Uptown Transportation Study - OKI

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Planning Study ReportPart B: Interstate 71 Access Improvement Study, PID 776286.2.3.5. Alternative BR-1This alternative consists of two separate interchanges used in tandem, each serving its owncorridor. The ramp configuration of both interchanges is more or less a diamond. Tovirtually eliminate the weaving issues between closely spaced interchanges, the rampsnorthward from Taft/McMillan are braided using a grade separation with the rampssouthward from M.L. King.Similar to Alternatives S-2a and S-3, the ramps connecting to the Taft/McMillan corridor areplaced as far north as possible because of the proximity of the existing ramps to/fromReading Road & Gilbert Avenue and to shorten the braided ramps as much as possible.From M.L. King Drive northward, the ramps could be configured more or less as diamondramps.Some of the existing cross road bridges could be lengthened or reconstructed to permitmobility within the neighborhood, but because of the braided ramp grade separations, theOak Street and Lincoln Avenue bridges would be removed. Possibly one single bridgecould be constructed midway between Taft Road and M.L. King Drive.This alternative would require right of way along each side of I-71 that would benefit theinterchanges but provide little benefit for local mobility.Additional design features include:• The Taft overpass would be two-way, with one-way connections from/to McMillan.• The Taft-McMillan interchange would require two 3-phase signals at ramps.• Oak and Lincoln over I-71 would be removed and replaced by Tuxedo over I-71.• The ML King Drive interchange would require two 3-phase signals at ramps.• Stanton under ML King Drive would be closed and Fredonia over I-71 would beopen.6.2.3.6. Alternative TM-7This alternative includes modifications to the existing interchange at Taft/McMillan to providea full service interchange without a new interchange at Martin Luther King. Representativedesign option is TM-7. TM-3 and TM-6 were rejected earlier in the project primarily becausethey would not have adequate spacing with a new interchange at ML King Drive. The IPoriginally expressed a preference for providing access at both Taft/McMillan and ML KingDrive. Since that time, the IP has indicated that access at either Taft/McMillan or ML KingDrive would be acceptable. Therefore TM-3 and TM-6 could also be deemed feasible andwarrant further analysis in subsequent steps of this project.The ramp configurations of the interchange are controlled by the proximity of the existingramps to/from Reading Road and Gilbert Avenue in the vicinity of Dorchester Street. Inorder to have the required weaving distance between these existing ramps and newTaft/McMillan ramps, the southbound entrance ramp intersection from the Taft/McMillancorridor would be placed near Taft Road, and on the northbound side, the ramp couldintersect directly with McMillan Street. New or improved connector roads would be neededUptown Transportation Study 67URS CorporationNovember 2006
Planning Study ReportPart B: Interstate 71 Access Improvement Study, PID 77628for passage between Taft Road and McMillan Street. Essex Place and May Street serve inthis capacity currently but do not carry significant volumes of traffic and are residential innature.See Section 7 for implementation of these recommended alternatives.Uptown Transportation Study 68URS CorporationNovember 2006
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Uptown Transportation Study - OKI

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