Archive for the ‘OSI Issues’ Category

Missing route in SW London

A site visitor queried why they had been charged the zone 1-3 cap instead of the expected zone 1-2 cap recently, and it has thrown up a missing route option between a number of stations in SW London.  The system thinks you’ve gone via zone 3 even when you haven’t.  The problem Read the rest of this entry »

Oyster at Gatwick

Today marks the start of the latest Oyster extension to Gatwick Airport. While there are people who will benefit, this is the most complicated extension yet, and great care will need to be taken to ensure that you aren’t overcharged.  I’ve been shown an internal briefing for Southern and Thameslink staff and some of the details of the implimentation are going to cause lots of problems. Read the rest of this entry »

Caution – Hokey-Cokey Issues

So today I’ve been out and about experimenting and encountered a problem with trying to break an OSI.  The OSI was broken alright, but the fare charged for the first leg was not what I expected to see.  I’m trying to track back through my journey history to see where I’ve tested this before but it’s taking a while.  So far I’ve only found where one of my kids used it to break a circular journey.  In that instance it worked just fine, but as kids fares within zones 1-6 are just a flat 75p off-peak it may have masked other effects.

Watch this space for more news.

New Hackney Interchange

Thanks in part to Noel and PC for spotting this. I visited the stations at Hackney Central and Downs last night and spoke with staff. The new link is due to open in the summer and will provide a direct walkway from Platform 1 at Hackney Downs to Platform 2 at Hackney Central. There will be a pink validator along the walkway so that people avoiding zone 1 can indicate this. It would not surprise me if the OSI was removed once the walkway opens as it will be a considerably quicker route even if you have to change platforms within both stations. I do wonder whether the platforms at Central might need to be renumbered 5 and 6 to avoid confusion.

Interchanges and Maps

A recent project for this site has involved walking between each pair of stations in OSIs and generating Google maps so people can see what is involved.  The full list of OSIs can now be found on it’s own page while the general explanation has been re-written from scratch and renamed Interchanging Trains.  In the list each entry with a map shows the distance in miles between the stations and that is a link to the map page.  The map page lists just the entries applicable to that map (usually two) along with a Google map.  The recommended route is shown with blue dots while Google tries to be helpful by adding one or more alternatives as grey lines.  There are no maps where the two stations are linked by one concourse or are so close together as to make a map pointless.

For the statisticians out there, most OSIs are half a mile or less so should be walkable in under 10 minutes.  The longest one is between Paddington and Marylebone NR stations at 0.8miles.  Others over half a mile include the Bromley stations, Emabankment to Waterloo East, Euston to Kings Cross or St Pancras, and Ickenham to West Ruislip.  Although not mapped, the shortest one is undoubtedly Southwark to Waterloo East which is about 20 yards.

Blackfriars to Southwark OSI

During the last week I’ve had a chance to test out the new OSI between Blackfriars and Southwark.  This has been described as a temporary one while the work at London Bridge moves forward, although I think a case could be made for keeping it permanently.  The walk took 7-10 minutes depending on how busy the traffic was on Blackfriars Bridge which is quite reasonable.  There is unfortunately a flaw which means caution should be exercised when making journeys across zone 1.

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Updated Journey Times & OSIs

I’ve recently received responses to two FOI requests which have provided useful information. The method of calculation of maximum journey times is now known where part of the journey is outside the zones numbered 1-9. The OSI list has also been updated with the only change being an increase to 30 minutes when walking from Kings Cross St Pancras LU to St Pancras Intl NR.

New Page – An Oyster Rail Journey

A new page has been added to the site today describing in detail what happens as you make a rail journey using Oyster.  It’s very much a first draft based on my extensive experiences of using the system, but if anyone in the know spots an error or misunderstanding then I’ll happily update it.

TfL admit ELLX overcharging

I’ve been informed by a site visitor that changes are on the way for people who travel between the Morden end of the Northern line and stations east of Clapham High Street on the Overground extension.  He enlisted the help of his London Assembly member and received the following response:

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Changes to OSIs from October

I’ve just received the latest update to OSIs which appears to have been introduced in October. There are a few housekeeping changes including deletion of the now redundant OSIs between Blackfriars NR and Temple/Mansion House. They’ve also deleted the OSI between the parts of Wembley Central as you no longer have to leave the station to get to the Southern platforms.

On the plus side they have introduced a new OSI between Ickenham and West Ruislip Read the rest of this entry »

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