PAS- General
The Passage Assessment Protocol (PAS), adapted from WSDOT (Kintsch and Cramer, 2011) and TNC NY Gunks-Catskills Connectivity Project, used to document attributes of road segments pertinent to transportation ecology and habitat connectivity.
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General
Date:
month/day/year
Time:
eastern standard time (EST)
Time
:
Road/Route:
Town:
Crossing ID:
Observers:
names of individuals involved in surveying
Traffic Volume:
number of vehicles per 20min
Clear selection
Photo IDs:
Road Attributes- General
Number of Lanes
Clear selection
2. Divided or Undivided
Clear selection
3. Road Type
Clear selection
4. Direction
Clear selection
5. What is the length of the study site
6. Is there parallel infrastructure
Clear selection
6A. If yes, what kind
>0.5mi
0.5mi-0.25mi
0.25mi-0.1mi
<0.1mi
Highway
Paved Road
Gravel Road
ORV Trail
Railroad
Clear selection
Notes:
7. How wide is the zone of maintained vegetation
Clear selection
Notes:
8. Is there a jersey wall
Clear selection
9. Are there natural features parallel to or bisected by the road
Notes:
Road Attributes- Land Use
1. Notes major land uses within 1,000 feet of study site (indicate % by 10s)
done via aerial photography
0%-10%
10%-20%
20%-30%
30%-40%
40%-50%
50%-60%
60%-70%
70%-80%
80%-90%
90%-100%
Forest
Meadow
Agriculture
Wetlands
Shrubs
Residential
Recreational
Commercial
Industrial
Other
Clear selection
Fencing
1. How many fences are associated with the study site
Clear selection
2. What are the GPS coordinates of the origin and termination of the fence(s)
note fence number, designated during survey
3. Select type of fencing
Curb (short wall to guide amphibians)
Wall
Wildlife Fence
Sediment Fence
4-Strand Wire Fence
Other
Fence 1
Fence 2
Fence 3
Fence 4
Fence 5
Fence 6
Fence 7
Fence 8
Fence 9
Fence 10
Clear selection
If other, please describe
note fence number
4. What is the height of the fencing
<6"
6"-2'
2'-4'
4'-6'
6'-8'
>8'
Fence 1
Fence 2
Fence 3
Fence 4
Fence 5
Fence 6
Fence 7
Fence 8
Fence 9
Fence 10
Clear selection
5. Is fence connected to the road
Yes
No, small gap <5'
No, large gap >5'
Fence 1
Fence 2
Fence 3
Fence 4
Fence 5
Fence 6
Fence 7
Fence 8
Fence 9
Fence 10
Clear selection
6. What is the general condition of the fencing
Good working order
Vegetation needs to be cleared
Some tacking up of fence needed
Gaps and areas where fence is down
Other
Fence 1
Fence 2
Fence 3
Fence 4
Fence 5
Fence 6
Fence 7
Fence 8
Fence 9
Fence 10
Clear selection
If other, please describe
7. Is fencing installed within and or adjacent to forest habitat
Yes
No
Fence 1
Fence 2
Fence 3
Fence 4
Fence 5
Fence 6
Fence 7
Fence 8
Fence 9
Fence 10
Clear selection
If yes, is there potential for a limb to fall on the fence and create a gap
Structures- Culverts
1. How many culverts are associated with the study site
Clear selection
2. What are the GPS coordinates of the culvert(s)
note culvert number, designated during survey
3. Does the culvert have an ID code
If yes, what is the corresponding code
4. Has a stream crossing form been completed for this culvert
Yes
No
Culvert 1
Culvert 2
Culvert 3
Culvert 4
Culvert 5
Culvert 6
Culvert 7
Culvert 8
Culvert 9
Culvert 10
Culvert 11
Culvert 12
Culvert 13
Culvert 14
Culvert 15
Culvert 16
Culvert 17
Culvert 18
Culvert 19
Culvert 20
Clear selection
-If yes, what is the structure's aquatic score
-If yes, what is the condition of the crossing?
