Module 3: Pedestrian Design

Question 1

What are a Pedestrian’s Design Needs?

Answer 1

Operating Space/Dimensions
Safety and Security
Accessibility
Crossing Distances
Speed and Volume Management

Question 2

Vertical operating envelope of a pedestrian?

Answer 2

2.1 m

Question 3

Horizontal operating envelope of a pedestrian?

Answer 3

1.2 m

Question 4

Horizontal operating envelope of a wheelchair?

Answer 4

1.8 m

Question 5

To help reduce the frequency and severity of pedestrian collisions, our design should include:

Answer 5

adequate separation
manage vehicle speeds and volumes
accommodate pedestrians at crossings

Question 6

Accessibility for pedestrians should take into account…

Answer 6

physical and mental characteristics
mobility aids
cognitive abilities/ physical abilities
minimize crossing distances

Question 7

How can we minimize crossing distances?

Answer 7

Curb extensions
Smaller corner radii
Median refuge islands
Fewer travel lanes
Narrower travel lanes

Question 8

What type of curve represents speed and volume management associated with occurrence of a fatal collision?

Answer 8

S-Curve

Question 9

What are the three zones of a roadside?

Answer 9

Frontage Zone
Pedestrian Through Zone
Furnishing Zone

Question 10

What do roadside zone widths depend on?

Answer 10

land use
street type
user type
user demand

Question 11

Recommended width of a frontage zone?

Answer 11

0.5 - 3 m

Question 12

Pedestrian volume and flow rates influence what design ped design parameters?

Answer 12

Sidewalk/refuge widths
Type of crossing control
Traffic signal timing

Question 13

The 11 Design Considerations for Pedestrians

Answer 13

Ped Volume and Arrival Rate
Minimum Width vs. Desirable Width
Buffer Zones
Curbing
Gentle Cross Slope
SSD around Corners
Clear Path of Travel, free of street furniture
Ramps at Corners
Adequate Lighting
Maintenance
Gap Acceptance

Question 14

Maximum cross slope for pedestrians?

Answer 14

2%