SUPERELEVATION - RURAL HIGHWAYS, URBAN FREEWAYS AND HIGH SPEED URBAN HIGHWAYS

Straight Line Superelevation
SLOPE RATIOS FOR
Transition L (Varies, 100’ Min.)
Straight Line Superelevation Transition
SUPERELEVATION TRANSITIONS
Normal Crown
Superelevation Slope
Full Superelevation
0.8 L
45-50
d
Of Curve
55-60
Tangent
1:200
1:225
1:250
6 Lane
1:160
1:180
1:200
8 Lane
1:150
1:170
1:190
4 Lane
Outside Edge Of Pavement
C
A
*
& Profile Grade
*
the travel way edge of pavement and the
*
*
Outside Edge Of Pavement, Outer Roadway
Superelevated Pav’t.,
Inside Edge Of Pavement, Both
Outer Roadway
Roadways & Profile Grade
Hold Normal Cross Slope On
Inside Half Of Pavement
Straight Line
Normal Pavement Slope
PROFILES
Pavement Width
W
¡
2
Profile Grade
W ¡
2
See SHOULDER CONSTRUCTION
WITH SUPERELEVATION
Pavement Width
Point
Pavement Width
Median
0.
05
THESE TRANSITION DETAILS ARE TO
Profile Grade Points
0.06 (Or Steeper To
Match Pavt. Slope)
0.05 (Or Steeper To
Match Pavt. Slope)
Slope As Indicated
1. Curves of insufficient length.
FULLY SUPERELEVATED
SECTION BB
0.
06
THE FOLLOWING CONDITIONS:
Match Pavt. Slope)
REVERSE CROWN
0.06 (Or Steeper To
05
0.
06
0.
APPLY IN ALL CASES, EXCEPT UNDER
0.
06
SECTION AA
Full Superelevation
L2 (Varies, 100’ Min.)
Profile Grade Points
See SHOULDER CONSTRUCTION
2
Point
NORMAL CROWN
0.2 L2
PROFILES
W
WITH SUPERELEVATION
W
B
2
Profile Grade
Point
W
W
W
W ¡ W
2
2
Pavement Width
Pavement, Inner Roadway
Superelevation Transition
Edge Profiles
On Inside Edge Of Pavt.
Curve
Tangent
0.8 L2
Short Vertical Curves Are To Be Used On
Construction To Avoid Angular Breaks In
Straight Line Transition
Outside Edge Of
Inner Roadway
d
A
*
*
1
length of transition shall be 100 ft.
C
Superelevated Pav’t.,
*
Pavement Edges
Inside Edge Of Pavement
*
B
A
Outside
profile grade, except that the minimum
1
d
06
0.
B
be determined by the relative slope between
Pavement Rotated About ¡
Profile Grade
Curve
1
The length of superelevation transition is to
Pavement Edges
Pavement Width
d
Inside Pavement Edges
*
Full Superelevation
0.2 L2
0.8 L1
2 Lane &
1
Profile Grade
Pavement To Superelevation Slope
65-70
1 : d
Curve
PC Or PT
B
Centerline &
SECTION
0.2 L
Tangent
A
L1 (Varies, 100’ Min.) From Normal
Normal Pavement Slope
DESIGN SPEED, MPH
Of Curve
Normal Crown Slope To
PC Or PT
Outside Half Of Pavement From
See SHOULDER CONSTRUCTION
On Plans
2. Insufficient tangent length between curves.
WITH SUPERELEVATION
3. Deficient transition distance between a curve
SECTION CC
and other control point(s).
4. At PCC’s or PRC’s (Runoff rates are applicable).
2-LANE, 4-LANE OR 6-LANE PAVEMENT, NO MEDIAN
NORMAL SECTION
FULLY SUPERELEVATED
SECTION AA
SECTION BB
4-LANE OR 6-LANE PAVEMENT WITH MEDIAN
Transitions for these exceptions are to be as detailed in the plans.
SUPERELEVATION TRANSITIONS
30
40
45/50
55
60
65
70
the pavement. As the pavement superelevation
015’
NC
NC
NC
NC
NC
NC
NC
increases, the 0.07 break in slope will be maintained
030’
NC
NC
NC
NC
RC
RC
RC
045’
NC
NC
RC
RC
0.023
0.025
0.028
100’
NC
NC
0.021
0.025
130’
NC
0.021
200’
RC
(D)
and the shoulder flattened until the shoulder slope
reaches the minimum of 0.02 downward from the
edge of pavement. Any further increase in pavement
outer half outward, both at 0.02 for superelevations
0.06-0.09 and both at 0.03 for superelevation 0.10.
inside shoulder until pavement cross slope reaches
See Table
Pavement (Rate Of 0.05
S
Or Flatter)
Shoulder Width
S
Shoulder Slope 0.06
(0.05 For Medians)
SHOULDER ON LOW SIDE: Maintain 0.06 drop across
Until Pavt. Cross Slope
Shoulder Slope Not
Note: Algebraic Difference In
FlatterThan 0.02 Nor
Cross Slope Not To Exceed 0.07
Steeper Than 0.06
Reaches That Rate
0.06. For pavement cross slopes greater than 0.06,
shoulder to have same slope as pavement.
Superelevated
Pavement (Rate
rd960rh
These slopes are the same as those shown pictorially
S
on sheet 2.
Steeper Than 0.05)
S
S
2
S
2
Shoulder Slope
Note: Algebraic Difference In Cross
HIGH SIDE Notation
10:
23:
43 AM
These details apply to both paved and grassed
shoulders. For median shoulders use 0.05 in
Round
lieu of 0.06.