5. What is the shape of the culvert
Ford
Round
Bridge
Box
Elliptical
Open Bottom Arch
Other
Culvert 1
Culvert 2
Culvert 3
Culvert 4
Culvert 5
Culvert 6
Culvert 7
Culvert 8
Culvert 9
Culvert 10
Culvert 11
Culvert 12
Culvert 13
Culvert 14
Culvert 15
Culvert 16
Culvert 17
Culvert 18
Culvert 19
Culvert 20
Clear selection
-If other, describe
6. What is the condition of the culvert
New
Excellent
Fair
Poor
Culvert 1
Culvert 2
Culvert 3
Culvert 4
Culvert 5
Culvert 6
Culvert 7
Culvert 8
Culvert 9
Culvert 10
Culvert 11
Culvert 12
Culvert 13
Culvert 14
Culvert 15
Culvert 16
Culvert 17
Culvert 18
Culvert 19
Culvert 20
Clear selection
7. Physical barriers to wildlife movement
Severe
Moderate
Minor
None
Culvert 1
Culvert 2
Culvert 3
Culvert 4
Culvert 5
Culvert 6
Culvert 7
Culvert 8
Culvert 9
Culvert 10
Culvert 11
Culvert 12
Culvert 13
Culvert 14
Culvert 15
Culvert 16
Culvert 17
Culvert 18
Culvert 19
Culvert 20
Clear selection
-If yes, by what
rock/riprap (>baseball size)
rock/riprap (<baseball size)
fence
gate
thick vegetation
boulders (humans would have to climb over)
natural debris
other
Culvert 1
Culvert 2
Culvert 3
Culvert 4
Culvert 5
Culvert 6
Culvert 7
Culvert 8
Culvert 9
Culvert 10
Culvert 11
Culvert 12
Culvert 13
Culvert 14
Culvert 15
Culvert 16
Culvert 17
Culvert 18
Culvert 19
Culvert 20
Clear selection
8. Is there vegetation/cover within 25' of the inlet
Extensive
Partial
None
Culvert 1
Culvert 2
Culvert 3
Culvert 4
Culvert 5
Culvert 6
Culvert 7
Culvert 8
Culvert 9
Culvert 10
Culvert 11
Culvert 12
Culvert 13
Culvert 14
Culvert 15
Culvert 16
Culvert 17
Culvert 18
Culvert 19
Culvert 20
Clear selection
-If yes, select the predominant type
Grasses
Shrubs
Shrubs and Trees
Culvert 1
Culvert 2
Culvert 3
Culvert 4
Culvert 5
Culvert 6
Culvert 7
Culvert 8
Culvert 9
Culvert 10
Culvert 11
Culvert 12
Culvert 13
Culvert 14
Culvert 15
Culvert 16
Culvert 17
Culvert 18
Culvert 19
Culvert 20
Clear selection
9. What is the substrate of the structure
None (smooth)
None (rough/corrugated)
Inappropriate
Contrasting
Comparable
Other
Culvert 1
Culvert 2
Culvert 3
Culvert 4
Culvert 5
Culvert 6
Culvert 7
Culvert 8
Culvert 9
Culvert 10
Culvert 11
Culvert 12
Culvert 13
Culvert 14
Culvert 15
Culvert 16
Culvert 17
Culvert 18
Culvert 19
Culvert 20
Clear selection
-If other, please describe
10. What does passing traffic sound like at the entrance to the structure
Silent
Low rumble
Loud and Jarring
Culvert 1
Culvert 2
Culvert 3
Culvert 4
Culvert 5
Culvert 6
Culvert 7
Culvert 8
Culvert 9
Culvert 10
Culvert 11
Culvert 12
Culvert 13
Culvert 14
Culvert 15
Culvert 16
Culvert 17
Culvert 18
Culvert 19
Culvert 20
Clear selection
11. Does the inside of the structure appear much darker than the outside lighting
High Contrast
Low Contrast
Comparable
Culvert 1
Culvert 2
Culvert 3
Culvert 4
Culvert 5
Culvert 6
Culvert 7
Culvert 8
Culvert 9
Culvert 10
Culvert 11
Culvert 12
Culvert 13
Culvert 14
Culvert 15
Culvert 16
Culvert 17
Culvert 18
Culvert 19
Culvert 20
Clear selection
12. Is there a clear line of sight from one end of the structure(s) to the other
Clear
Partially Obscure
Completely Obscure
Culvert 1
Culvert 2
Culvert 3
Culvert 4
Culvert 5
Culvert 6
Culvert 7
Culvert 8
Culvert 9
Culvert 10
Culvert 11
Culvert 12
Culvert 13
Culvert 14
Culvert 15
Culvert 16
Culvert 17
Culvert 18
Culvert 19
Culvert 20
Clear selection
13. Is there perennial water flow through the structure
None
<3' deep
3'-10' deep
>10' deep
Culvert 1
Culvert 2
Culvert 3
Culvert 4
Culvert 5
Culvert 6
Culvert 7
Culvert 8
Culvert 9
Culvert 10
Culvert 11
Culvert 12
Culvert 13
Culvert 14
Culvert 15
Culvert 16
Culvert 17
Culvert 18
Culvert 19
Culvert 20
Clear selection
14. Does there appear to be a dry natural substrate/dirt pathway through the structure during average flows
None
Dry Dirt Path
Rock/Dirt Path
Dry Rocky Pathway
Culvert 1
Culvert 2
Culvert 3
Culvert 4
Culvert 5
Culvert 6
Culvert 7
Culvert 8
Culvert 9
Culvert 10
Culvert 11
Culvert 12
Culvert 13
Culvert 14
Culvert 15
Culvert 16
Culvert 17
Culvert 18
Culvert 19
Culvert 20
Clear selection
16. What are the dimensions of the structure(s)
note height/width at inlet and outlet and culvert number
17. Describe topography surrounding the inlet/outlet relative to the road
above
below
level
Culvert 1
Culvert 2
Culvert 3
Culvert 4
Culvert 5
Culvert 6
Culvert 7
Culvert 8
Culvert 9
Culvert 10
Culvert 11
Culvert 12
Culvert 14
Culvert 15
Culvert 16
Culvert 17
Culvert 18
Culvert 19
Culvert 20
Clear selection
Notes
18. Are there signs of wildlife use in the culverts
Yes
No
Culvert 1
