diverging diamond interchanges - Kentucky Transportation Cabinet
diverging diamond interchanges - Kentucky Transportation Cabinet diverging diamond interchanges - Kentucky Transportation Cabinet
Upgraded vs. Diverging Diamond Upgraded Bridge widening 2-lane entrance ramps 3-lane exit ramps LOS C ~$13M DDI Maintains bridge width 2-lane entrance ramps 2-lane exit ramps LOS C and B ~$8M DIVERGING DIAMOND INTERCHANGES ASHE 2010 National Conference June 9-13, 2010
Why the DDI? Increased safety Less conflict points Better traffic operation Cheaper Bridge maintained Less ramp lanes DIVERGING DIAMOND INTERCHANGES ASHE 2010 National Conference June 9-13, 2010
- Page 39 and 40: MoDOT’s Lessons Learned HORIZONTA
- Page 41 and 42: MoDOT’s Lessons Learned HORIZONTA
- Page 43 and 44: MoDOT’s Lessons Learned HORIZONTA
- Page 45 and 46: MoDOT’s Lessons Learned HORIZONTA
- Page 47 and 48: MoDOT’s Lessons Learned SIGHT DIS
- Page 49 and 50: MoDOT’s Lessons Learned SIGHT DIS
- Page 51 and 52: FHWA/MoDOT’s Lessons Learned OTHE
- Page 53 and 54: FHWA/MoDOT’s Lessons Learned OTHE
- Page 55 and 56: Concluding Remarks DIVERGING DIA
- Page 57 and 58: Reference Materials: TECHNICAL DI
- Page 59 and 60: Reference Materials: TECHNICAL
- Page 61 and 62: Reference Materials: DOTS / PROJECT
- Page 63 and 64: Reference Materials: DOTS / PROJECT
- Page 65 and 66: CASE STUDY: I-75 BOONE COUNTY, KY 2
- Page 67 and 68: Boone County Union Mt. Zion Rest Ar
- Page 69 and 70: Existing Geometry Description I-71/
- Page 71 and 72: Public Involvement The project tea
- Page 73 and 74: Alternatives No Build 1 - Additiona
- Page 75 and 76: Traffic Comparison LOS C = Desire
- Page 77 and 78: Construction Cost Traditional Wide
- Page 79 and 80: Design Lessons Learned DDI’s typ
- Page 82 and 83: CASE STUDY - IR 480/TIEDEMAN RD. 20
- Page 84 and 85: Existing Conditions N 5-lane wide
- Page 86 and 87: Future Traffic Volumes DIVERGING DI
- Page 88 and 89: SPUI N DIVERGING DIAMOND INTERCHANG
- Page 92 and 93: Preliminary DDI Layout N DIVERGING
Upgraded vs. Diverging Diamond<br />
Upgraded<br />
Bridge widening<br />
2-lane entrance ramps<br />
3-lane exit ramps<br />
LOS C<br />
~$13M<br />
DDI<br />
Maintains bridge width<br />
2-lane entrance ramps<br />
2-lane exit ramps<br />
LOS C and B<br />
~$8M<br />
DIVERGING DIAMOND<br />
INTERCHANGES<br />
ASHE 2010 National Conference<br />
June 9-13, 2010
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