Question: On what date was the publication of the Plan for Plymouth?
Sentence: A peripheral road system connecting the historic Barbican on the east and Union Street to the west determines the principal form of the city centre, even following pedestrianisation of the shopping centre in the late 1980s, and continues to inform the present 'Vision for Plymouth' developed by a team led by Barcelona-based architect David MacKay in 2003 which calls for revivification of the city centre with mixed-use and residential.
Answer in sentence: no