When drawing a road in iD, it is sometimes not connected to some other road - for example, one road could pass another without a common node. What should I pay attention to when drawing roads to ensure they are properly connected ?

When drawing a road in iD, it is sometimes not connected to some other road - for example, one road could pass another without a common node. What should I pay attention to when drawing roads to ensure they are properly connected ?

When drawing a road in iD, it is sometimes not connected to some other road - for example, one road could pass another without a common node. What should I pay attention to when drawing roads to ensure they are properly connected ?