Government pressure has forced Apple to start rejecting iPhone applications that alert motorists to drunk driving police checkpoints.

The change in policy comes from four U.S. senators who began applying pressure in March to begin removing these apps.

The applications in question provide warnings of DUI checkpoints, speed traps, and red-light cameras. Most of the information is user uploaded and updated by other iPhone and DUI app users.

On Wednesday, Apple began updating its new guidelines with many of the applications in question being removed by Thursday morning. However, some DUI apps were still available; Appleā€™s policy includes giving developers a chance to update their products to conform to new laws and guidelines. 

Apple has declined to comment on the change in guidelines.

Read More at the Mercury News.