Straight-laced Swiss officials are to build a series of drive-in sex boxes where hookers can entertain their randy punters without disturbing the peace.

The raunchy lay-bys are coming after thousands of complaints by householders whose homes overlook the thriving red light district in Zurich.

“They get up to all sorts in broad daylight – and we’re sick to death of looking at it,” said one.

Police spokesman Reto Casanova said: “We can’t get rid of prostitution so have to learn how to control it.”