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13 results

Solar-Powered Active Road Studs and Highway Infrastructure: Effect on Vehicle Speeds

Journal Article
Llewellyn, R., Cowie, J., & Fountas, G. (2021)
Solar-Powered Active Road Studs and Highway Infrastructure: Effect on Vehicle Speeds. Energies, 14(21), 7209. https://doi.org/10.3390/en14217209
Vehicle speeds have a direct relationship with the severity of road crashes and may influence their probability of occurrence. Solar-powered active road studs have been shown ...

Active Road Studs as an Alternative to Lighting on Rural Roads: Driver Safety Perception

Journal Article
Llewellyn, R., Cowie, J., & Maher, M. (2020)
Active Road Studs as an Alternative to Lighting on Rural Roads: Driver Safety Perception. Sustainability, 12(22), https://doi.org/10.3390/su12229648
Drivers, particularly with increasing age, cite driving at night as being problematic and feeling unsafe. Ultimately this may result in self-regulation and avoidance, with pot...

Naturalistic measurement of driver eye height and object height using photogrammetry

Journal Article
Llewellyn, R., Sarkar, P., & Taylor, M. D. (in press)
Naturalistic measurement of driver eye height and object height using photogrammetry. Proceedings of the ICE - Transport, https://doi.org/10.1680/jtran.18.00124
Driver eye height and object height are key factors in the derivation of basic parameters for safe and economically efficient highway design. This study critically reviews pr...

Improving Lane Adherence at Signalised Roundabouts with Intelligent Road Studs - A Case Study

Presentation / Conference
Llewellyn, R. (2017, September)
Improving Lane Adherence at Signalised Roundabouts with Intelligent Road Studs - A Case Study. Paper presented at JCT Traffic Signals Symposium
Spiral markings at signalised roundabouts improve traffic flow but can reduce safety due to poor lane discipline. This paper describes an innovative method of improving lane a...

Parking enforcement activity and public attitudes to enforcement: a case study of Edinburgh, Scotland (UK) in the context of the EU Push and Pull project

Presentation / Conference
Rye, T. & Llewellyn, R. (2016, November)
Parking enforcement activity and public attitudes to enforcement: a case study of Edinburgh, Scotland (UK) in the context of the EU Push and Pull project. Paper presented at International workshop on the economics of parking, Barcelona, 28th November 2016, University of Barcelona
Effective parking enforcement is absolutely critical to the effective operation and to the public acceptability of on-street parking policy. Very little empirically-based aca...

Inattentional Blindness and road safety: the potential role of intelligent road studs in reducing accidents

Conference Proceeding
Llewellyn, R., & Ladyman, S. (2016)
Inattentional Blindness and road safety: the potential role of intelligent road studs in reducing accidents. In Proceedings of 11th ITS European Congress
In-vehicle distraction is often the subject of debate in relation to road safety. Distractions outside of the vehicle, however, are often overlooked. Both situations result in...

Maximising the tourism benefits to the Scottish Borders of the Borders Railway

Presentation / Conference
Gibson, G., & Llewellyn, R. (2016, May)
Maximising the tourism benefits to the Scottish Borders of the Borders Railway. Paper presented at 12th Scottish Transport Applications and Research Conference, Glasgow, UK
No abstract avaliable.

The Use Of Equality Impact Assessments In Scottish Local Authority Transport Projects

Presentation / Conference
Sherriff, G. & Llewellyn, R. (2016, May)
The Use Of Equality Impact Assessments In Scottish Local Authority Transport Projects. Paper presented at 12th Scottish Transport Applications and Research Conference, Glasgow, UK

Lighting the way: the use of intelligent road studs at spiral-marked roundabouts.

Presentation / Conference
Llewellyn, R. (2015, September)
Lighting the way: the use of intelligent road studs at spiral-marked roundabouts. Paper presented at European Transport Conference, Frankfurt, Germany

Engineering condition assessment of cycling infrastructure: Cyclists’ perceptions of satisfaction and comfort

Journal Article
Calvey, J., Shackleton, J., Taylor, M., & Llewellyn, R. (2015)
Engineering condition assessment of cycling infrastructure: Cyclists’ perceptions of satisfaction and comfort. Transportation Research Part A: Policy and Practice, 78, 134-143. https://doi.org/10.1016/j.tra.2015.04.031
The UK National Cycle Network comprises 23,660 km of cycling and walking paths of which a significant percentage is dedicated off-road infrastructure. This represents a signif...

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6 results

Richard Llewellyn appointed as professional institution trustee and strategic board chair

19 November 2021
Richard Llewellyn has been appointed a Trustee of the Chartered Institution of Highways and Transportation (CIHT) and Chair of the charity's Education and Professional Development Strategic Board.

Richard Llewellyn awarded transport institution fellowship

17 October 2018
Transport Research Institute academic, Richard Llewellyn, has been awarded fellowship of the Chartered Institution of Highways and Transportation.

Richard Llewellyn appointed to SEStran Board

8 August 2018
Transport Research Institute academic, Richard Llewellyn, has been appointed to serve a four-year term as a non-Councillor board member on the South East of Scotland Transport Partnership (SEStran) Bo...

TRI Academic Appointed Institution Chair

27 July 2017
TRI Academic, Richard Llewellyn, has been appointed as chair of the Scottish Region of the Chartered Institution of Highways and Transportation for 2017-18.

TRI Academic Invited Speaker at Road Safety Conference

2 April 2017
TRI researcher, Richard Llewellyn, was invited to speak on the controversial subject of Shared Space and its implications at a industry conference in Stirling.

TRI academic on transport industry Burns Supper panel

25 January 2017
Transport Research Institute lecturer and researcher, Richard Llewellyn, participated in a pre-dinner panel debate at a Burns Supper attended by senior representatives of the Scottish transport indust...