The center lane of eastbound 494 is blocked with a crash at Lyndale Avenue in Bloomington. Traffic is becoming slow and heavy in the immediate area.
Westbound 494 is moving at near the posted speeds.
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The crash, which occurred shortly after 8 a.m., involved as many as six vehicles and had led to the closure of all westbound lanes through the tunnel.
Transportation advocates gathered on the State Capitol steps Wednesday to push legislators to pass a transportation funding bill before the 2017 session ends in about a month.
Police in a number of metro area cities are handing out repair vouchers instead of tickets when they pull over motorists for broken headlights, taillights or turn signals.
On Tuesday, transit advocates will hold a "No Cuts, No Hikes. Fund Transit Now" rally on the Green Line Capitol Station platform to express their concerns about plans they say would cut service by as much as 40 percent and likely bring a 25- to 50-cent fare increase.
The crash occurred about 7:57 a.m. just past the ramp leading to northbound Hwy. 100 and the Park Place-Xenia Avenue exit, and the traffic diversion is expected to last a while.