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RO
AD
SID
E
10:1 TAPER
*
15’
15’
*100’
1
3’
3’
1
THROUGH HIGHWAY
W = SHOULDER WIDTH
OR 5’ MIN.
O
65-70
71-80
81-90
101-110
35
40
40
50
60
70
70
60
55
45
R R1 2O
CONCRETE CURB & GUTTER 36". TAPER CURB HEIGHT*
R1
R2
OF EACH APPROACH ROADWAY.
ONE COMPLETE INTERSECTION DEPENDING UPON INTERSECTION ANGLE AND SURFACING
DESIGNS MAY BE USED INTERCHANGEABLY IN COMBINATION OR SEPARATELY FOR ANY
SIDE ROAD SURFACING NOTE
PAVEMENT.
THE LIMITS OF DESIGN AS SHOWN AND BEYOND, IF NECESSARY, TO MEET EXISTING
WHEN THE SIDE ROAD IS PRESENTLY PAVED, NEW PAVEMENT SHALL BE PLACED TO
SHALL BE THE SAME AS FOR THE PROJECT.
WHEN THE SIDE ROAD IS THE CONSTRUCTION PROJECT, THE INTERSECTION SURFACING
1
RO
AD
SID
E
10:1 TAPER
*
*
1
1
R1
R2
THROUGH HIGHWAY O
10W
W
15W
W
NOTE:
RADII DIMENSIONS FOR TYPES
15’
15’
WHEN THE SIDE ROAD IS NOT PRESENTLY PAVED, PAVEMENT SHALL BE PLACED TO
THE LIMITS SHOWN UNLESS OTHERWISE PROVIDED IN THE CONTRACT. WHERE THE
CONSTRUCTION LIMITS ARE BEYOND THE PAVING LIMITS, CRUSHED AGGREGATE SURFACING
SHALL BE PLACED BETWEEN THE PAVING LIMITS AND CONSTRUCTION LIMITS.
91-100
"B1", "B2", "C" AND "D" INTERSECTIONS
SID
E
RO
AD
325’ 100’
THROUGH HIGHWAY
150’ 217’
RO
AD
SID
E
10:1 TAPER
R1
R2
THROUGH HIGHWAY O
10W
W
15W
W
15’
15’
3’W = SHOULDER WIDTH
THIS CONTROL LINE IS ESTABLISHED
BY A 10:1 TAPER EXTENDED FROM
3’
2
2
A
(SHOWING BYPASS LANE AND SHOULDER)
THE BACK OF THE CURB END LOCATED
FARTHEST FROM THE THROUGH HIGHWAY.
THIS CONTROL LINE IS ESTABLISHED
BY A 10:1 TAPER EXTENDED FROM
THE P.C. LOCATED FARTHEST FROM THE
THROUGH HIGHWAY.
THIS CONTROL LINE IS ESTABLISHED
BY A 10:1 TAPER EXTENDED FROM
THE BACK OF THE CURB END LOCATED
FARTHEST FROM THE THROUGH HIGHWAY.
BYPASS LANE
4
3
LANE WIDTH
LANE WIDTH
DEPARTMENT OF TRANSPORTATION
STATE OF WISCONSIN
66
INTERSECTION BYPASS LANE
"C" AND "D" AND TEE
INTERSECTION, TYPES "B1", "B2",
AT-GRADE SIDE ROAD
300’ (TYPE B1)
200’ (TYPE B2)
GENERAL NOTES
TYPE "B1" AND "B2"
TEE INTERSECTION BYPASS LANE DETAIL
SECTION A-A
TYPE "D"
TYPE "C"
EXISTING PAVED SURFACE
PROVIDE CURB OPENING AND FLUME.
SECTIONS. WHEN SPECIFIED ELSEWHERE IN THE CONTRACT,
0" TO 6" IN 10’-0" LENGTH AT ENDS OF CURB & GUTTER
(2’ PAVED)
3’ SHOULDER
3’ SHOULDER
12.5:1 TAPER
10-FT TYPICAL.
-ASPHALT = 12-FT PLUS PAVED SHOULDER WIDTH.
