typical curb ramp components indiana department of ... · a maximum slope of 10.00% measured...

Pedestrian

Street

Crossing

Clear Space

Flared Side

Turning Space

Side

walk or

other w

alkable

surfa

ce

Buffer or

other

non-

walkable

surfa

ce

Markings

Crosswalk

Curb (Typ.)

Surface

Warning

Detectable

and Gutter Line

Curb Flush with Pavement

Break

Grade

Break

Grade

Return Curb

Widt

h

Ramp

Cross Slop

e

Cross Slop

e

Cross Slop

e

Running Slope Running Slope

Counter Slope

Flare Slop

e

TYPICAL CURB RAMP COMPONENTS

INDIANA DEPARTMENT OF TRANSPORTATION

STANDARD DRAWING NO.

DATECHIEF ENGINEER

DATEDESIGN STANDARDS ENGINEER

SEPTEMBER 2018

AND GENERAL NOTES

CURB RAMP DRAWING INDEX

E 604-SWCR-01

/s/ Elizabeth W. Phillips

/s/ John Leckie

03/20/18

04/25/18

EISGER

DTE

PR

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STATE OF

IN AD G

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AB

ETH W. PHIL

LIPS

10200124

15. Drainage inlets should be located uphill from a curb ramp to prevent ponding in the path of pedestrian travel.

14. Curb ramps shall be placed within the marked crosswalk area.

13. Objects such as a utility cover, vault frame, and grating shall be placed outside the curb ramp.

Standard Drawing E 604-SWCR-14 for counter slope details.

12. Counter Slope. A counter slope is the cross slope of the gutter or street adjacent the running slope of the ramp, blended transition, or turning space. See

c. The maximum cross slope at a midblock crossing shall be the established grade of the adjacent roadway.

b. The maximum cross slope at a pedestrian street crossing with yield or stop control shall be 2.00%.

a. The maximum cross slope at a pedestrian street crossing without yield or stop control shall be 5.00%.

11. Cross Slope Exceptions. The cross slope of a ramp, blended transition, or turning space shall be measured perpendicular to the direction of pedestrian travel.

greater than 1/2 in. Where a discontinuity is greater than 1/4 in. the surface shall be beveled with a slope not steeper than 1V:2H.

shall not be within the ramp, blended transition, turning space, or detectable warning surface. Grade breaks shall be flush. Vertical discontinuities shall not be

10. Grade Break. A grade break at the top and bottom of a ramp, blended transition, or turning space shall be perpendicular to the running slope. Grade breaks

9. Width. Unless otherwise noted, minimum width of a ramp, blended transition, or turning space, excluding flared sides or return curb, shall be 4 ft.

d. A turning space shall have a maximum running slope of 2.00%.

c. A blended transition shall have a maximum running slope of 5.00%.

b. A ramp shall have a maximum running slope of 8.33% but shall not require a ramp length to exceed 15 ft.

a. A running slope of 2.00% or less is considered level.

8. Running Slope. The running slope of a ramp, blended transition, or turning space shall be measured parallel to the direction of pedestrian travel.

or turning space.

detectable warning surface shall extend a minimum of 2 ft in the direction of pedestrian travel and be placed the entire width of a ramp, blended transition,

7. Detectable Warning Surface. A detectable warning surface shall consist of truncated domes and be placed at each street, highway, or railroad crossing. The

parallel vehicular travel path. The clear space shall have a minimum clear dimension of 4 ft x 4 ft.

6. Clear Space. A clear space shall be provided beyond the bottom grade break of a curb ramp wholly contained within the crosswalk and wholly outside the

tapered to meet the flush curb at the bottom of the ramp.

not be used adjacent to a walkable surface. The return curb may be omitted where the non-walkable surface is flared and the curb adjacent the roadway is

5. Return Curb. A return curb is placed perpendicular to the roadway curb. A return curb may be used adjacent to a non-walkable surface. A return curb shall

a maximum slope of 10.00% measured parallel to the back of the curb.

4. Flared Side. A flared side shall be used adjacent to a walkable surface. A flared side may be used adjacent to a non-walkable surface. A flared side shall have

dimension shall be 4 ft x 5 ft, with the 5-ft dimension in the direction of the ramp running slope.

Where the turning space is constrained at the back of the sidewalk by a curb, retaining wall, building, or feature over 2 inches in height, the minimum clear

change in direction. A common turning space may be shared by adjacent ramps. The turning space shall have a minimum clear dimension of 4 ft x 4 ft.

