Document 2800020

Crossing Shoulder Pavement
Or Signal And
See Index No. 560
Gate
’
2
1 n.
i
M
Railroad Gate
See Index No. 560
’
2
1 in.
M
Crossing Shoulder Pavement
Railroad Gate
Pavement Edge
Or Signal And
Or Curb
Gate
*
10’ Min.
Centerline Of
Centerline Of
Travelway
Travelway
M edian
*
10’ Min.
Shoulder
Pavement Edge
¡
(Travelway)
Line
4’
*
10’ Min.
4’
¡ Median
Railroad Gate Or
M
in
.
’
2
1 n.
i
M
ONE-WAY
1
0
’
Signal And Gate
Pavement Edge
(Travelway)
TWO-WAY
TWO-WAY
(Mountable Curb
Undivided
Divided Multilane
Or Shoulder)
2 Or 4 Lanes
(Mountable Curb)
SIGNAL PLACEMENT AT RAILROAD CROSSING
Note:
*
10’ Min.
Arrows denote direction of travel not pavement markings.
(2 - LANE DESIGN)
Railroad Gate Or
4.
Type of traffic control device
however, some form of impact attenuation
I Flashing signals
device may be specified for certain
II Flashing signals with cantilever
locations.
III Flashing signals with gate
in
.
Gate Length Requirements
M
No guardrail is proposed for signals;
FIGURE 1
Median
’
2
1 n.
i
M
1.
Signal And Gate
See Note 5 Sheet 3
1
0
’
General Notes
Note:
Two separate foundations may be required (one for signals, one for
IV Flashing signals with cantilever and gate
2.
Advance flasher to be installed when and
gate), depending on type of equipment used.
SIGNAL PLACEMENT AT RAILROAD CROSSING
V Gate
if called for in plans or specifications.
5.
3.
(4 - LANE DESIGN)
Class of traffic control devices
* When 10’ is deemed impracticle the control device can be located as
Top of foundation shall be no higher than
I Flashing signals-one track
close as 2’ from the edge of a paved shoulder but not less than 6’
4" above finished shoulder grade.
II Flashing signals-multiple tracks
from the edge of the near traffic lane.
III Flashing signals and gates-one track
IV Flashing signals and gates-multiple tracks
Varies
Back-To-Back
Flasher Units
Back-To-Back
Varies
Flasher Units
(1 Minimum
Per Crossing)
Paved
2’ Min.
Paved Shoulder
4" Max.
Gates Are
16" Alternate
Used.
Reflectorized
Sides
TYPE II
By
01/01/11
SA
Description
Added description for Lowest Point of Overhead Signal Unit and
changed dimension from 57" Max. to 51" Max. for Types II & IV
Date
G
R
O
S
S
I
N
Gates Are
Used.
27"
Roadway
27"
51" Max.
*
10’ Min.
4" Max.
Travelway
51" Max.
*
10’ Min.
L
Paved
4" Max.
Shoulder
TYPE IV
2010 Interim Design Standard
By
Automatic
15"
Crown Of
TYPE III
REVISIONS
Date
Agency When
9’
-6" M ax.
7’
-6" M in. 12"
12"
Automatic
See FIGURE 1
TYPE I
The Option Of
The Installing
Agency When
Sheeting, Both
Paved Shoulder
Track Signs Is
The Installing
15"
Shoulder
Number Of
TRACKS
Red And White
9’
-6" M ax.
7’
-6" M in.
C
G
S
I
N
I
N
G
12"
9’
-6" M ax.
7’
-6" M in.
17’ M in.
4" Max.
C
R
O
S
C
R
O
S
S
I
N
G
12"
9’
-6" M ax.
7’
-6" M in.
19’M ax.
C
R
O
S
S
Travelway
*
10’ Min.
2
D
A
Roadway
Flasher Units
O
Crown Of
R
27"
Travelway
D
Roadway
A
O
Crown Of
TRACKS
Highway
15"
27"
*
10’ Min.
2
Or Part Nearest
Back-To-Back
The Option Of
R
D
D
15"
Edge Of Background
Track Signs Is
L
L
A
A
O
Travelway
O
R
Roadway
R
L
Crown Of
Approach Width
Number Of
Flasher Units
I
A
L
I
A
1
2
Back-To-Back
R
I
A
R
Flasher Units
Approach Width
I
A
R
Back-To-Back
1
2
R
Per Crossing)
M ax.
Signal Unit
Crossing Bell
M in.
Bell (1 Minimum
Signal Unit
4’
-6"
Of Overhead
Highway
(1 Min. Per Crossing)
3’
-6"
Highway Crossing
Gong Type
Of Overhead
17’ M in.
Lowest Point
Lowest Point
Highway Crossing Bell
19’M ax.
Gong Type
Gong Type
Description
RAILROAD GRADE CROSSING
TRAFFIC CONTROL DEVICES
Interim
Date
01/01/11
Sheet No.