AS SHOWN ELSEWHERE IN PLANS
THROUGH HIGHWAY SHOULDER
IN PLANS)
(AS SHOWN ELSEWHERE
THROUGH HIGHWAY SHOULDER
(AS SHOWN ELSEWHERE IN PLANS)
THROUGH HIGHWAY SHOULDER
WITH CURB & GUTTER
A TYPE "C" INTERSECTION
TYPE "D" INTERSECTION IS
CL THROUGH
HIGHWAY
WIDTH
LANE
SURFACE WIDTH
PAVED
BYPASS
LANE
CA SHOULDER = 2’
SHOULDER
PAVED 4
OR 5’ MIN.
2
PROJECTS IF SPECIFIED IN THE CONTRACT.
**10-FT MAY BE USED ON TYPE B2 ON RESURFACING
THROUGH HIGHWAY.
OF 1-FT OR THE PAVED SHOULDER WIDTH OF THE
BYPASS LANE PAVED SHOULDER WIDTH = THE GREATER
OF TRAVEL LANE
BYPASS LANE PAVED SURFACE WIDTH OUTSIDE
3
S.D.D. 9
A
1-13a
S.D.D. 9
A
1-13a
SHOULDER
3
SHOWN ELSEWHERE IN THE PLAN.
12-FT** PLUS ADDITIONAL WIDTH FOR BIKE LANE IF
WIDTH.
-PC CPNCRETE = 13-FT PLUS PAVED SHOULDER
SDD 9a1-a At-Grade Side Road Intersection, Types B1, B2, C and D and Tee Intersection Bypass Lane
At-Grade Side Road Intersections
Version 13 Standard Detail Drawing 9a1 (sheet a) December 21, 2012
At-Grade Side Road Intersection, Types B1, B2, C and D and Tee Intersection Bypass Lane
References:
FDM 11-25-1
Bid items associated with this drawing:
ITEM NUMBER DESCRIPTION UNIT
416.1010 Concrete Surface Drains ..................................................................................... CY 465.0315 Asphaltic Flumes ................................................................................................. SY 601.0413 Concrete Curb & Gutter 30-Inch Type G ............................................................. LF 601.0415 Concrete Curb & Gutter 30-Inch Type J .............................................................. LF 305.0110 - .0135 Base Aggregate Dense .......................................................................... TON or CY 205.9010.S Grading and Shaping Intersection (location) ....................................................... LS 205.9015.S Grading Shaping and Finishing Intersection (location; var. pavements) ............. LS 601.0555 Concrete Curb & Gutter 6-Inch Sloped 36-Inch Type A ...................................... LF 601.0557 Concrete Curb & Gutter 6-Inch Sloped 36-Inch Type D ...................................... LF
Standardized Special Provisions associated with this drawing:
STSP NUMBER TITLE
205-010 Grading and Shaping Intersection (location) 205-015 Grading Shaping and Finishing Intersection (location) Use these provisions if the work is not covered under standard grading bid items.
Other SDDs associated with this drawing:
SDD 8d1 Concrete Curb, Concrete Curb & Gutter and Ties
SDD 8d4 Concrete Surface Drains & Asphaltic Flumes
SDD 9a1 At-Grade Side Road Intersection sheet "b" is required.
SDD 13c16a& b Detail for Right Turn Lane/ Tee Intersection Bypass on a Concrete Road
Design Notes:
See FDM 11-25-1 for selection criteria for Types B1, B2, C and D Intersections and Tee Intersection Bypass Lane.
These intersection designs will accommodate the turning of the WB-50 design vehicle; however, the WB-50 vehicle turning right into or from the Type C intersection will encroach into the opposing traffic lane.
Special evaluation and modification of these intersection details may be warranted for major intersections on designated long truck routes to accommodate the WB-65 design vehicle.
Full-width turn lane lengths apply to both left turn lanes and right turn lanes for traffic entering the same side road leg of the intersection. Provide a longer turn lane based on needed storage to accommodate queuing Design Hour Traffic, or there is a high volume of truck turning movements.
