A park sign that explains solar power to anyone walking past. Eye-tracked on the first draft, never measured once installed.

A park sign that explains solar power to anyone walking past. Eye-tracked on the first draft, never measured once installed.

A park sign that explains solar power to anyone walking past. Eye-tracked on the first draft, never measured once installed.

Role

Research, information design

Team

Solo board, team of six

Timeline

Aug to Dec 2024

Tools

Figma, Illustrator, Tobii Pro Lab

The final ParkSign board, A Solar Day in the Life: a bar chart of one day of solar output under cards explaining how solar panels work, their environmental benefits and seasonal generation

At a glance

The chart is the artwork, so the idea reads before the words do. The eye tracker showed people read the words first anyway.

The chart is the artwork, so the idea reads before the words do. The eye tracker showed people read the words first anyway.

The chart is the artwork, so the idea reads before the words do. The eye tracker showed people read the words first anyway.

A course project for TWC 501 at Arizona State University with the Town of Clarkdale, Aug to Dec 2024. Our team of six each designed one sign for Selna Mongini Park, part of the town’s $2.5M renovation. This is mine: one printed board about solar power.

Problem

One board, every age

Families with young children and older visitors share the same park. Most of them give a sign a few seconds.

Approach

The chart is the artwork

A bar chart of one day of solar output fills the board. The cards around it carry one idea each.

Outcome

Handed over, not measured

Eye-tracked with four people, five critique points changed, presented to the town on 7 December 2024. Nobody measured it once installed.

01 · Problem

A sign that explains solar properly will not be read. One that can be read in seconds explains nothing.

A sign that explains solar properly will not be read. One that can be read in seconds explains nothing.

A sign that explains solar properly will not be read. One that can be read in seconds explains nothing.

Nobody comes to a park to read. The board is printed once and stands outside in Arizona sun, with no zoom, no search and no second page. It has to work for a child, a parent and an older visitor at the same time.

1An older visitor on a walk
Will read all six steps, if the board has them.
2A parent keeping an eye on them
Has time for one fact before looking back at the playground.
3A child running past
Takes in the picture: bars that rise and fall with the sun.
One flat surfaceNo zoom, no search, no second page. Whatever it fails to say in the first few seconds is lost.

Reader 1

A child running past

Takes in the picture: bars that rise and fall with the sun.

Reader 2

A parent keeping an eye on them

Has time for one fact before looking back at the playground.

Reader 3

An older visitor on a walk

Will read all six steps, if the board has them.

Write less

Loses the older visitor

Cut to what a child will read and the detail is gone. The child skips it anyway.

Write it all

Loses everyone else

The detail is there, and nobody stops long enough to reach it.

Layer it

What shipped

One surface, two reading speeds: the picture for a glance, the cards and steps for whoever stays.

How might we

How might we design park signage that supports outdoor learning while engaging both children and adults in sustainability concepts?

How might we design park signage that supports outdoor learning while engaging both children and adults in sustainability concepts?

02 · Research

Four inputs before the first sketch. The fifth, the town’s brand guide, was handed to me.

Four inputs before the first sketch. The fifth, the town’s brand guide, was handed to me.

Four inputs before the first sketch. The fifth, the town’s brand guide, was handed to me.

This is the standard front end of a public project. Its value was that the constraints were settled before any layout existed.

25+

papers and case studies on signage, learning and community engagement, through the ASU Library

56

median age in Clarkdale, from the figures the town gave us. Older visitors are a large share of any audience.

6

dimensions in Clarkdale’s brand guide: pillars, vision, mission, audience, typography and colour

Input 01

Literature

Three rules came out of the reading: hierarchy first, accessibility as a constraint, and visual clarity over completeness. A study of smart facilities in Shenzhen’s parks is where the QR code came from.

Input 02

Precedent review

Interpretive signs already standing in parks and on trails, read from a path at a distance. It is why this board leads with a picture.

Input 03

Community profile

Parents bring young children to the playground, and older couples eat lunch on the benches. Parents want signs that teach their children. Older visitors need large type and high contrast. The park had no signs at all.

Input 04

Field visit

18 September 2024 in Clarkdale: a briefing with the town, then the park. It put the sign beside the solar panels, 3 to 4 feet off the ground, and showed how much midday glare a printed surface has to survive.

Students seated in the Clarkdale council chamber for a briefing from town staff

Fig. 01 · Briefing from the Town of Clarkdale, 18 September 2024.

