TRL has been leading the development of traffic management solutions for over 60 years. Our software solutions, which are bui ... lt upon cutting edge research and have been validated worldwide, reduce congestion, provide more reliable journey times and ultimately improve air quality in cities and urban environments. At TRL software, we develop powerful software that is based on solid, proven research, yet is easy and practical to use. At the same time as we are continually developing new software based on cutting-edge research, well-established products such as ARCADY, PICADY, PERS, TRANSYT, iMAAP, SCOOT and MOVA are used by hundreds of authorities, consultants and engineers around the world. From the design of roundabouts, through to real-time adaptive traffic control solutions, how can we help you? read more