The Type B1 and B2 design do not apply when the side road is on curved alignment at the intersection. For this situation extend the full width curbed cross-section 50 feet minimum into the curve. Provide special details.
Specify sod, topsoil or salvaged topsoil and seed & fertilize to a 3'-0" width in back of the curb & gutter sections.
If curb & gutter is built under a separate contract from the grading work, the designer must specify who is responsible for backfilling the two feet behind the curb & gutter.
Use SDD 13C16 in conjunction with this sheet if the roadway is PC concrete pavement.
Contact Person:
Bruce Jorenby (608) 266-3207
6’
100’
*
50’ R
1
50’
SID
ER
OA
D
3’
100’
12’
1
*
THROUGH HIGHWAYO
T
1’-6" R
TYPE "G" OR "J"
CONCRETE CURB
* CONCRETE CURB & GUTTER 36". TAPER CURB HEIGHT 0" TO 6" IN 10’-0"
LENGTH AT ENDS OF CURB & GUTTER SECTIONS. WHEN SPECIFIED ELSEWHERE IN
100’ R
90°
.
..
.
.
. .
..
.
.
.
.
.
.
.
.
..
.
.
.
.
..
.
.
.
.
..
.
.
. .
.
.
.
.
BASE COURSE
CRUSHED AGGREGATE
2"2’-0"PAVEMENT
6"
.
..
100’ R
(TO BE CONSTRUCTED AT ALL ISLAND CORNERS)
2’-6"R
CORNER DETAIL
SEE ISLAND
SURFACE
ISLAND
THE CONTRACT, PROVIDE CURB OPENING AND FLUME.
60
75
80
O
VARIABLE SIDE ROAD INTERSECTION ANGLES
A
B
C
A B C AB AC
LENGTH IN FEETXY
ANGLE
DEGREES
(INTERPOLATE VALUES FOR ANGLES NOT SHOWN)
-14.0
12.7
T
44.9
-12.0
46.4
-72.4
205.0
0.0 -12.0
64.0
-75.5
85.0
-147.132.3 67.4 4.9 85.9 169.9
6510.9
-14.0
39.0
-12.0
37.8
-71.6
196.1
0.0
95.7
-12.0
54.1 70.5
-151.38.5 80.9 166.928.2 63.6
709.4
-14.0
33.9
-12.0
29.8
-70.1
188.3
0.0
87.8
-12.0
45.6 56.124.6 59.7 11.5 76.1 164.1
7.9
-14.0
29.3
-12.0
22.3 181.2
0.0
80.7
-12.0
38.2
-63.4
41.8
-155.921.5 55.8 13.8 71.4 161.4
6.5
-14.0
25.4
-12.0
15.6
-65.2
174.8
0.0
74.4
-12.0
31.8
-59.3
27.6
-156.518.9 52.0 15.6 66.9 158.9
OHOJHGFE
-67.5 -154.2
-67.9
COORDINATES IN FEET
(MEASURED FROM POINT "O")
D
41.9
39.4
37.4
35.7
34.4
0.0
0.0
0.0
0.0
0.0
TABLE OF DIMENSIONS FOR
�" EXPANSION
JOINT MATERIAL
CONCRETE
CURB
2’-0
"
2"
AS REQUIRED
1’-6" OR 2’-6" RADIUS
NOTE:
ISLAND CORNER WILL BE
PAID AS CONCRETE CURB.
C
C
-71.5
100’
50’
SID
E
RO
AD
40’
40’
3’
16’
100’
12’14’
1
50’ R
*
100’
3’
15’
1
THROUGH HIGHWAY
*
50’ R
O
4’
A B
C
+
O
+
H
E
F
G
FROM HERE
MEASURE COORDINATES
D
J
O = MORE THAN 80°
O = ACUTE ANGLES 80° OR LESS
O = ACUTE ANGLES 70° OR LESS
SIDE ROAD WIDENING AND TAPER REQUIRED WHERE
THE THROUGH HIGHWAY CARRIES TWO-WAY TRAFFIC
104.6
450’ (TYPE "A1")
350’ (TYPE "A2")
450’ (TYPE "A1")
350’ (TYPE "A2")
DEPARTMENT OF TRANSPORTATION
STATE OF WISCONSIN
APPROVED
DATE
FHWA
66
INTERSECTION, TYPE "A1" & "A2"
AT-GRADE SIDE ROAD
ENGINEER
ROADWAY STANDARDS DEVELOPMENT
PLAN VIEW
SECTION C-C
ISLAND CORNER DETAIL
TYPE "A1" & "A2" SIDE ROAD INTERSECTION DETAILS
EXISTING PAVED SURFACE
(2’ PAVED)
3’ SHOULDER
2
2 2
(2’ PAVED)
3’ SHOULDER 3’ SHOULDER 3’ SHOULDER
1 10-FT TYPICAL.
