http://news.bbc.co.uk/1/shared/spl/hi/middle_east/03/w_bank_checkpoints/html/default.stm
The West is so humanitarian, according to the BBC:
"As a humanitarian measure, the army erects corrugated metal shelters at some permanent checkpoints to protect waiting Palestinians from the summer sun and rain in winter."
Which means at the "other" human cattle checkpoints, _inhumanitarian_ measures are in force.