The following is a list of known Keystone Markers. Some are still extant, and others are now missing and only known through photographs and memories. Most of the markers that can still be found around Pennsylvania are the town name markers, though there are other varieties. Choose a category listed below to view a list of that type of marker.
View the database sorted by county
Town Names
Waterways
State Facilities and Universities
Historic Sites
Traffic Markers
Large Markers
Variants and Other Replacements
View the database sorted by county
Town Names
A
• Adamstown
• Allenwood
• Ambridge
• Ansonia
• Ashville
• Athens
• Austinburg
B
• Barto
• Bellefonte
• Berwyn
• Blue Ball #2
• Blue Ball #3
• Boyertown
• Bradford
• Branch Dale
• Briar Creek
• Bryn Athyn
• Bryn Mawr
• Bushkill
C
• Campbelltown
• Centerville
• Centerville
• Chester Springs
• Clarion
• Clinton
• Corsica
D
• Delmont #1
• Delmont #2
• Duncannon
E
F
• Falls Creek
G
H
• Hallam
• Homewood
• Homewood
I
J
• Jefferson (West)
• Jeffersonville
K
• Kennett Square
• Kimberton
• Kinzer (Gap – 2)
• Koppel
L
• Lahaska
• Large
• Lawn
• Lilly
• Limerick
• Lorane
M
• Media
• Mercersburg
• Millerstown
• Mohrsville
• Montdale
• Monterey
• Mt. Wolf
• Murrysville
N
• Neffsville
• New Albany
• New Hope
• Newlonsburg
• Norristown
O
• Oil City
P
• Paoli
• Philadelphia
• Philadelphia
• Pittsburgh
• Pottstown
Q
R
• Ringtown
• Rossiter
• Royersford
• Rutledge
S
• Saegertown
• Schnecksville
• Schoeneck – NEW
• Sheakleyville
• Souderton
• Strasburg
• Suedburg
T
• Talmage
• Trexlertown
U
• Union City
• Uniontown
V
• Vanport
W
• Warren
• Wellsville
• Wescoville
• West Chester
• West Grove
• Willow Grove
• Wilmore
• Wilson
• Wyomissing
Y
• Youngwood
Z
Waterways
A
• Antes Creek
B
C
D
F
G
H
J
L
M
N
P
R
S
T
V
W
Y
State Facilities and Universities
D
G
L
P
S
T
• Thiel College
W
Historic Sites
A
• Austin Dam
B
C
D
G
• Great Meadows
L
P
R
W
• Wyoming Massacre
Traffic Markers
D
P
• Private
S
T
Large Markers
B
C
D
G
K
R
S
T
Variants and Other Replacements
A
• Audubon
B
• Bradford Woods
C
D
E
• Eagleville
H
I
• Indian Rock
• Ingram
J
• Jarrettown
• Jennerstown
L
M
• McKean Forest
• Meadville
N
O
Q
S
• Selinsgrove
• Stargazer Stone
T
• Trespass Notice
• Trooper
W
• Wyndmoor
Y
• Yeadon Borough