BJP Mumbai workers seen without helmets during a bike rally on the Western Express Highway on Wednesday. The normal rush hour turned into a terrible crawl for thousands of motorists on the Western Express Highway on Thursday evening.  Pic/Sameer Markande

BJP president Amit Shah will address a rally in Mumbai today, on the occasion of the party's 38th Foundation Day, which is seen as the formal launch of its campaign for the 2019 polls. As a result of the BJP's Maha Melawa, citizens can expect congestion across roads leading to the Bandra-Kurla Complex (BKC) from 7 am till late evening. According to leaders, around 2 lakh party workers will congregate at MMRDA grounds.