Culvert 2
Culvert 3
Culvert 4
Culvert 5
Culvert 6
Culvert 7
Culvert 8
Culvert 9
Culvert 10
Culvert 11
Culvert 12
Culvert 13
Culvert 14
Culvert 15
Culvert 16
Culvert 17
Culvert 18
Culvert 19
Culvert 20
Clear selection
-If yes, please describe
note culvert number
Structures- Bridges (over/underpasses)
1. How many bridges are associated with the study site
Clear selection
2. What are the GPS coordinates of the bridge(s)
3. Is there vegetation/cover within 25' of the entrance
No
Yes, partial
Yes, extensive
Bridge 1
Bridge 2
Bridge 3
Bridge 4
Bridge 5
Clear selection
-If yes, select the predominant type
grasses
shrubs
shrubs/trees
Bridge 1
Bridge 2
Bridge 3
Bridge 4
Bridge 5
Clear selection
4B. If other, please describe
6A. If other, please describe
please note the Bridge ID
8. Is the fencing entrenched in the ground thus preventing animals from digging under it
Yes
No
Bridge 1
Bridge 2
Bridge 3
Bridge 4
Bridge 5
Clear selection
4. What does passing traffic sound like at the entrance to the structure
Silent
Low Rumble
Loud and Jarring
Bridge 1
Bridge 2
Bridge 3
Bridge 4
Bridge 5
Clear selection
5. If bridge underpass, is this a single span or multiple span structure
Single
Multiple
Bridge 1
Bridge 2
Bridge 3
Bridge 4
Bridge 5
Clear selection
6. Does the inside of the structure appear much darker than the outside lighting
High Contrast
Low Contrast
Comparable
Bridge 1
Bridge 2
Bridge 3
Bridge 4
Bridge 5
Clear selection
7. Is there a clear line of sight from one end of the structure(s) to the other
Clear
Partially Obscure
Completely Obscure
Bridge 1
Bridge 2
Bridge 3
Bridge 4
Bridge 5
Clear selection
8. What is the substrate of the structure
None (smooth)
None (rough/corrugated)
Inappropriate
Contrasting
Comparable
Other
Bridge 1
Bridge 2
Bridge 3
Bridge 4
Bridge 5
Clear selection
-If other, please describe
9. Is there a swathe of natural substrate in the structure
If yes, how wide is it
No
<6"
6"-2'
2'-5'
>5'
Bridge 1
Bridge 2
Bridge 3
Bridge 4
Bridge 5
Clear selection
If yes, what is the substrate type
Soil
Grasses
Shrubs
Rocks
Other
Bridge 1
Bridge 2
Bridge 3
Bridge 4
Bridge 5
Clear selection
-If other, please describe
please note Bridge ID
10. What are the dimensions of the structure
please note height, width, length, and Bridge number
Wildlife Use
1. What are the GPS coordinates of the signs
note sign number
2. Please describe sign
note sign number
Structure Rating
The following Questions are designed to get a general impression while the user is in the field of how functional the structure is for each of the species movement guilds.  The following answers are rated
A=This animal could make it through as is, or with small modifications
C=with modest modifications this structure could be functional
F=Can’t be fixed with a retrofit

Rate structure for Low Mobility Small Fauna, e.g., slow movinganimals that require a consistent environmental conditions, such as frogs or salamanders:
please note Culvert or Bridge ID and A, C, or F
Rate this structure for Moderate Mobility Small Fauna, e.g., small animals that are fairly adaptable, such as squirrels, skunks, raccoons, fishers and some turtles:
please note Culvert or bridge ID and A, C, or F
Rate this structure for Adaptive High Mobility Fauna, e.g., fairly tolerant medium-sized animals, such as bobcat, coyote and black bear:
please note Culvert or Bridge ID and A, C, or F
Rate this structure for High Openness High Mobility Carnivores, e.g., larger animals that prefer larger structures, such as black bear or mountain lion
please note Culvert or Bridge ID and A, C, or F
Rate this structure for Adaptive Ungulates, e.g., ungulates that require good visibility through a structure, such as deer or moose:
please note Culvert or Bridge ID and A, C, or F
Rate this structure for Very High Openness Fauna, e.g., animals that require large structures with clear lines of sight that are less than 100' long, such as turkey and grouse:
please note Culvert or Bridge ID and A, C, or F
Which features could be changed to make the structure more functional for any Species Movement Guild given an A or C rank? This question offers an opportunity for the user to suggest potential retrofits to improve the structure functionality. These may, of course, be amended later, but it is often helpful to capture initial impressions and ideas while still in the field.
General Enhancement Options:
please note Culvert or Bridge ID and enhancements that would facilitate wildlife movement
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