New Delhi: Heavy rains hampered traffic around many parts of Delhi causing potholes and water logging, which resulted in long tail backs on many arterial roads, on Wednesday evening. A senior traffic police official said that, people made calls to the police and they had received over 2000 complaints of heavy traffic and water logging until 9.50 PM on Wednesday.Commuters faced tough time due to the traffic jams on different stretches and the rain lasted for an hour.Due to demonstrations with vehicles getting stuck for hours, the parliament road was closed for an hour.