Expert Highway
Design Company
Transient Designs aim to provide a very cost-effective, flexible design service
that will achieve superb technical results for your organisation
and make real financial sense for you.
With a fully- equipped design studio and technical library
allowing service provision 7 days a week.
ABOUT US
cost effective, flexible design service
We are a Highway Design Company with extensive experience and multiple clients throughout the UK.
Transient Designs are highly motivated, have vast technical knowledge (coupled with design flair) and have excellent commercial & environmental awareness.
Keith Marsh is the Director & Lead Designer, and Lead Assessor (Auditor) providing essential “Walking, Cycling & Horse Rider Assessments” services to various clients including National Highways & their approved supply chain of international companies.
Transient Designs have a network of experts available to provide a complete of experts to provide a complete design & audit package across the UK
Track Record
Founded in 2005, we have a proven track record of delivering a wide range of Infrastructure & Urban Design related projects across the United Kingdom
From Start to Finish
Designing & implementing every stage and process; from site-surveys, sketching up concept designs right through to setting out & supervision on the ground.
Delivering Results
We provide a very cost effective, flexible design service that will achieve superb technical results. Fully- equipped design studio and technical library allowing service provision 7 days a week.
The lead designer, Keith Marsh also has experience as a technical author, writing guidance literature covering issues like cycle route planning design & national best practice.
Keith has worked on major town centre regenerations. Overseeing the removal of the World’s most famous “Office” roundabout ,the 2012 London Olympics M4/A4 corridors & co-led projects that won Municipal Journal’s “ Sustainable Infrastructure of The Year award.
HOW CAN WE HELP YOU
SERVICES

STUDY
We speak to users, understand their problems.
Survey sites.
Identify issues most normal engineers would miss.
Analyse statistics present findings & solutions in clear pictorial reports that are easily understood & turned into scheme funding.

DESIGN
For Urban & Rural Environments.
From concept sketch artists impressions to full autocad construction detail drawings.
Including:
- Junctions, Roundabouts
- Crossings, Cycleways
- Speed reduction, Footbridges
- Train stations, One-way systems
- Car parks, Road works
- Inclusive mobility improvements

EXPERT AUDIT SERVICES
Transient designs provide expert audit services approved to the latest government (DMRB GG142) standards including ….
- Walking, Cycling & Horse Riding Assessment
- Equality Impact Assessment & 2010 Equality Act checks
- Self-harm & Suicide Prevention
- Compliance with cycling infrastructure design guidance (LTN 1/20) & “Gearchange” policy/funding guidance
CLIENTS
WE ARE A TRUSTED SUPPLIER
Supplying specialist services to a range of national & local organisations including:
REFERENCES
HAPPY CLIENTS
National Highways
“Keith brings to the table an innovative design flair and a can-do attitude. I think you would find his experience and credentials useful on a national level.”
Sean Walsh
Route Manager West of England
British Horse Society

Slough Borough Council
Absolutely brilliant. Thanks for this Keith. Makes us look very professional ☺
Much appreciated. Have a great weekend
Thomas Smith
Highways and Drainage Supervisor
Congratulations, Keith! Good to see your hard work is being recognised. This recognition will certainly help bids etc. Any news on the next award, keep us posted.
Mark Reed CEng MInstNDT – AMEY
The Trails Trust
“The Trails Trust (TTT) to you as The Trust often refers to your consultant Keith Marsh of Transient Designs.
Keith is extremely generous in freely sharing his time, knowledge and resources with TTT on highway and related matters.
We don’t know who we could call on to assist us with equestrian, cycling and walking technical / road related matters if we had not come across Keith”
Rachel Thompson MBE
National Highways
Excellent work here Mr Marsh
Kat Liddington, Stakeholder Relations and Programme Development Manager, South West Operations


