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8th Avenue NW/10th Street NW: <br />Operations <br />I-35W North Corridor Preliminary Design Project 4 <br />Existing Construction: <br />No Mitigation <br />Construction: <br />Mitigated <br />AM 15 20 10 <br />PM 50 165 30 <br />Overall Intersection Delay in Seconds <br />Issue: <br />•NBL volume increases ~300 in p.m. peak hour <br />•Excessive delay for NB Approach <br />Mitigation: <br />•Convert NBR turn lane into a shared NBL/NBR lane <br />•Coordinate with signals at I-694 ramp <br />Installation: <br />•MnDOT updates striping and adds arrow placards <br />on mast arm for lane designations <br />•MnDOT paying for coordination and timing <br />Maintenance: <br />•MnDOT and Ramsey County coordinate on signal <br />timing changes required during construction <br />10th St NW <br />8thAve NW