How Doesn't This Happen More?

Baltimore Sun

A 32-year-old Howard County police officer working a speed-enforcement detail on Route 32 in Savage was struck by a car and critically injured yesterday.

[...]

Wheeler and two other officers were checking for speeding vehicles traveling east on Route 32 near U.S. 1. Wheeler was attempting to flag down a driver when he was struck by a Nissan Sentra about 2 p.m. He suffered head injuries and was flown to Shock Trauma.

It always looks like a very dangerous practice. Full article here.