3. Turning Space. A turning space shall be provided at the top of a perpendicular ramp, bottom of a parallel ramp, or where the pedestrian travel requires a

2. Ramp or Blended Transition. A ramp or blended transition shall be used to lower or raise the sidewalk to connect with the street or highway.

1. All slopes are absolute rather than relative to the sidewalk or roadway grade. Slopes at least 0.50% less than the maximum are preferred.

GENERAL NOTES:

Flared Side

TS

TS

TS

Curb as Required

TIERED PERPENDICULAR CURB RAMPPERPENDICULAR CURB RAMP

ADJACENT WALKABLE SURFACE

PERPENDICULAR CURB RAMP

ADJACENT NON-WALKABLE SURFACE

Sidewalk

Sidewalk Sidewalk Sidewalk

Sidewalk

Sidewalk

5'-0"

5'-0"

As Required

Return Curb

Building or

Other Constraint

Flared

Side

Flared

Side

4' (min.)

Curb

Crosswalk Markings Crosswalk Markings

Curb

Curb

Crosswalk Markings

Sidewalk Transition

as Required

Return Curb

Detectable Warning Surface

:LEGEND

Ramp

Buffer or Other Non-Walkable Surface

TS Turning Space

Clear SpaceCS

E 604-SWCR-02



DATECHIEF ENGINEER


SEPTEMBER 2018

TYPICAL PLACEMENT


EISGER

DTE

PR

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A

STATE OF

IN AD G

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ETH W. PHIL

LIPS

10200124

/s/ Elizabeth W. Phillips 03/29/18

/s/ John Leckie 04/25/18

running slope.

shall be 4 ft x 5 ft, with the 5-ft dimension in the direction of the ramp

constrained at the back of the sidewalk, the minimum clear dimension

and a running slope of 2.00% maximum. Where the turning space is

The turning space shall have a minimum clear dimension of 4 ft x 4 ft 2.

Drawing Series E 604-SDWK for sidewalk details.

transition running slope shall not exceed 8.33%. See Standard

transition may be used to lower the sidewalk grade. The sidewalk

prevent a standard perpendicular curb ramp running slope, a sidewalk

Where insufficient width between the curb and back of sidewalk 1

NOTES:

1

4'-0"

5'-0"

4'-0"

4'-0"

CSCS

CS


LEGEND:

Ramp


TS Turning Space

Clear SpaceCS

TS

CS

CS

CS

CS

TS

TS

Side

Flared

Flared

Side

Flared

SideFlared

Side

Flared

Side

Flared

Side

PAIRED PERPENDICULAR

CURB RAMPS AT SMALL RADIUS

PAIRED PERPENDICULAR

CURB RAMPS AT LARGE RADIUS

Sidewalk

Sidewalk

Sidewalk

Sidewalk

Sidewalk

Sidewalk

Crosswalk Markings

Crosswalk Markings

4'-0"

4'-0"

as Required

Return Curb

as Required

Return Curb

Curb

Curb

3 in. (min.) Curb Height

3 in. (min.) Curb Height

E 604-SWCR-03



DATECHIEF ENGINEER


SEPTEMBER 2016

TYPICAL PLACEMENT

PAIRED PERPENDICULAR CURB RAMPS

EISGER

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LIPS

10200124


03/18/16/s/ Mark A. Miller

running slope.





NOTE:

4'-0"

4'-0"

4'-0"

4'-0"


LEGEND:

Ramp


TS Turning Space

Elev.

5

u

Elev.

4

Elev.

1

Elev.

2

²

Running Slope

Running Slope

Sidew

alk

Sidew

alk

u

³

u

Ramp

u

Cross Slope

Elev. 1 - Elev. 2

Sidewalk Width

Elev. 2 - Elev. 3

Ramp Length

Walk

able

Surfa

ce

Elev. 4 - Elev. 5

Ramp or Turning Space Width

Pedestrian

Street

Crossin

g

Ramp and Turning Space u = ≤ 2.00%

Turning Space u = ≤ 2.00%

Ramp u = ≤ 8.33%

Sidewalk W

idth

Sidew

alk Expansio

n Joint

Ramp

Widt

h

Crossw

alk Markin

gsSid

ewalk Expansio

n Joint

Sidew

alk Expansio

n Joint

B

B

A

A

TS

Component Slope Equations:

SECTION B-B

Pavement

SECTION A-A

uu

1

u

2'-0"

Elev. 3Elev. 2

Elev. 1

Elev. 5Elev. 4

Non-Walkable SurfaceRamp WidthFlared SideWalkable Surface

Ramp LengthSidewalk Width

(DWS)


(DWS)


2

3

3

1

12

3

E 604-SWCR-04



DATECHIEF ENGINEER


SEPTEMBER 2018

COMPONENT DETAILS


EISGER

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10200124



details.

