#45, I-270, St. Louis
Weekly hours of bottleneck congestion: 89
Worst bottleneck: Southbound, Dougherty Ferry Rd/Exit 8
Length of worst bottleneck: 1.26 mi
Weekly hours of congestion on worst bottleneck: 15
Speed of worst bottleneck when congested: 24.5 mphCommuter Buzz: “Replacement of the current design with the diverging diamond interchange will not only improve the flow of traffic along the 270-70 corridor, but it will also be a national example of innovation in highway safety and design,” Maryland Heights Councilwoman Mary Nichols told the St. Louis Post-Dispatch.
Fortunately, my daily commute on I-270 is north of Exit 8, plus I’ve chosen my work hours to avoid the worse of the traffic.