#interstate 270

Crews have begun turning on ramp metering signals along exits to I-270, in an effort to relieve traffic congestion along one of Maryland's busiest roads. WTOP's Matt Small reports.

In an aim to ease traffic congestion, a new ramp metering system began testing Wednesday in Montgomery County. WTOP's Matt Small reports.

Interstate 55 South at Exit 197 & Exit 196, US 61, US 67 & US 50 Lindbergh Blvd/Interstate 270 & Interstate 255 exits - Mehlville, Missouri, 1999

Interstate 55 South at Exit 199, Reavis Barracks Rd exit - Mehlville, Missouri, 1999

Interstate 55 North at Exit 196, Interstate 255/Interstate 270 exits - Mehlville, Missouri, 1999

2002

Early 2000

Interstate 55 North at Interstate 270/Interstate 255 exits - Mehlville, Missouri, 2000