See Standard Drawing E 604-CCSJ-01 for sidewalk expansion joint 6.

Warning Surface placement, configuration, and details.

See Standard Drawing E 604-SWCR-12, -13, and -14 for Detectable 5.

See Standard Drawing E 604-SWCR-01 for cross slope exceptions.4

slope.

Curb ramp surface shall be coarse broomed transverse to the running 3

have a minimum clear dimension of 5 ft x 5 ft.

perpendicular curb ramp is used, a constrained turning space shall

dimension in the direction of the ramp running slope. Where a tiered

the minimum clear dimension shall be 4 ft x 5 ft, with the 5-ft

Where the turning space is constrained at the back of the sidewalk,

The turning space shall have a minimum clear dimension of 4 ft x 4 ft. 2

edge of adjacent pavement and gutter line.

The bottom edge of the ramp and top of curb shall be flush with the 1

NOTES:

¹

4" (min.)

6" (min.)

Below DWS

6" (min.)

Below DWS

6" (min.)

6" (min.)

4" (min.)

Elev.

3Flared

Side

Street

Profile Grade

3

3

3

Ramp Le

ngth

2

(Right Side)

Showing Return Curb

(Left Side)

Showing Flared Curb

10.00% (max.)

10.00

% (m

ax.)

(min.)

4

as Req

uired

Return Curb

2


LEGEND:

Ramp


1

Crosswalk Markings

Crosswalk Markings

2

1 2

Curb

as Required

Return Curb

as Required

Return Curb

ONE-WAY DIRECTIONAL PERPENDICULAR CURB RAMP WITH BUFFER

ONE-WAY DIRECTIONAL PERPENDICULAR CURB RAMP ADJACENT CURB

Curb

Sidewalk

Sidewalk

E 604-SWCR-05



DATECHIEF ENGINEER


SEPTEMBER 2016

TYPICAL PLACEMENT


ONE-WAY DIRECTIONAL

EISGER

DTE

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LIPS

10200124



Standard Drawing Series E 604-SDWK for sidewalk details.

sidewalk and curb, the preferred minimum sidewalk width is 5 ft. See

minimum sidewalk width is 6 ft. Where a buffer is placed between the

Where there is no buffer between the sidewalk and curb the preferred 2

directional perpendicular curb ramp.

A turning space is not required at the top of the ramp for a one-way 1

NOTES:


LEGEND:

Ramp


SECTION B-B

Pavement

SECTION A-A

Pavement

u12u

Sidewalk

2'-0"

Ramp Length

Elev. 3Elev. 2

u

²

Running Slope

Running Slope

³Cross Slope

Elev. 1 - Elev. 2

Ramp Length

4

Cross Slope

Elev. 4 - Elev. 5

Ramp Width

Ramp u = ≤ 8.33%

Ramp u = ≤ 2.00%

Buffer

1

Setback Length


Setback u = ≤ Profile Grade ofAdjacent Street

Setback u = ≤ 2.00%

Elev. 2 - Elev. 3

Setback Length

Elev. 6 - Elev. 7

Ramp Width

Landing Width

Ramp Width

u1

u2

Sidewalk

Ram

p

Elev. 74u

3u

Elev. 1

Elev. 5

Elev. 2

Street

Profile Grade

Setback Length

Pedestrian

Street

Crossing

Sidewalk Expansion Joint

Width

Ramp

A

A

B

Bas Required

Return Curb

Elev. 4 Elev. 5

Elev. 1


Crosswalk Markings


3

6" (min.)

(min.)

4" (min.)

E 604-SWCR-06



DATECHIEF ENGINEER


SEPTEMBER 2018

CURB RAMP COMPONENT DETAILS

ONE-WAY DIRECTIONAL PERPENDICULAR

EISGER

DTE

PR

I N

E

S

OF

No.

A

STATE OF

IN AD G

E

E

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ELIZ

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ETH W. PHIL

LIPS

10200124



details.





slope.


directional perpendicular curb ramp.

