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The state wants more data before coughing up its part in the city’s plan to add 100 miles of protected bike lanes. Turi speaks with Brendan Kevenides, the Chicago Bicycle Advocate, about the viability of these lanes, and how to strengthen the half-hearted attempts of bikers, drivers and pedestrians to coexist.

The protected bike lanes on Jackson Blvd. continue as a buffered bike lane beginning east of Ogden Av., with pavement markings instead of a physical barrier between vehicles and bicyclists, Sun., Feb. 10, 2013 in Chicago. This is the intersection of Jackson Blvd. and S. Paulina St. (Chuck Berman/Chicago Tribune)