A vehicle fire on the Zakim Bridge closed Interstate 93 South for a time on Tuesday night, causing traffic backups for late-night drivers. The vehicle caught fire just after 11 p.m., right before ...

Now, such an undertaking would presumably be at least slightly less ambitious than the Big Dig, which buried the entire Central Artery and spawned the Zakim Bridge over a period that spanned ...

In Greater Boston, Interstate 93 south between the Zakim Bridge and Route 3 ranked among the top 10 busiest US corridors, coming in seventh. And far more people are traveling in the middle of the ...