A turning space is not required at the top of the ramp for a one-way 2

with the edge of adjacent pavement and gutter line.

The bottom edge of the ramp or setback and top of curb shall be flush 1

NOTES:

¹

Elev. 6

Elev. 4

Ramp

Length

(DWS)


6" (min.)

Below DWS

6" (min.)

6" (min.)

Elev. 3

4

4

2

3

3

Ramp

Width


LEGEND:

Ramp


TS Turning Space

Clear SpaceCS

TS

1

MIDBLOCK CROSSING CURB RAMP

Curb as Required

Crosswalk MarkingsCurb

SidewalkSidewalk

TS

TS

CS

CS

4'-0

"

PAIRED PARALLEL CURB RAMPS ALONG LARGE RADIUS

5'-0

"

5'-0"

1

Curb as Required

Curb

Sidewalk

Sidewalk

Sidewalk

(min.)

E 604-SWCR-07



DATECHIEF ENGINEER


SEPTEMBER 2016

TYPICAL PLACEMENT

MIDBLOCK CROSSING CURB RAMP

PAIRED PARALLEL CURB RAMPS AND

EISGER

DTE

PR

I N

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STATE OF

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ETH W. PHIL

LIPS

10200124



running slope.









NOTES:

5'-0"

Markings

Crosswalk


LEGEND:

Ramp

TS Turning Space

SECTION B-B

SECTION A-A

u

u

u

u

u

Elev.

2Elev. 6

¹

u1

SidewalkSidewalk

Elev. 5

²

6

²

u = ≤ 2.00%

u

2

5 u =Turning Space

Cross Slope

u

TS

Sidewalk Width

Ramp

Ramp

Ramp LengthRamp Length

u = ≤ 2.00%Elev. 2 - Elev. 3

Turning Space Width

Elev. 6 - Elev. 5

Sidewalk Width

²

Turning Space

Running Slope

Ramp u = ≤ 8.33%

Ramp u = ≤ 8.33%

3

3 3

Street

Profile Grad

e

Elev. 1 - Elev. 2

Ramp Length

Elev. 4 - Elev. 3

Ramp Length


Pedestrian

Street

Crossin

g


2'-0"


B

B

A

A

Elev.

4

Elev.

3

Elev. 4

Elev. 3 Elev. 2

Elev. 1

Elev. 5Elev. 6

Width

Turning Space

Sidewalk Expansion Joint (typ.)

1

4

Belo

w D

WS

6"

min.

(DWS)


3u

u4

Ramp u = ≤ 2.00%

Ramp u = ≤ 2.00%

Cross Slope

Cross Slope

3

4

1

Elev. 7 - Elev. 8

Sidewalk Width

Elev. 9 - Elev. 10

Sidewalk Width

Running SlopeEle

v. 8

Elev. 1

Elev. 7

Elev. 9

Elev. 1

0

Marking

Crosswalk

Ramp Length1

Sidewalk Width

Detectable Warning Surface (DWS)

2

Length

Ramp Width

Turning Space

5


(min.)

Pavement

3

42

Running Slope

Sidew

alk

1

6

5

2

Sidew

alk

E 604-SWCR-08



DATECHIEF ENGINEER


SEPTEMBER 2018

COMPONENT DETAILS

PARALLEL CURB RAMP

EISGER

DTE

PR

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No.

A

STATE OF

IN AD G

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AB

ETH W. PHIL

LIPS

10200124



details.








Where there is no buffer between the sidewalk and curb, the preferred 4

slope.


running slope.




The turning space shall have a minimum clear dimension of 4 ft x 4 ft 2

with the edge of adjacent pavement and gutter line.

The bottom edge of the turning space and top of curb shall be flush 1

NOTES:

u¹¹

u

6"

min.

6"

min.

4"

min.

4"

min.

u

u

6" (min.)

Below DWS

6" (min.)

TS

Sidewalk

Sidewalk

DEPRESSED CORNER CURB RAMP

4'-0"

4'-0"

Crosswalk MarkingsCurb

as Required

Return Curb

Parallel Ramp (typ.)

as Required

Return Curb

4' (min.)


