Hundreds of commuters were greeted by gridlocks on Thursday morning, as a head-on collision between a bus and a van on Bijoy Sarani Road triggered traffic jams across Dhaka. The Bijoy Sarani gridlock around 7am saw long tailbacks that eventually spilled over to major roads of the city, hauling traffic on several stretches -- Uttara to Mohakhali and Agargaon to Bijoy Sarani, and in areas such as Mirpur, Bangla Motor and Tejgaon. Also read:Traffic gridlock cripples the Capital after New Market violence The worst hit were the office-goers and school and college students. In some areas, the jams intensified as few motorists tried to reverse their vehicles to reach their destinations fast.