Reinvent platform control on the London train lines.

Full Case Study
FULL CASE STUDY

The challenge

To reinvent from the ground up a software package to replace popular platform used in stations by controllers and platform staff.

The standard platform used in all stations is outdated, full of bugs and extremely expensive for rail operators to lease. The software is also based around maps of the rail network which are not available in the public domain and would have to be drawn up from scratch and constantly updated. The challenge therefore was to reinvent and improve the current offering, whilst not using the rail network maps.

How to replace legacy software that all users are habitually tied to using?
How to realise the movement and location of trains without a map?
How to improve .the current offering with features that are not yet available?

On site testing

I took over the project after an initial week's design sprint. As not enough users were gathered for the testing day, another round of testing was run, this time in situ in stations. An updated wireframe prototype was used by various different roles of station staff, at several different stations around London, ranging from smaller county lines to larger hub stations. It became apparent quite quickly that the concept realised in the sprint was far too simplistic and would not be fit for purpose.

As the prototype was to be used by workers, who may not understand the idea of a "wireframe" the screens were made to a higher fidelity than a normal wireframe would be. We wanted the feedback to be on the usability, rather than on the look of a wireframe. Also the use of the RAG colours was an important part of the journey, so these colours were included in the wireframe and used as part of the testing.

Go-Ahead wireframe 1
Go-Ahead wireframe 2
Go-Ahead wireframe 3
Initial Sprint Wireframe
Hi-fidelity wireframe used in prototype.
Hi-fidelity wireframe used in prototype.

A day in the life of a station worker

Whist visiting the stations some time was spent sitting with each member of staff and learning about their different roles and responsibilities, as well as watching what they did on a day to day basis. “Jobs to be done” styled questions were asked to understand the processes they already had in place, from their entrance into the work place to running and managing the trains day-to-day. We also looked and how they used the current software offerings. From this a large amount of knowledge was gained about how a station is run, the pains that the operator face both in the physical running of the platforms and the use of current software, and unmet needs that could be addressed in our product.

One point that was made by all users was the absolute necessity of the map, but delving deeper into why this might be it became obvious that this was more of a habitual need, and as long as signals were represented in some way, to understand how far a train was from a station, a solution might be found without the use of a map. This was the next challenge, and would need to be re-tested.

Reiterate and re-test

Using the insight gained from the first round of user testing, a new design was created, which included parts from the original that were universally liked by the users, an a whole new way to look at the way trains were represented, without the use of a map.

Still designs were put before stake holders and senior station operation staff at a rail conference, for them to comment on, and a prototype and walk through video was created, showcasing all the features of the MVP.  

Small clip from the Wireframe prototype simulation, used to gain feedback from users.

This video was taken back to a larger selection of stations in the London area including one of the central London hub stations and shown to staff, with extremely positive feedback. The insight gained from this second round of testing was used to refine the MVP and using theming and prioritisation a road map of future features was created.

The insight gained from this second round of testing was used to refine the MVP and using theming and prioritisation a road map of future features was created.

Post-it notes on the wall

The Results

A working MVP, using and extremely complex back end, based on solid user needs and built around real user feedback that could be taken for beta testing at a select group of stations.

Users

Station workers from Operators to platform workers.

Build

Full MVP using existing backend API's used by the rail networks.

Objectives

A simple visual user experience, without the use of maps, which will save money for the client.

Platform

Web,
Desktop only.

Go-Ahead screenshot 1
Go-Ahead screenshot 4
Go-Ahead screenshot
Go-Ahead screenshot 3

Insight from the project

To really understand something as complex as a running a station you need to spend a lot of time onsite with the staff. Without this knowledge creating  product to tackle pain points would be impossible.

Delve deep into the reason why features may be “essential” to the user. Are there habits that can be changed by the use of good UX? 

Stay realistic with what should be developed for an MVP. Prioritise based on users need and technical capabilities, and move less essential features to the backlog.

Being a part of the UX/UI design process from beginning to end helps in all aspects of the design process.

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Reinvent platform control on the London train lines.

Rethinking the software solution used by stain controllers through day-in-a-life interviews and on site user testing.