a platform approach to digital transformation
TRANSCRIPT
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Using data to keep London moving
Roland Major – Enterprise Architect
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Agenda§Business Context§Conceptual Architecture§Examples of components§Review
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Breadth of Transport for London§ 30 million journeys daily§ In addition to all road and rail
transport, we look after rivers, assisted travel, taxi and private hire regulation
§ We do much more also from education to running the world’s largest out of home advertising estate of its type
§ We’re 150 years old and chock full of heritage and design assets
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Road Space Management§ Sponsorship
- Own the improvement strategy for the TLRN- Engage with a wide range of customers and external stakeholders- Deliver user benefits that are clearly defined and measured
§ Outcome Delivery- highways design and engineering- traffic modelling capability - intelligent control of traffic signals- Monitor, analyse and optimise road network performance
§ Operations- 24/7 Operation to keep London moving- Real-time incident management through LSTCC- Assess and coordinate works and schemes to minimise disruption on TfL’s roads
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Wikipedia Definition§ Digital transformation is the change associated with the application
of digitaltechnology in all aspects of human society. ... § The transformation stage means that digital usages inherently enable new types
of innovation and creativity in a particular domain, rather than simply enhance and support the traditional methods.
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The proposition§ Understand the impact of cloud native§ How do we support portals and data mashups§ How is the breadth of data incorporated in a relevant display§ How flexible and future proof§ CAPEX v OPEX
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Conceptual ArchitectureKey Characteristics§ Bringing information and insight
closer to decisions- Locale, map based UI- Timely, event driven not batch- Trusted, consistent and accurate
§ Public cloud hosted§ Reusable commodity platforms§ Open Standards
Integration
Data Hub
Collaboration and Innovation
Analytics and Visualisation
Data DrivenOperationalApplications
Secure Enclave
Data DrivenOperationalApplications
Secure Enclave
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Data HubCommodity Cloud§ Scalable Object Store S3§ Persistence Services (SQL and No SQL) Aurora +Dynamo§ Elastic Search§ Spark§ Compute EC2Configured Platform Services§ Spatial - ESRI§ Data Warehouse - Oracle RDBMS +Redshift§ SOA Platform – WS02
Data Hub
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Public Interfaces§We currently provide a number of (digital) road information sets including:
- Incidents - Live traffic information and planned works/events disruption. Includes planned closures.
- Road status tool – Web interface- VMS (including some journey times),
JamCams, Post Code impact areas and Other Camera locations.
Many users, applications and value added providers
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Analytics and Visualisation§ Everything we monitor is linked in time and place§ Improvement in identifying effects and finding cause§ Balance of models and sensors§ Where you have multiple data sources how do you bring these
together to inform you of new insight§ How feasible is prediction ?
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Analytics Summary
§ Looking into how we present data and how trusted is it, differentiating - Modelled- Measured low density sensors- Measured high density sensors
§ Bringing multiple dimensions together coherently is the key feature§ Planning and Operational co-ordination activities need and use the
same information § How to introduce real time analytics
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Operational Systems
§ TfL has an operations center which coordinates on the dayactivities across Surface
§ Many events are planned, some events just occur§ Plan à Do à Review
§ Situational Awareness is important § Silo systems just do not work
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Situational Awareness
§ Should be common across operations§ The ability to understand what is happening§ The ability to identify where things are unusual - quickly§ Sensor coverage is seen as limiting factor§ Waze data is being trialed
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Situational Awareness§ Trial of Waze crowdsourced has
just started§ Early results are promising for
incident detection§ Solution combines several data
sources to enrich real time view§ Management views and
dashboard included
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Situational Awareness§ Needs Filters and Alerts§ Areas of Interest§ Design is evolving
rapidly
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Traffic Control Sensors§ We have about 14,000 sensors measuring junctions approaching junctions§ This data is currently used by the Real Time Control to manage optimisation§ We have been investigating how it can be processed for insight
- Scale 780 Million events per day- Latency to data center circa 1 Second- Resolution 250mS scans
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Traffic Sensors and derived flow
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Key points§ Sensor data is great for modern analytics platforms§ Meta data preparation is the hardest part§ Its completely anonymous§ Granularity of data gives early identification of incidents§ ML predictions out to 45 mins, are quickly running at >80% accuracy§ Complex network, understanding its dynamics needs a lot of work
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Operation Technology
§ Traffic Management Act Notifications (TMAN) - A dedicated interface between London boroughs and TfL enabling the balanced delivery of major schemes and works on the TLRN and SRN
§ Forward Planning Tool - An advance planning tool that allows promoters to provide early visibility of road and street works
London Works 2§ Central Register – a pan London system enabling
visibility and management of works and related activities in London
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Internet
AWSEU-W2 AZ’s
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Review§Use Technology as a commodity- Open Source is a key enabler- IoT, Big Data, Cloud don’t resonate- Skills are the biggest hurdle to overcome
§Bringing information sets together encourages new thinking§Agile changes the organisation§Composable systems delivers solutions quickly
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Questions