1 of 4
Index No.
17882
Railroad Gate Or
Signal And Gate
Railroad Gate Or
2’
1.
0’
-6’
’
2 .
1 in
M
Sidewalk
2’
2’
0’
-6’
2’
Signal And Gate
The location of flashing signals and stop lines shall be
established based on future (or present) installation of gate
with appropriate track clearances.
Sidewalk
2.
Where plans call for railroad traffic control devices to be
installed in curbed medians, the minimum median width shall
be 12’-6".
10’
10’
¡
¡
Railroad Gate Or
3.
Signal And Gate
Location of railroad traffic control device is based on the
distance available between face of curb & sidewalk. 0’ to 6’ -
4’
between face of curb and sidewalk.
Sidewalk
2’
6’M in.
2’
’
2 .
1 in
M
6’M in.
Locate device outside sidewalk. Over 6’ - Locate device
Sidewalk
4’
4.
Stop line to be perpendicular to edge of roadway, approx.
15’ from nearest rail; or 8’ from and parallel to gate when
present.
Railroad Gate Or
ACUTE ANGLE (AND RIGHT ANGLE)
OBTUSE ANGLE
5.
Signal And Gate
When a cantilevered-arm flashing-light signal is used, the
minimum vertical clearance shall be 17’ from above the
SIGNAL PLACEMENT AT RAILROAD CROSSING
SIGNAL PLACEMENT AT RAILROAD CROSSING
(2 LANES, CURB & GUTTER)
(2 LANES, CURB & GUTTER)
Crown of Roadway to the Lowest Point of the Overhead
Signal Unit.
As A Minimum, Position
One Flasher Unit Over
Lane Separation Lines
(More Than One Flasher
Unit If There Are More
Than 2 Approach Lanes).
Varies
Back-To-Back
Flasher Units
Back-To-Back
(1 Minimum)
Flasher Units
Is The Option
Back-To-Back
Of The
4" Max.
4" Max.
01/01/11
SA
TYPE II
Description
Added description for Lowest Point of Overhead Signal Unit &
changed dimension from 57" Max. to 51" Max. for Types III, IV
& V
TYPE III
Date
S
O
17’M in.
R
7’
-6" M in.12"
12"
See FIGURE 1
REVISIONS
By
Sheeting, Both
Sides
The Installing
Agency When
TRACKS
Automatic Gates
Are Used.
15"
27"
Part
Nearest
Highway
Travelway
4" Max.
4’
-6"
M ax.
51" Max
2’-6"
51" Max
2’-6"
6’ Min.
L
Travelway
16"
2’-6"
Sidewalk
Sidewalk
Min.
4" Max.
See FIGURE 1
TYPE IV
2010 Interim Design Standard
By
51" Max.
Edge Of
Crown Of
3’
-6"
M in.
7’
-6"
M in.
L
Varies
TYPE I
4’
-6"
M ax.
Travelway
Sidewalk
27"
Roadway
24"
3’
-6"
M in.
2’
9’
-6" M ax.
Travelway
Roadway
Red And White
9’
-6"
M ax.
12"
7’
-6" M in.
Varies
Crown Of
19’M ax.
N
I
S
O
S
C
R
19’M ax.
17’ M in.
M ax.
G
G
I
N
O
S
S
R
C
12"
9’
-6"
7’
-6" M in.
Roadway
27"
16" Alternate
Reflectorized
15"
2
Width Min.
Gates Are
Used.
The Option Of
D
And White Sheeting,
Approach
A
D
D
Reflectorized Red
1
2
O
A
O
A
O
Crown Of
Automatic
TRACKS
16" Alternate
15"
Agency When
Tracks Signs Is
R
R
Part Nearest Roadway
Both Sides
5’ Min.
Sidewalk
Edge Of Background Or
Installing
L
L
R
Width
15"
Travelway
Approach
G
N
I
S
S
O RO
R
A
C
D
2
Number Of
Flasher Units
I
A
I
A
L
1
2
L
I
A
R
R
I
A
R
Flasher Units
Date
Back-To-Back
R
Number Of
Tracks Signs
Back-To-Back
Roadway
Per Crossing
G
Signal Unit
N
Highway Crossing Bell
I
Overhead
S
Gong Type
Per Crossing)
Crown Of
Per Crossing
Lowest Point Of
C
Bell (1 Minimum
Bell (1 Minimum)
Signal Unit
9’
-6" M ax.
Highway Crossing
Highway Crossing
Of Overhead
Varies
Gong Type
Gong Type
Lowest Point
Flasher Units
Description
RAILROAD GRADE CROSSING
TRAFFIC CONTROL DEVICES
4" Max.
6’ Min.
TYPE V
Interim
Date
01/01/11
Sheet No.
2 of 4
Index No.