Students gathered around laptops under a shade pavilion in Clarkdale

Fig. 02 · Working outdoors in Clarkdale the same afternoon.

Clarkdale street signage with copper-coloured posts and mine carts marked Clarkdale 1912 to 2012

Fig. 03 · Street signage in Clarkdale. The town’s copper-mining history runs through its brand.

03 · Concept

Information, hardware, graphics. The hardware idea did not survive.

Information, hardware, graphics. The hardware idea did not survive.

Information, hardware, graphics. The hardware idea did not survive.

In October I split the sign into three parts on a whiteboard. The hardware list included an LED screen with live solar output. I dropped it before the first board.

Whiteboard sketch splitting the sign into information, hardware and graphics, with lists under each

Fig. 04 · Concept whiteboard, October 2024. Information, hardware and graphics, with a live-data screen still on the list.

Kept

The graphics column became the board

A sun-cycle illustration, an energy graph, and icons for the panels and the sun. The information column became the cards.

Dropped

A screen with live solar output

My sign plan says I was unsure a screen would help visitors. Outdoors it is one more thing to power, break and maintain for a small town, so the board stayed printed.

Handwritten design-thinking notes on four sheets of ASU Sustainable Cities Network notepaper

Fig. 05 · My design-thinking notes. Older visitors need large print and high contrast. A QR code stays optional, because not everyone is comfortable with the technology.

04 · Brand system

The sign is the town speaking. Its palette and type came from Clarkdale’s guide.

The sign is the town speaking. Its palette and type came from Clarkdale’s guide.

The sign is the town speaking. Its palette and type came from Clarkdale’s guide.

Rolate for headings, Nexa for body, and a palette of blues, greens, earthy reds and copper taken from the local landscape. I treated the guide as a hard constraint.

Clarkdale brand guide
007E8B
2DA4A3
5E8B53
557650
574631
8D9685
888075
7E8F95
603B16
824128
8D603B
C69C2D
ROLATE
Headings, for the town's heritage
Nexa
Body, for reading at a distance
1
1sky gradient
2
2the bars
3
3every word
4
4trees
Every colour on the final board comes from the town's palette. Purple from the first board is gone.
Clarkdale logo lockups in colour and black
Rolate, Nexa and Abuget type specimens from the Clarkdale guide
Clarkdale palette: teals, greens, greys, browns, rust, copper and gold, with hex values

Fig. 06 · Clarkdale’s brand guide, as handed over: logo lockups, typefaces and the landscape palette.

05 · Decision 01

The chart is the sign. Read it as a picture and you already know solar follows the sun.

The chart is the sign. Read it as a picture and you already know solar follows the sun.

The chart is the sign. Read it as a picture and you already know solar follows the sun.

The artwork is a bar chart of one day’s output: bars rising from sunrise, peaking between 11 AM and 4 PM, falling to a moon at the right edge. The cards sit around it.

Sunrise, low output
Midday peak
11 AM to 4 PM
Night, none
Seasonal energy generation
Spring0kWh/day
Summer0kWh/day
Fall0kWh/day
Winter0kWh/day
As printed on the board. Placeholders: the park's real readings never arrived.
The bar chart on the final board: yellow bars rising and falling under the sun's path, with the seasonal generation column at the right

Fig. 07 · The chart on the final board. Output rises from sunrise, peaks at midday and falls to a moon at the right edge.

What it cost

A chart is less friendly than an illustration, and it takes most of the board. Everything else had to fit around it. The seasonal figures beside it, 80, 100, 70 and 60 kWh a day, were placeholders. My October notes say I wanted the park’s real readings. The final board still carries the placeholders.

06 · Decision 02

The conclusion goes at the top. The mechanism sits to the right, for whoever stays.

The conclusion goes at the top. The mechanism sits to the right, for whoever stays.

The conclusion goes at the top. The mechanism sits to the right, for whoever stays.

The two upper-left cards say what a solar panel does and where solar shows up in ordinary life. The six-step chain from panel to home is there to read, never required.

The upper-left cards on the final board: How do solar panels work, and Solar power in everyday life

Fig. 08 · The upper-left cards on the final board. The title became a question: How do solar panels work?

What it cost

It front-loads the least technical content, which reads as simple to an expert. For a public park that is the right trade. For a science museum it would not be.

07 · Decision 03

Everyday things, not only physics. Homes, lights, recycling and cars.

Everyday things, not only physics. Homes, lights, recycling and cars.

Everyday things, not only physics. Homes, lights, recycling and cars.

