrystalPalace</ns3:TwitterHashtag></ns3:Source>
<ns3:ValidityPeriod><ns2:StartTime>2017-04-24T17:22:00.000+01:00</ns2:StartTime></ns3:ValidityPeriod>
<ns3:Planned>false</ns3:Planned><ns3:Summary>Delays in theCrystal Palace area expected until 20:15</ns3:Summary>
<ns3:Description>
<p>Due <span>to trespassers on the railway at Crystal Palace trains have to run at reduced speed on all lines.
<br /><br /><strong>Impact:</strong>
<br />Train services running through this station may be cancelled or delayed by up to20 minutes. Disruption is expected until 20:15 24/04.<br />
<br /><strong>Customer Advice:</strong>
<br />Owing to a passenger forcing the doors open and exiting the train onto the trackin the Crystal Palace area trains are obliged to run at a reduced speed.<br/></span></p>
<p><strong>Twitter:</strong><br />If you would like to follow this incident on Twitter, please use
 <a href="https://twitter.com/hashtag/CrystalPalace?f=tweets">#</a><span><a href="https://twitter.com/hashtag/CrystalPalace?f=tweets">CrystalPalace</a> </span></p>
 <p><strong>Check before you travel:</strong><br />Please use the National Rail Enquiries real-time
 <a href="http://ojp.nationalrail.co.uk/service/planjourney/search">Journey Planner</a> to check your journey before you travel.</p>
 <p><strong>Compensation:</strong><br />You may be entitled to <a href="http://www.nationalrail.co.uk/times_fares/ticket_types/121354.aspx">
 compensation</a> if you experience a delay in completing your journey today.
 Please keep your train ticket and make a note of your journey, as both will be required to support any claim.</p>
 <p><strong>Feedback:</strong><br />We want to make information better - tell us how! Fill out this online
 <a href="http://survey3.accent-mr.com/D4/(S(dtxglkj3ksyum52j0j01qpio))/2908m.aspx?urn=opensurveyNRwebsite">Disruption Survey.</a></p></ns3:Description>
<ns3:InfoLinks><ns3:InfoLink><ns3:Uri>http://www.nationalrail.co.uk/service_disruptions/162083.aspx</ns3:Uri>
<ns3:Label>nationalrail.co.uk</ns3:Label></ns3:InfoLink>
<ns3:InfoLink><ns3:Uri>http://www.nationalrail.co.uk/static/documents/maps/Crystal2404.pdf</ns3:Uri>
<ns3:Label>Additional Maps</ns3:Label></ns3:InfoLink></ns3:InfoLinks>
<ns3:Affects><ns3:Operators><ns3:AffectedOperator><ns3:OperatorRef>SN</ns3:OperatorRef>
<ns3:OperatorName>Southern</ns3:OperatorName></ns3:AffectedOperator></ns3:Operators>
<ns3:RoutesAffected><p>Routes through Crystal Palace</p></ns3:RoutesAffected></ns3:Affects>
<ns3:ClearedIncident>false</ns3:ClearedIncident>
<ns3:IncidentPriority>2</ns3:IncidentPriority></uk.co.nationalrail.xml.incident.PtIncidentStructure>
...

Removed Incident Message

Removed messages contain empty bodies. 



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