Dec. 16, 1961: The first, three-mile section opens, from Charles Street at Oliver to Falls Road. An ice storm that evening leads to the first accident on the road.
Baltimore planner George Kostritsky slams highway designers for eschewing a parkway in favor of "a useful but hideous concrete ribbon."
Dec. 26, 1962: First fatal accident on the JFX occurs just north of the city line.
July 14, 1968: Mayor Thomas D'Alesandro III and highway planners label the JFX obsolete. Early projections of a daily capacity of 200,000 vehicles prove wildly optimistic. Even a quarter of that number at rush hour can cause gridlock. (Today, about 100,000 motorists squeeze onto its lanes daily.)
September 1982: Highway planners shelve a proposal to extend the highway from Pleasant Street to I-95. It is considered too disruptive and too expensive.
December 1985: Work begins on a $165 million face lift. The three-year project enrages commuters. Transportation officials try to jolly the public with a bumper-sticker and billboard campaign: "JFX *#@! Driving you crazy for a while."
Sept. 7, 1987: City police begin a two-month blitz to curb speeding. The final tally: 1,995 tickets.
June 4, 1991: A mayoral commission recommends tearing down a section of the JFX to open up a "new frontier" for development on the city's east side. The proposal is deemed too expensive.
Sept. 20, 1998: Officials close off a three-mile section of the JFX for three hours. More than 5,000 bicyclists, rollerbladers and joggers enjoy the first-ever event.
March 9, 2005: Civic leader Walter Sondheim proposes replacing a portion of the JFX with an extension of President Street. The idea is labeled too expensive.
May 2009: The city hires Rummel, Klepper & Kahl LLP to examine the pros and cons of razing the JFX between Chase and Fayette streets and replacing it with a landscaped "urban boulevard."
Dec. 30, 2009: City officials close down the homeless encampment below the JFX, between Madison and Read streets.
June 21, 2011: Officer Teresa Rigby survives a 25-foot fall from the JFX to a parking lot below after a car strikes her police cruiser, which catapults her over the concrete Jersey barrier. She has not returned to duty.