LEGEND:

Ramp


TS Turning Space

Clear SpaceCS

TS

CS

3DIAGONAL CURB RAMP

Flared

Side

Flared

Side

4'-0"4'-0"

Building or

Other Constraint

Curb

Perpendicular Curb

Markings

Crosswalk

Sidewalk

Sidewalk

Sidewalk

Sidewalk

1

Sidewalk

Sidewalk

2

Flared

Side

Flared

Side

4

BLENDED TRANSITION CURB RAMP

WITH RUNNING SLOPE > 2.00%


WITH RUNNING SLOPE ≤ 2.00%

1Run

ning

Slope

Run

ning

Slope

Markings

Crosswalk Markings

Crosswalk

CurbCurb

4' (min.) 4' (min.)

E 604-SWCR-09



DATECHIEF ENGINEER


SEPTEMBER 2018

CURB RAMP TYPICAL PLACEMENT

DEPRESSED CURB RAMP AND DIAGONAL

BLENDED TRANSITION CURB RAMP,

EISGER

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LIPS

10200124







provided.

transition curb ramp, or a depressed corner curb ramp from being

existing physical conditions prevent paired curb ramps, a blended

alteration project, a diagonal curb ramp shall be used only where

A diagonal curb ramp shall not be used for new construction. For an 3

minimum sidewalk is not required behind the blended transition.

Where the running slope is less than or equal to 2.00% a 4-ft 2

slope shall not exceed 5.00%.

sidewalk shall continue behind the blended transition. The running

Where the running slope is greater than 2.00%, a 4-ft minimum 1

NOTES:

SECTION B-B

u

Blended Transition Width

Elev. 10 Elev. 11

SECTION A-A

2'-0"Elev. 5Elev. 4

Pavement

SidewalkSidewalk

Side

Flared

Side

Flared

10.00% 10.00%

(4' Min.)

Sidewalk Width

Length

Blended Transition

u u

Sidewalk Expansion Joint (typ.)

1

2

Elev. 6


(max.)(max.)

(min.)2

6

3


LEGEND:

Ramp

Running Slope

Elev. 2 - Elev. 3

Blended Transition LengthBlended Transition u = ≤ 2.00%

Sidewalk

Sidewalk

Elev. 8

Elev. 1

Elev. 7

Elev. 4

Elev. 1

1

Elev. 10

Elev. 6

Elev. 3

u

Elev. 9

Elev. 2

u

Elev. 5

u

u

u u

u

Running Slope

Elev. 5 - Elev. 6

Blended Transition LengthBlended Transition u = ≤ 2.00%

Running Slope

Elev. 8 - Elev. 9

Blended Transition LengthBlended Transition u = ≤ 2.00%3

2

1

4 4 u = ≤ 2.00%Blended Transition

Cross Slope

Sidewalk u = ≤ 2.00%Cross Slope

Elev. 7 - Elev. 8

Sidewalk Width7


Elev. 4 - Elev. 5

Sidewalk Width6


Elev. 1 - Elev. 2

Sidewalk Width5

Elev. 10 - Elev. 11

Blended Transition Width

Sidewalk Width 2

3

3

3

3

Markings

Crosswalk


Blended Transition Length


2

2

2


FlaredSide

Flared

Side

Street

Profile Gra

de

StreetProfile Grade

Pedestrian

Street

Crossing

Pedestrian

Street

Crossing

4' (m

in.)

A

B

5

4

1

B

7

3

2

6

A

E 604-SWCR-10



DATECHIEF ENGINEER


SEPTEMBER 2018

COMPONENT DETAILS


EISGER

DTE

PR

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STATE OF

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LIPS

10200124



details.





slope.


slope shall not exceed 5.00%.

sidewalk shall continue behind the blended transition and the running

Where the running slope is greater than 2.00%, a 4-ft minimum

minimum sidewalk is not required, behind the blended transition.

Where the running slope is less than or equal to 2.00% a 4-ft 2

flush with the edge of adjacent pavement and gutter line.

The bottom edge of the blended transition and top of curb shall be 1

NOTES:

Surface (DWS)

Detectable Warning

4" (min.)

6" (min.)

Below DWS

6" (min.)

6" (min.)

4" (min.)

4" (min.)

6" (min.)

Below DWS

6" (min.)

u

u

u

u

u

u

SECTION B-B

Median

SECTION A-A

Median


LEGEND:

Ramp

TS Turning Space

Raised Median

MEDIAN CUT-THROUGH

WITH TAPERED CURB

Media

n Width

43

5'-0"

5

5

Raised Median

Curb

Crosswalk Marking

4:1 (max.)


(min.)

2'-0" (min.)

B


Curb 4:1 (max.) Slope

5'-0" (min.)

