whenever changing vector it is a good idea to check behind to see what is happening and if you need to communicate with any road users further back
you would hope people behind you will also be looking forward and that they can appreciate the need to slow down if something is up ahead. but given the number of nodders who undertake at speed without paying attention to parked cars immediately in front i have my doubts about some peoples ability to predict or understand how to move through traffic. there are too many very short sighted road users who just want to race up to the next impediment - the same kind of people who in cars beep at you to get out of their way just so they can tailgate the car in front
whenever changing vector it is a good idea to check behind to see what is happening and if you need to communicate with any road users further back
you would hope people behind you will also be looking forward and that they can appreciate the need to slow down if something is up ahead. but given the number of nodders who undertake at speed without paying attention to parked cars immediately in front i have my doubts about some peoples ability to predict or understand how to move through traffic. there are too many very short sighted road users who just want to race up to the next impediment - the same kind of people who in cars beep at you to get out of their way just so they can tailgate the car in front