The data show about two-thirds of the crashes on I-395 involved northbound drivers heading into the District. With limited safety pull-off areas, incidents on this urban freeway typically cause significant traffic backups. Up to five crashes were recorded on some days. The rate of crashes on this two-mile portion of interstate exceeded one per day, significantly higher than any other portion of road in the region. From the 14th Street Bridge across the Southwest Freeway, nearly 1,700 crashes were logged over the past four years.
The highest frequency of crashes for any single stretch of highway was found on I-395 in the District. Unlike its interstate counterpart to the south, Route 295 between the 11th Street Bridge and Eastern Avenue has short acceleration lanes, tight clover leaf ramps and short service road slip ramps. Route 295 between Pennsylvania Avenue and Benning Road, with the highest concentration occurring near Pennsylvania Avenue. Slightly more than 1,000 crashes were recorded on a section of D.C. About two thirds of these crashes occurred on the Outer Loop. On this section of I-495 in Silver Spring, just under 1,000 crashes were recorded. The third-highest frequency of crashes was observed on the Beltway between Georgia Avenue and Colesville Road. According to the Maryland Department of Transportation, this part of the Beltway averages around 182,000 vehicles per day. In Montgomery County, Maryland, a maximum of 954 crashes was recorded on the curvy section of the Beltway between I-270 and Connecticut Avenue.
Few crashes were reported on I-66 between I-495 and Route 7. The ongoing project associated with the construction of Express Lanes will also add a fifth general-purpose lane for merging near the Beltway.Ī sharp gradient between high and low crash frequency was visualized on I-66 near the Beltway. Most of the crashes happened in the right lanes, and were associated with drivers weaving in and out of the merge lanes for the Beltway. More than 80% of these crashes occurred in the eastbound lanes. The fifth-highest concentration of crashes occurred in Virginia on I-66 between Nutley Street and the Beltway, where a maximum of 862 crashes was recorded. The highest number of crashes within one mile of any point per highway were compared. Business & Finance Click to expand menu.įurther analysis of the data compared total crashes recorded for individual highway segments.
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