Focus Area #1 400
Morrison Lake
Georgia 400 Center Hayn
es B
ridge
360 Tech Village (Proposed) Rd
Lakevie
400
w Pkwy
l P it
m m
Su
Northwinds
Northwinds Summit
Existing Conditions Haynes Bridge Rd and GA 400 Southbound (looking west)
Summit Dr near the iATL (looking west)
Morrison Lake at the Georgia 400 Center (looking west)
Morrison Lake at the Georgia 400 Center (looking west)
Focus Area #1 w1
ie ev Lak
Morrison Lake Loop in
la p d o lo
F r a e 00-Y
w1
1
Planned Artisan Connection
w
360 Tech Village
A Proposed Crosswalk
Haynes Bridge Rd
Morrison Pkwy Spur
Legend
w1 Off-Trail Wayfinding Signage w2 On-Trail Wayfinding Signage
Lakeview Pkwy Alternative
Pk wy
Gateways
G
C
Comfort Station
B
Bike Repair Kiosk
S
Seating
H Water Refill
w1 A
360 Tech Village Spur
Alpha Loop Alpha Loop Connection
Morrison Lake
Haynes Bridge
Artisan
w2
G2
w2 H S B C
w2
G1
A
rth No
Tunnel Crossing Alternative
w1
w
in ds P
kwy
Northwinds Summit
400
Preserve Monument Entry Feature
Elevated Walk
400 0’
Inspiration Imagery
Mirror Lake
Mirror Lake
Katy Trail
Big Creek Greenway
600’
N
Focus Area #1 At-Grade Crossing Notes • Channelized Right-Turn onto SB400 On-Ramp Accommodates a WB-67. • No Right On Red & Right Only Signal Phased Separately From Crosswalk Signal. • If There Are Issues With Yielding Compliance At Raised Crossing, Rectangular Rapid Flashing Beacons Or Right-Turn Signal Control Could Be Added For The Southbound Channelized RightTurn. • Signage: A R1-5 Mod With W1716p Should Be Placed At The Yield Lines At Southbound Channelized Right-Turn.
Where is the bridge? After much exploration, a bridge crossing was considered too costly and complex an option to pursue further due to the height required for clearance over Haynes Bridge Rd, the resulting length of ramp structure, and potential private property impacts required to meet existing grade.
d a Ro
e g rid Pkwy)
B s ew i v e e n k a y L a (To H
Alpha Loop (12’)
Truck Apron To r No w th in ds Su m it
m
Alpha Loop (12’)
d a Ro
M y ap e K
e ) g e g d i d i r
Haynes Bridge @ Northwinds Summit
e A G n ay (To
Raised Crossing
L
ak evie w Pkwy
No
H
ke i B
r
W th
Slip Lane (11’)
s ind Pk
Ha yn es
y
Tunnel Crossing Working Assumptions • Deepest Utility: 36” (16” Water Main) • Min. Clearance From Utility: 36” • Tunnel Width: 15’ • Tunnel Height: 10’ • Depth Of Top Of Tunnel Structure: 2’
d a o R e g )
Non-ADA Compliant Tunnel Entrance
d y i w r k s B iew P
v e e n k a y Ha (To L
Alpha Loop (12’)
Tunnel Entrance
To s
d in hw
rt
No m
m Su
Alpha Loop (12’)
it
Stairwell Conditions • Width: 16’ Total (12’ Trail + 2’ Clearance For Bike Channels, Both Directions) • 12’ Trail: 4’ Bikeways (Both Directions) And 4’ Center Walkway • Riser Height: 6” ; Tread Depth: 12” • Landings Every 5-7.5’ Of Rise (12’ Maximum Rise Per Building Code) • Retaining Wall Depth: 18”
Stairs to Tun n i e v nel o o r G
s to mp Ra 400 GA
B ri dge Road
w
400
r B B s 400
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e ) g e rid idg
B s 40
e A G n ay (To
H
r B 0
to ps Ram 00 4 GA
Tunnel 10’H x 15’W x 221’L
Focus Area #1
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At-Grade
Tunnel
Love it! It’s perfect. I can’t wait to visit!
Like it! It’s good, but it could be better.
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