
About us
Traffic Survey Partners (TSP) was established by Siva Nagarajah, a professional in the field of transport analytics and statistical research. Prior to founding TSP, Siva held the role of Analysis Director at Count On Us, where he led numerous high-profile transport data projects. His career began at the Department for Transport (DfT), where he worked as a Graduate Statistical Officer, gaining foundational experience in transport policy, modelling, and data-driven decision-making within a government framework.
In September 2012, Jerry Bentall joined TSP as Public Transport Director, strengthening our expertise in public transport research and consultancy. With over 37 years of experience at Count On Us, British Rail, and Halcrow, Jerry brings extensive knowledge in rail service planning, transport consultancy, and market research.
Inga Balter joined TSP in 2011 from the banking sector and is our Senior Data Analyst. She oversees the processing, validation, and interpretation of survey data to ensure accuracy and high quality across all projects. Inga has worked on major assignments including the Croydon Tram link and HS2 surveys. She also mentors junior analysts and supports project managers to deliver clear, reliable data to clients on time.
Damian Jedruszek joined the company at its inception and is our Senior Technician. He is responsible for planning, installing, and maintaining all survey equipment, including CCTV, ANPR, and ATCs. Damian ensures every project runs smoothly on-site and provides technical support when needed. He has managed large, complex surveys such as the Brent Cross project, which involved 150 ANPR sites and over 100 MCC locations.
About the company
At Traffic Survey Partners (TSP), we deliver comprehensive, end-to-end traffic data collection tailored to each project’s needs — from single junction counts and ATC installations to large-scale, multi-site programmes including turning counts, queue length observations, speed and delay studies, and journey time monitoring.
What sets us apart is that we handle every aspect in-house, without outsourcing, maintaining full control from planning and installation to data processing and reporting. This integrated approach ensures high quality, transparency, and reliable results for projects of any scale

