Project Case Study Old Street Roundabout PERS Audit The Project The PERS audit was conducted to assess the current level of service for pedestrians around the Old Street Roundabout and the surrounding area. The results fed into the design proposals and highlighted those areas or components that required the most improvement and, at the same time, acted as a baseline score for future PERS assessments to ascertain the benefits of the proposed scheme. The audit covered a fairly small area comprising a mix of retail and commercial units and Old Street Underground (LU) and Rail Station. The presence of the LU and National Rail Stations under the roundabout resulted in high pedestrian footfall throughout the day. There were also consistently high vehicle flows on Ol

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