6" (min.)


Curb

6" (min.)

Raised Median

TS

A A

Media

n Width

4

Media

n Width

4 TS TS

MEDIAN PERPENDICULAR CURB RAMPS

Raised Median

5'-0"

5'-0"

5'-0"

MEDIAN CUT-THROUGH

WITH CURB

3

5'-0"

4'-0"

4'-0"

5

5

5

5

5

5

Raised Median

Crosswalk Markings

Side

Flared

Side

Flared

Side

Flared

Side

Flared

6

Crosswalk Marking

Curb (typ.)


(min.)

(min.) (min.)

(min.)

4'-0"

(min.)

(min.)

(min.)

Curb

E 604-SWCR-11



DATECHIEF ENGINEER


SEPTEMBER 2018

TYPICAL PLACEMENT

MEDIAN PERPENDICULAR CURB RAMP

MEDIAN CUT-THROUGH AND

EISGER

DTE

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LIPS

10200124



details.




See Standard Drawing E 604-SWCR-01 for cross slope exceptions.6.

adjacent pavement gutter line.

curb ramp and the top of curb shall be flush with the edge of

The bottom edge of the median cut-through or median perpendicular 5

shall not be placed.

Where median width is less than 6 ft, detectable warning surfaces 4

2.00% maximum.

Where a median cut through is used the running slope shall be 3

4 ft x 5 ft.

median, the turning space shall have a minimum clear dimension of

2. Where in-line or offset perpendicular curb ramps are used within a

perpendicular curb ramp shall be 5 ft.

1. The minimum width of a median cut-through and median

NOTES:

B

Ramp

Grade Break



Back of Flush Curb


GB

4PARALLEL CURB RAMP

Back of Flush Curb

GB

Back of Flush Curb

5

GB


Back of Flush Curb

Back of Flush Curb

3ONE-WAY DIRECTIONAL PERPENDICULAR CURB RAMPS ON A RADIUS

of curb is 5'-0" or less.detectable warning surface and back between the front face of the the ramp where the largest distance shall be placed perpendicular to The detectable warning surface

of curb is greater than 5'-0".

detectable warning surface and back

between the front face of the

where the largest distance

shall be placed at the back of curb

The detectable warning surface

Front Face of DWS

GB

Back of Flush Curb

5DEPRESSED CORNER CURB RAMP 7

E 604-SWCR-12



DATECHIEF ENGINEER


SEPTEMBER 2018

PLACEMENT AND CONFIGURATION

DETECTABLE WARNING SURFACE

EISGER

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10200124



details.

See Standard Drawing E 604-SWCR-14 for detectable warning surface 6.

alternate detectable warning surface placement.

placement configuration. See Standard Drawing E 604-SWCR-13 for

corner shall be placed at the back of curb as shown or in an alternate

The detectable warning surface on a blended transition or depressed 5

turning space at the back of curb.

on the turning space at the flush transition between the street and

The detectable warning surface on a parallel curb ramp shall be placed 4

surface placement.

Standard Drawing E 604-SWCR-13 for alternate detectable warning

curb as shown or in an alternate placement configuration. See

of curb, the detectable warning surface shall be placed at the back of

face of the detectable warning surface is more than 5 ft from the back

be placed perpendicular to the ramp. Where the distance from the

5 ft or less from the back of curb, the detectable warning surface shall

Where the distance from the face of the detectable warning surface is 3

detectable warning surface shall not be placed across a grade break.

direction of pedestrian travel and extend the full width as shown. The

The detectable warning surface shall extend a minimum of 2 ft in the 2.

detectable warning surface placement at a sidewalk driveway crossing.

or railroad crossing. See Standard Drawing E 604-SDWK-03 for a

A detectable warning surface shall be placed at each street, highway, 1.

NOTES:

LEGEND:

Ramp

Grade Break



Shared-Use Path

Highway Edge

Flush Street or

Street or

Highway

1'-0" (max.)

GB

Railroad Track

Sidewalk

4

Pedestrian Gate

RAILROAD CROSSING

Flush Median Edge

Flush Median Edge

2

Back of Flush Curb

ALTERNATE DETECTABLE WARNING SURFACE PLACEMENT

Curb

Flush

Back of

Front Face of DWS (typ.)

6

face of DWSof curb and frontbetween back6" (max.) face of DWS

of curb and frontbetween back6" (max.)

