Complex sentence: On one bus lane, some drivers reported that travel times had more than doubled, and residents reported increased honking and pollution, despite a study by the NYCDOT indicating that there would not be increased traffic for other vehicles.
Split into simpler sentences: On one bus lane, some drivers reported more than double travel time and residents reported increased honking and pollution. This was despite a study by the NYCDOT indicating that there won't be increased traffic for other vehicles.