17882
RAILROAD CROSSING AT
NG AT
LROAD CROSSI
RAI
TWO (2)-LANE ROADWAY
LANE ROADWAY
MULTI
St
op BarPer
pen
d
i
cu
l
ar
Stop Bar Perpendicular
To Edge OfTr
avel
Way
to Edge Of Travel Way
Or8’
Fr
om
Or 8’ From & Parallel To
& Par
al
l
el
To Gat
e Wh
en Pr
es
en
t
.
RELATIVE LOCATION OF CROSSING TRAFFIC
CONTROL DEVICES
8’-0"
Gate When Present.
Gate Or
Flashing Signal
With Gates
24" White
Pavement
Message
White
24" White
8’
Future Gate
DO NOT
STOP
ON
See Note 5
TRACKS
Min.
12’
4’
6" Dbl. Yellow
6’
8’
Stop Line
R8 - 8
20’
10’
6’
- 0"
8’
10’
For Use Near
Signalized
Flashing Signal
12’
Intersections
C
L Of Lane
(If Not with Gate)
12’
6" Dbl Yellow
Edge Of
Travel way
See Note 5
10’
Min.
Future
4’
8’
Gate
Location
16"
12’
10’
12
’
As Required
8’
Railroad Protection
Device Is Not To Be
24" White
Located Within 12’
Of The RR Center
24" White
Line.
24" White
24" White
A
20’
NOTES:
1. When computing pavement message, quantities do not include
12"
20’
traverse lines.
2. Placement of sign W10-1 in a residential or business district, where
A
50’
of 100’ from the crossing.
50’
6’
low speeds are prevalent, the W10-1 sign may be placed a minimum distance
20’
Where street intersections occur between
the RR pavement message and the tracks an additional W10-1 sign and
additional pavement message should be used.
3. A portion of the pavement markings symbol should be directly opposite
the W10-1 sign.
R
20’
R
W10-1
R
R
4. Recommended location for FTP-61-06 or FTP-62-06 signs, 100’ urban and
300’ rural.
See Index 17355 for sign details.
6’
20’
6’
6" Dbl. Yellow
20’
12
’
Location
W10-1
5. Gate Length Requirements:
24" White
For Two-way undivided sections:
The gate should extend to within 1’ of the center line. On multiple
24" White
approaches the maximum gate length may not reach to within 1’ of the
center line.
For those cases, the distance from the gate to the center line
shall be a maximum of 4’.
SPEED
MPH
" A "
IN FT.
60
400
55
325
50
250
For one-way or divided sections:
The gate shall be of sufficient length such that the distance from the
gate tip to the inside edge of pavement is a maximum of 4’.
45
175
40
125
35
100
URBAN
4"
2010 Interim Design Standard
85 MIN.
RAILROAD GRADE CROSSING
TRAFFIC CONTROL DEVICES
Interim
Date
Sheet No.
07/01/10
3 of 4
Index No.
17882
12’-5" Min.
1’
R
12’M in.
C
Crown Of Roadway
S
50’M in.
3’
-6" M in.
4’
-6" M ax.
White
D
16"
A
16"
O
90
R
O
S
L
Red
I
I
"C"
N
A
"B"
R
1’
"A"
G
Red Flashing Lights
Si
dewal
k
Red Steady Burn
Sidewalk
Specified Length Of Gate Arm
Travel Way
18"
18"
51"
Max.
27"
(Std.)
Varies
(2’-6"
Min)
PLAN
RAILROAD GATE ARM LIGHT SPACING
Type F Curb
6" Min. Height
Specified Length
Of Gate Arm
Dimension
"A"
Dimension
"B"
Dimension
"C"
14 Ft.
6"
36"
5’
15 Ft.
18"
36"
5’
16-17 Ft.
24"
36"
5’
Control Devices", Part 8; The "Traffic Control Handbook" , Part VIII;
18-19 Ft.
28"
41"
5’
and AASHTO "A Policy On Geometric Design Of Streets And Highways".
28"
4’
5’
24-28 Ft.
28"
5’
5’
29-31 Ft.
36"
6’
6’
32-34 Ft.
36"
7’
7’
35-37 Ft.
36"
9’
9’
38 And Over
36"
10’
10’
MEDIAN SECTION AT SIGNAL GATES
20-23 Ft.
NOTE:
For additional information see the "Manual On Uniform Traffic
MEDIAN SIGNAL GATES FOR
MULTILANE UNDIVIDED URBAN SECTIONS
(THREE OR MORE DRIVING LANES IN ONE DIRECTION, 45 MPH OR LESS)
REVISIONS
Date
By
01/01/10
SA
Description
Updating dimensions and striping on gate arm per MUTCD
Date
2010 Interim Design Standard
By
Description
RAILROAD GRADE CROSSING
TRAFFIC CONTROL DEVICES
Interim
Date
01/01/11
Sheet No.
4 of 4
Index No.
17882