E 604-SWCR-13



DATECHIEF ENGINEER


SEPTEMBER 2018

PLACEMENT AND CONFIGURATION

DETECTABLE WARNING SURFACE

EISGER

DTE

PR

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A

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10200124



LEGEND:

details.

7. See Standard Drawing E 604-SWCR-14 for detectable warning surface

shall not exceed 6 in. between the ends.

the back of curb and the front face of the detectable warning surface

Plate ends shall be placed at the back of curb. The distance between 6

the street or highway edge.

warning surface shall be placed on the shared-use path within 1 ft of

Where shared-use path intersects a street or highway, the detectable 5

centerline of the nearest rail.

crossign shall be placed 6 ft minimum and 15 ft maximum from the

The edge of the detectable warning surface nearest to the railroad 4

opposite the railroad crossing.

detectable warning surface shall be placed on the side of the gate

Where a pedestrian gate is provided at a railroad crossing, the 3

surface shall not be placed.

cut-through. Where a median is less than 6ft, a detectable warning

placed at the flush transition between the street and median

The detectable warning surface on a median cut-through shall be 2

abutted.

grade brea. The edges of adjacent panes shall be parallel and tightly

shown. The detectable warning surface shall not be placed across a

in the direction of pedestrian travel and extend the full width as

The detectable warning surface shall extend a minimum lenght of 2 ft 1.

NOTES:

3

SHARED-USE PATH

5

SECTION A-A

0.2"

Base Diameter

50% - 65% of Base Diameter

0.9" (min.) - 1.4" (max.)

A

A

TRUNCATED DOMES

PLAN

1.6" (min.) - 2.4" (max.)

0.6

5" (min.)

1.6" (min.) - 2.4" (m

ax.)

Ramp Width

Warning Surfaces

Brick Detectable

BRICK DETECTABLE WARNING SURFACE WITH CONCRETE BORDER

Ramp Width

6 7

2" (max.) within

Border Width4" (min.) Total

Ramp

TYPICAL RAMP AND BRICK SURFACE CONSTRUCTION DETAIL

6"-8"

Integral Curb

Concrete Base

Brushed Warning Elements (typ.)

Brushed Sand Mixture (typ.)

Latex Setting Mortar (typ.)

(typ.)

Pavement or

Gutter

1'-3" (min.)

6" (min.)

6" (min.)

Ramp2'-0"

Gutter or Street

with level strip

may be monolithic

Curb as required,

CHANGE OF GRADE > 11%

Counter Slope

5

(min.)2'-0" level strip

8.33% (max.) 5.00% (max.)

ALTERNATE CURB CONSTRUCTION

Ramp

1'-6"

4"

1'-6"

4"

501 x 1'-10"

501 Spa. @ 18"

Separate From RampReinforce the Curb if

Pavement or

Gutter

2'-0" (min.)

6" (min.)

6" (min.)

E 604-SWCR-14



DATECHIEF ENGINEER


SEPTEMBER 2018

DETECTABLE WARNING SURFACE DETAILS

restraint shall not encroach upon the ramp width.

Where forming other than a concrete border is used, the edge 7

not reduce the ramp width by more than 2 in. on each side.

monolithically with the curb ramp concrete. The concrete border shall

Where a concrete border is used for forming, the border shall be cast 6

level strip should be provided at the bottom of the ramp.

running slope and the counter slope exceeds 11%, a 2-ft minimum

the ramp shall be 5.00%. Where the algebraic difference between the

The maximum counter slope of the gutter or street at the bottom of 5

detectable warning surface shall not be placed across a grade break.

direction of pedestrian travel and extend the full width as shown. The

The detectable warning surface shall extend a minimum of 2 ft in the 4.

surfaces, either light-on-dark or dark-on-light.

The detectable warning surface shall contrast visually with adjacent 3.

spacing between adjacent panels shall be within the ranges specified.

The detectable warning surface may be field cut. Truncated dome 2.

center-to-center spacing within the ranges specified.

shall be aligned in a square or radial grid pattern with diameter and

Detectable warning surface shall consist of truncated domes. Domes 1.

NOTES:

EISGER

DTE

PR

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No.

A

STATE OF

IN AD G

E

E

I

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NR

SNOI A

NL

ELIZ

AB

ETH W. PHIL

LIPS

10200124



Concrete Border

Roadway

Buffer or Other

Non-Walkable Surface

typical curb ramp components indiana department of ... · a maximum slope of 10.00% measured...

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