(AS SHOWN ELSEWHERE IN PLANS)
THROUGH HIGHWAY SHOULDER
12.5:1 TAPER
12.5:1 TAPER
22
LANE IF SHOWN ELSEWHERE IN THE PLANS.
12-FT PLUS ADDITIONAL WIDTH FOR BIKE
50’ R
S.D.D. 9
A
1-13
bS.D.D. 9
A
1-13
b
12/18/12 /S/ Jerry H. Zogg
SDD 9a1-b At-Grade Side Road Intersection, Type A1 and A2
At-Grade Side Road Intersections
Version 13 Standard Detail Drawing 9a1 (sheet b) December 21, 2012
At-Grade Side Road Intersection, Type A1 and A2
References:
FDM 11-25-1
Bid items associated with this drawing:
ITEM NUMBER DESCRIPTION UNIT
416.1010 Concrete Surface Drains ..................................................................................... CY 465.0315 Asphaltic Flumes ................................................................................................. SY 601.0413 Concrete Curb & Gutter 30-Inch Type G ............................................................. LF 601.0415 Concrete Curb & Gutter 30-Inch Type J .............................................................. LF 305.0110 - 305.0135 Base Aggregate Dense .......................................................................... TON or CY 205.9010.S Grading & Shaping Intersection ............................................................. LOCATION 205.9015.S Grading Shaping & Finishing Intersection (location; var. pavement) ................... LS 601.0555 Concrete Curb & Gutter 6-Inch Sloped 36-Inch Type A ...................................... LF 601.0557 Concrete Curb & Gutter 6-Inch Sloped 36-Inch Type D ...................................... LF
Standardized Special Provisions associated with this drawing:
STSP NUMBER TITLE
205-010 Grading & Shaping Intersection (location) 205-015 Grading Shaping & Finishing Intersection (location) Use these provisions if the work is not covered under standard grading bid items.
Other SDDs associated with this drawing:
SDD 8d1 Concrete Curb, Concrete Curb & Gutter and Ties
SDD 8d4 Concrete Surface Drains & Asphaltic Flumes
SDD 9a1 At-Grade Side Road Intersections sheet “a”
SDD 13c16a& b Detail for Right Turn Lane/ Tee Intersection Bypass on a Concrete Road
Design Notes:
See FDM 11-25-1 for selection criteria for Type A1 and A2 intersections.
Type “A1” and “A2” intersection design will accommodate a WB-65 design vehicle. There may be some encroachment onto the curb flag at some intersection angles.
Full-width turn lane lengths apply to both left turn lanes and right turn lanes for traffic entering the same side road leg of the intersection. Provide a longer turn lane based on needed storage to accommodate queuing Design Hour Traffic, or there is a high volume of truck turning movements.
The Type "A1" and “A2” intersection design does not apply when the side road is on curved alignment at the intersection. For this situation extend the full width curbed cross section 50 feet minimum into the curve. Provide special details.
Show island surface type and related details elsewhere in the plan.
Specify sod, topsoil or salvaged topsoil and seed & fertilize to a 3’-0” width in back of the curb & gutter sections.
If curb & gutter is built under a separate contract from the grading work, the designer must specify who is responsible for backfilling the two feet behind the curb & gutter.
SDD 9A1-a must be used in conjunction with this sheet.
Use SDD 13C16 in conjunction with this sheet if the roadway is PC concrete pavement.
Contact Person:
Bruce Jorenby (608) 266-3207
