Roughly speaking, and dependent on angle of mirrors, bars level with front of cab, head below main nearside mirror, is probably the most dangerous place to be. If we as cyclists need to come down the inside of a lorry always make sure you stop in front of the cab, give the driver a look, if stopping further back make sure you can see the driver in the main mirror, if you can see him, he can see you.
Roughly speaking, and dependent on angle of mirrors, bars level with front of cab, head below main nearside mirror, is probably the most dangerous place to be. If we as cyclists need to come down the inside of a lorry always make sure you stop in front of the cab, give the driver a look, if stopping further back make sure you can see the driver in the main mirror, if you can see him, he can see you.