City of Pass Christian; authorize municipal law enforcement to use one radar speed detection device on U.S. Highway 90.

SB 3108 authorizes the City of Pass Christian, Mississippi, to use a single radar speed detection device on U.S. Highway 90 within its city limits to enforce speed limits. The bill specifically permits municipal law enforcement to operate this device on portions of Highway 90 located inside the city's boundaries. It does not change existing speed limits or create new penalties, only allowing one device for enforcement. This is a procedural authorization with no broader policy changes.