The everyday-life card uses four icons: a home, a light, recycling and a car. The artwork around the chart has buildings, trees and panels, so the energy lands somewhere a visitor recognises.

The lower half of the final board: solar panels, small buildings and trees around the yellow bars

Fig. 09 · The lower half of the final board: panels, buildings and trees around the chart.

What it cost

Decoration on an information graphic competes with the data, and a purist would cut it first. The community profile described families who learn by playing, so it stayed.

08 · Decision 04

A way out of the board. A QR code for anyone who wants more.

A way out of the board. A QR code for anyone who wants more.

A way out of the board. A QR code for anyone who wants more.

A QR code in the lower left links to Clarkdale’s renewable-energy work. The board answers the glance and the link answers the interest. The idea came from a study of smart facilities in Shenzhen’s parks.

The QR code on the final board with the line Join Clarkdale in our journey toward a renewable future

Fig. 10 · The QR code and its invitation, lower left of the final board.

What it cost

A code on a permanent outdoor sign is a maintenance promise: the page it points to has to outlive the print. My notes also say it must stay optional, since not every visitor is comfortable with a phone.

09 · Testing

Four people on an eye tracker. They read the words first and found the picture later.

Four people on an eye tracker. They read the words first and found the picture later.

Four people on an eye tracker. They read the words first and found the picture later.

The first board went through Tobii Pro Lab with four participants, against six evaluation criteria our team split between us. It shows where attention went and in what order. It cannot say which version is better.

Tobii Pro Lab gaze heat map over the first board, four recordings combined
1
The explanation, read first
The first fixations landed on the sentence about photovoltaic cells. People read before they looked.
2
The one hard number
4,000 lbs of CO2 drew one of the hottest spots on the board.
3
A label on the artwork
Step 6 sat on top of the illustration. The eye stalled there.
4
Seasonal figures, cold
The kWh column at the right edge drew almost nothing.
5
The QR corner, cold
The lower-left corner, the board's only way to more, was among the coldest areas.

Fig. 11 · Tobii Pro Lab heat map over the first board, four recordings combined. Hover a number to see the finding. The software’s webcam panel is cropped out.

Tobii Pro Lab · gaze recording

Fig. 12 · Eight seconds of one participant on the first board.

My read at the time

Text drew attention first and held it longest. The graphics were noticed after. So the board’s key figures had to stand out more, and the step chain needed more room and a clear order. Four people are enough to say where attention went, and not enough to say one version is better.

01

Ease of learning (mine)

Do titles, key terms and icons draw the eye first, and how long do people spend on the detailed parts?

02

Navigation

Does the eye move in the order the content assumes?

03

Language

Is the wording short and approachable for a mixed-age reader?

04

Organisation

Does the layout hold a reading sequence without instructions?

05

Maintenance

Can it survive weather and be updated without a redesign?

06

Accessibility

Contrast, type size and layout clarity for readers with low vision.

Team Technology split six evaluation criteria between its six members. Ease of learning was mine.

10 · Iteration

Five critique points, five changes. None of them were my ideas.

Five critique points, five changes. None of them were my ideas.

Five critique points, five changes. None of them were my ideas.

The first board went to the eye tracker and to three reviewers at the same time: our instructor and two reviewers from the Clarkdale side. I marked five problems on the first board and the five fixes on the final one.

The first board, October 2024First board, Oct
The final board, November 2024Final board, Nov
Pick a critique point to see where it landed on the final board.

Fix 01

Step direction

Numbered steps in one card, with arrows.

Fix 02

Overlap

Labels off the artwork, which sits behind a card.

Fix 03

Gradient

Purple out, the town’s teal gradient in.

Fix 04

Interactive features

The QR code kept as the route to more.

Fix 05

Icon consistency

One sun, drawn to match the icon set.

Also changed, and not changed

Headings moved to sentence case, and the step title became a question. My reflective memo also lists a note on the water figure and an average-household note on the seasonal column. Neither is on the final artwork file I have.

The first board annotated with five problems: no clear step direction, content and graphic overlap, gradient issue, missing interactive features, icon inconsistency

Fig. 13 · First board, annotated with the five problems.

The final board annotated with the fixes: clear step direction, no overlap, brand gradient, QR code, icon consistency and sentence case

Fig. 14 · Final board, annotated with the fixes.

11 · Process

Eight steps over one semester. A small stack behind them.

Eight steps over one semester. A small stack behind them.

Eight steps over one semester. A small stack behind them.

