checkpoint
place where travellers, vehicles or goods are generally inspected
weigh station
highway checkpoint to inspect vehicular weights
random checkpoint
temporary military or police roadblock set up in a semi-random location, e.g. to search for contraband or fugitives, or to indentify intoxicated drivers
border checkpoint
place, generally between two countries, where travellers or goods are generally inspected
security checkpoint
checkpoint erected to monitor and control the movement of people and materials