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Missouri Department of Transportation

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Miscellaneous Barrier Systems 

Users Guide:
1) Reverse Impact Treated
2) Twoway Traffic
3) Deck/Structure Required

 

System NCHRP
350 Test
Level
Crash
Cushion
/End Terminal
Used as
L-O-N
(1)
 

System
Width

System
Length
(2)
Engineer's
Estimate for
Installment
% Reusable
or Average
Repair Cost
Max.
Cross-
Slope
Run-Out
Reqd.
(3)
Hazard
Location
1 2 3
R G NR M G R
NEAT TL-2   x x None   3 m
(3' - 10")
$2500-$3000 10%   N/A x   x      
TRITON BARRIER TL-3 x x   All 0.5 m
(2' - 9")
2 m
(78")
(0.8 m /
32" ht.)
$4500 /
10 sections
60% 5% Varies
(4)
Max
deflection =
6.9 m (22.6')
x   x x x  
GUARDIAN
SAFETY
BARRIER
TL-3 x x   All 0.61 m
(2' - 0")
1.83 m
(6' - 0")
$575 /
section
95%   Max
deflection =
3.4 m
(11.15')
x   x x x x
CUSHION WALL N/A x     N/A Custom Custom Variable 100% N/A N/A     x x x  
BARRIERGATE TL-3 x     All .305 m
(1.0')
0.991 m /
section
(3.25')
Variable 50% 4% N/A x     x x  
Barrier Systems, Inc. SafeGuard Gate TL-3 x     All 700mm (28") 8 m (26')

12 m (29')

16 m (52')

$20,000

$22,800

$24,500

98% 4% N/A x   x x x  
Barrier Systems, Inc. SafeGaurd Link System TL-2

 

TL-3

x     All 700 mm(28") 8.5 m (28') $12,000 98% 4% Max Deflection less than 1 m (3')

Max Deflection less than 2 m (6')

x   x x x  
Yodock 2001 with rail attach TL-3 x x   All 0.61 m

(2'-0")

1.83 m

(6'-0")

$525

section

95% 5% Varies Max. Deflection 4.28 m (14') x   x x x  
Yodock 2001M with rail attach TL-2 x x   All 0.61 m

(2'-0")

1.83 m

(6'-0")

$525

section

95% 5% Varies Max. Deflection 3.68 m (12') x   x x x  
OTW Safety MB350 TL-3       All (2'-0") (6'-0") $575 95%   Max
deflection =
11.15
x   x x x  
(1) Use designated length of system as part of required length of need to protect a hazard.
(2) System length does not include transition section required to connect system to guardrail, median barrier or retaining wall.
(3) Based on 62.5 mph.
(4) Depends on site geometric conditions and design speed.
  Crash Cushion/End Terminal Hazard Location
R = Redirectional
G = Gating
NR = Non-Redirectional
M = Median
G = Gore
R = Roadside
 

Additional Comments by Type:

NEAT
Can be connected directly to concrete barrier.

TRITON BARRIER
Minimum length required = 100.6 m (330') (51 sections). Requires 550 liters (145 gal) per section. Effective in sub-freezing conditions.

GUARDIAN SAFETY BARRIER
Minimum length required = 60.5 m (198.5'). Requires 693 liters (183 gal) per section. Effective in sub-freezing conditions.

CUSHION WALL
Protection for retaining walls.

BARRIERGATE
Provides a gate in median barrier for emergency vehicle use.

Barrier Systems, Inc. SafeGuard Gate
Provides a gate in median barrier for emergency vehicle use.  Installs easily, can be opened and closed in minutes, and requires no electrical power to operate.

Barrier Systems, Inc. SafeGaurd Link System
Designed to create a crashworthy, easily moveable longitudinal barrier, or a removable element for temporary concrete barrier openings.  The system is easily moved and can be linked together and pulled as the work zone progresses.

Yodock 2001 with rail attach
Minimum length required = 45.72 m (150')(25 sections) Requires 643 liters (170 gal) per section (max. fill) effective in sub-freezing conditions.

Yodock 2001M with rail attach
Minimum length required = 45.72 m (150')(25 sections) Requires 329 liters (86 gal) per section (max. fill) effective in sub-freezing conditions.

About Us
How Do I...
Contact Us
Missouri Department of Transportation
Central Office
105 W. Capitol Avenue
Jefferson City, MO 65102
1-888-ASK-MODOT (275-6636)
1-866-831-6277 (Motor Carrier Services)
Drivers License Offices
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