0.08
0.07
0.06
600
700
800
900
1000
1100
1200
1300
1400
1500
2000
.=
x
a
’
15
6
0.08
8
=
.
x
a
0.05
0.07
30
V=
=
x.
ma
D
24
’
45
0.06
0.05
0.04
0.04
V=Design Speed
0.03
0.03
0.02
0.02
e
=0.10
MAX.
See Table
To Left
0.01
0.01
0
0
1
2
3
4
5
6
7
8
9
10
0
DEGREE OF CURVE
GENERAL NOTES:
1. For curves in Urban Highways and high speed Urban Streets, see Index No. 511.
SHOULDER CONSTRUCTION WITH SUPERELEVATION
6/28/2012
0.09
’
0
3
’
15
’
10
m
15
=
.
D
5
13
5
ax
=
0
.
Dm
5
ax
=
m
5
D
V
4
=
40
V
V=
Shoulder Slope to Match Pavt. Slope For Pavt.
Slopes Greater Than 0.06 (0.05 For Medians)
’
5
1
5
m
D
See SHOULDER ON
Slope Not To Exceed 0.07
NOTE:
2500
’
Superelevated
Shoulder Width
0.10
0.09
To Right
superelevation will necessitate sloping the inside
half of the shoulder toward the pavement and the
0.10
SUPERELEVATIO N RATE (e)
pavement edge is reached due to superelevation of
3000
MPH
CURVE
4000
OF
maintained until a 0.07 break in slope at the
70
V
Dm
=
6
ax
5
.=
V
=
D
3
6
m
0
ax
3
0
V
.
’
D
=
=
4
m
a
1
x
5
.
=
downward from the edge of pavement will be
V=
DESIGN SPEED, V
SUPERELEVATIO N RATE (e)
C:
\d\projects\standards\roadway\00500-s\00510-01.
dgn
DEGREE
5000
RADIUS OF CURVE - FEET
SHOULDER ON HIGH SIDE: A shoulder slope of 0.06
LAST
REVISION
00
REVISIO N
DESIGN SUPERELEVATION RATES FOR RURAL HIGHWAYS, URBAN FREEWAYS AND HIGH SPEED URBAN HIGHWAYS
DESCRIPTION:
INDEX
FDOT DESIGN STANDARDS
SUPERELEVATION - RURAL HIGHWAYS, URBAN
2013
FREEWAYS AND HIGH SPEED URBAN HIGHWAYS
NO.
510
SHEET
NO.
1
Superelevation Transition L1 (Varies 100’ Min.)
Full Superelevation
Straight Line Transition Outside Edge Of Pavement
Outer Roadway
0.8 L1
0.2 L1
Tangent
Curve
A
C
D
Of Curve
0.
03
Outer Roadway
P.C. Or P.T.
D4
Crown Point
Shoulder
03
0.
Outside Pav’t Edge
F
E
B
Travel Way
Crown Point
Outer Roadway
Both Roadways
D3
Profile Grade
D1
10
0.
02
0.
0.
02
09
0.
02
0.
0.
02
08
0.
02
0.
0.
02
02
0.
0.
02
07
0.
06
0.
D2
05
0.
D3
0.
02
Outside Pav’t
Crown Point
Edges-Both
A
Roadways
D4
B
C
04
0.
0.
03
03
0.
0.
04
Inner Roadway
D
2
0
.
0
L1 = S (D2 + D4)
L2
L3
E
L2 = S (D3 - D2)
0.8 L4
L3 = S (D4 - D3)
Tangent
L4 = L2 + L3
S=SLOPE RATIO
Outside Pav’t Edge
F
0.2 L4
Inner Roadway
0.
05
1
0
.
0
0.
06
0.00
0.
06
Curve
Superelevation Transition L4 (Varies 100’ Min.)
Full Superelevation
Straight Line Transition Outside Edge Of Pavement
Inner Roadway
0
.
0
1
0.
06
0
.
0
2
0.
06
0.
03
Median
D1
W/4
0.
O4
W
W/4
D1
W
0.
06
0.
06
0.
05
W
C:
\d\projects\standards\roadway\00500-s\00510-02.
dgn
Profile Grade
D2
D2
D3
0.
06
0.
06
0.
07
0.
06
0.
08
SECTION A-A
NORMAL CROWNED SECTION
SECTION B-B
SECTION C-C
SUPERELEVATION SECTION LT. & RT.
0.
07
0.
09
0.
08
SUPERELEVATION SECTION LT.
PLANE INCLINED SECTION RT.
0.
10
0.
09
0.
10
W
W
Median
W
SLOPES OF TRAVELED WAY
Profile Grade
AND ABUTTING SHOULDERS
D4
D3
SHOULDER SLOPES ON
rd960rh
D4
10:
23:
46 AM
SECTION D-D
SECTION E-E
PLANE INCLINED SECTION LT.
SUPERELEVATION TRANSITION LT.
SUPERELEVATION TRANSITION RT.
FULL SUPERLEVATION RT.
SUPERELEVATION SECTIONS
SECTION F-F
FULL SUPERELEVATION LT. & RT.
LAST
REVISION
00
REVISIO N
6/28/2012
8-LANE PAVEMENT WITH ONE LANE SLOPED TO MEDIAN
DESCRIPTION:
INDEX
FDOT DESIGN STANDARDS
SUPERELEVATION - RURAL HIGHWAYS, URBAN
2013
FREEWAYS AND HIGH SPEED URBAN HIGHWAYS
NO.
510
SHEET
NO.
2