Solo design inside a six-person team, from reading in August to the handover on 7 December 2024. Figma and Illustrator for the board, Tobii Pro Lab for testing, Google Docs for the copy.

Aug 2024
Dec 2024
Aug to Sep
1
Reading
25+ papers
18 Sep
2
Kickoff
Clarkdale, park visit
Sep
3
Community
profile of park users
Oct
4
Concept
whiteboard, sign plan
Oct
5
First board
A Solar Day in the Life
Nov
6
Eye tracking
4 participants
Nov
7
Revision
5 critique points
7 Dec
8
Handover
presented to the town
Research
Design
Test
Deliver
StackFigmaAdobe IllustratorGoogle DocsGoogle ScholarTTobii Pro LabASUASU Library

01

Reading

Aug to Sep, 25+ papers

02

Kickoff

18 Sep, Clarkdale and the park

03

Community profile

Sep, who uses the park

04

Concept

Oct, whiteboard and sign plan

05

First board

Oct, A Solar Day in the Life

06

Eye tracking

Nov, 4 participants

07

Revision

Nov, 5 critique points

08

Handover

7 Dec, presented to the town

Tools

Figma and Adobe Illustrator for the board and the chart, Tobii Pro Lab for the eye tracking, the ASU Library and Google Scholar for the reading, and Google Docs for the copy and the memos.

12 · Outcomes

One board, handed over and installed. Nothing measured after that.

One board, handed over and installed. Nothing measured after that.

One board, handed over and installed. Nothing measured after that.

The board was presented to the Town of Clarkdale on 7 December 2024 and is installed at Selna Mongini Park. Everything else here is a count or a trace, labelled with its source.

0 board
handed over to the Town of Clarkdale, then installed at Selna Mongini Park
Handover photographs, 7 Dec 2024. No photo of the installed board yet.
Shipped
0+
papers and case studies read before the first sketch
Annotated bibliography, via the ASU Library
Counted
0
participants eye-tracked on the first board
Recording 1
Recording 2
Recording 3
Recording 4
Tobii Pro Lab recordings and the combined heat map
Measured
0
critique points on the first board, all five changed
Step direction
Overlap
Gradient
Interactive features
Icon consistency
Annotated first and final boards
Traceable
0
concept dropped before the first board
A live screen showing the park's solar output
October whiteboard and the sign plan
Traceable

1 board

Handed over to the Town of Clarkdale and installed at Selna Mongini Park

Handover photographs, 7 Dec 2024. No photo of the installed board yet.

Shipped

25+

Papers and case studies read

Annotated bibliography

Counted

4

Participants eye-tracked on the first board

Tobii Pro Lab recordings

Measured

5

Critique points, all five changed

Annotated first and final boards

Traceable

1

Concept dropped: a live solar-output screen

October whiteboard and sign plan

Traceable

Atharva with the project cohort and town staff in front of the boards on easels

Fig. 15 · Handover presentation to the Town of Clarkdale, 7 December 2024.

Atharva presenting the printed board on an easel

Fig. 16 · Presenting the printed board at the handover.

The final board open on a laptop

Fig. 17 · The final board on screen.

About the numbers

An earlier write-up claimed a 35% rise in engagement, 40% easier learning and 60% accessibility compliance. None of them was measured, so none is on this page. Sixty per cent would have been a failing compliance result anyway.

13 · Reflection

The picture carried the idea. The numbers on it were placeholders.

The picture carried the idea. The numbers on it were placeholders.

The picture carried the idea. The numbers on it were placeholders.

One move worked, one limitation stands, one fix is overdue, and half a day on site would settle what the eye tracker could not.

What worked

The data is the artwork

Making the chart the artwork is why the board says anything to someone walking past. I would reach for it again anywhere the first read is involuntary.

The limitation

Nobody went back to the park

The board was eye-tracked before it was finished and never tested after it was installed. Every claim about what it teaches rests on four people, indoors, on a screen.

Overdue

Put real numbers on the board

4,000 lbs of CO2, 40% lower energy costs, 500 gallons of water and the seasonal kWh were illustrative. I flagged the water figure myself in November and it still shipped. The park’s panels produce real readings, and the board should carry them.

Next time

Half a day on site

Two hours at three times of day, counting stop rate and dwell time against a nearby sign with no chart, plus one question for visitors: what does the yellow shape mean?

What I kept

When the first read is involuntary, the picture has to carry the idea by itself. Everything else on the board is for the people who stay.

When the first read is involuntary, the picture has to carry the idea by itself. Everything else on the board is for the people who stay.