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Here's a porcelain marker for SH 82, put up by Rocky Mountain Motorists Inc. (local precursor to AAA), probably from the 1920s. The gray spot in the middle is a bullet mark. Photo image courtesy George Sammeth. |
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Two versions of a larger porcelain sign. One is from SH 10 (today's US 160) that was in the town of Mancos. Note the SH 10 marker in the upper left, the Rocky Mountain Motorists Inc. logo in the upper right, and distances to various towns. Probably also dates from the 1920s. The other is from SH 11 (today's SH 131) at State Bridge. What cool signs! Photo images courtesy George Sammeth. |
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A blowup of the Rocky Mountain Motorists Inc. logo from the SH 10 sign above. |
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This
is the marker that was apparently used up until sometime in the 1930s.
The numbers are in the old-style "block" font. Photo from Scott Broady
via Lary Brown. |
These are photos of markers which apparently
started appearing in the 1930s. The "COLORADO" is embossed
while the number is painted on. This marker uses the modern rounded
font, rather than the older-style block font shown above. The two-digit version uses the FHWA Series D
font, while the three-digit version uses Series C. SH 90 is from 1939,
sent in by Lary Brown. SH 371 is from Michael Summa. SH 789 from Lary Brown. |
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Sometime in between 1956 and 1964, according to Colorado MUTCDs I've found at the Denver library, the route marker was changed to this. "COLORADO" was shortened to "COLO", and the font for the digits was changed. It was some kind of modified Series D that I can only call Series D Super Phat, because the stroke width is wider than usual. According to Michael Summa, on 18" markers two-digit signs had 8" digits while three-digit signs were 6". SH 96 photo by Steve Riner, SH 144 by Michael Summa. |
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The modern Colorado state highway marker. The emblem
in the top half of the marker is a replica of the Colorado state flag,
which has two blue bars and a red C with a sun inside it. Today the
marker generally uses the Series E font for the
digits, though there are three-digit markers out there with Series D.
Some places you might also see an extra-wide marker for 3-digit routes.
Photos by me. |
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This is the US highway marker first used in Colorado. This was the marker used across the US for the US highways when the system was first developed in 1926. Photo by Dale Sanderson. |
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A photo of a "cutout" style US highway marker, which
is standard in California. For a time during the late 1950s to 1970s
(and possibly into the 1980s), Colorado used this marker as the
"reassurance" marker and on high speed highways. Photo by me. |
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Colorado uses the same modern US highway marker that does most of the US. This marker started being used in Colorado in marker assemblies during the 1960s, and became the standard sometime after 1968. Today the marker generally uses FHWA Series D for the digits. Three-digit markers are rectangular, rather than square. Photo by me. |
Colorado uses the same modern Interstate
marker as does generally all of the US. The differences from one state
to another usually involves whether the state name is included in the
marker. By default in the 2003 national MUTCD the no state name marker
is the norm, while including the state name is allowed as an option. In
Colorado, the state supplement to the national MUTCD does not address
the issue. However, the state Standard Highway Signs book shows
the marker with the state name as default, but says in a note that
COLORADO is included only as part of signing on the mainline and is not
required elsewhere. Bottom line: COLORADO being included in the Interstate marker is hit-and-miss. Since CDOT generally farms out signing to contractors as part of resigning and repaving projects, whether or not COLORADO is in the marker probably depends on the contractor and who happens to be running the sign machine. Both photos by me. Related site: AARoads.com: State-by-State Interstate Marker Gallery |
Colorado has a system of marked scenic and
historic byways which use a marker with a columbine, the state flower.
Markers are usually placed at the beginnings, ends and turning points
of the route. More about scenic and historic byways |
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For county routes, each county has its own system for route markers. Go to my County Numbering page for more. |
Here's an old Rainbow Highway marker. The Rainbow route was one of Colorado's early 20th Century auto trails, going from Grand Junction to Pueblo along current US 50. Submitted by Lary Brown. |
An old US 40S marker. Submitted by Lary Brown. |
US 85-87 at the New Mexico border as it looked in the 1940s. Taken by Horace Condit Johnson, Jr. and submitted by Melissa Johnson. Shown are Melissa's aunts with a furry friend. |
US 85 at the Wyoming border, probably from the 1930s or '40s. The stone monument is probably right at the border line. Submitted by George Sammeth. |
Not sure of the story behind this photo. The marker is the version used up until the 1930s. Located along old SH 68 somewhere near Lookout Mountain. Submitted by Lary Brown. |
Old combination marker/destination sign for old SH 305. The sign was located at Huerfano CR 550/570 east of Red Wing, which was the SH 305/150 intersection until 1953. Incredibly, the sign survived until 1999, when road crews replaced it with a standard "To US 160" sign. The crew simply threw the sign in the grass off the road, and luckily Thomas Zieber was able to recover it and submitted this photo. It is 4' x 4' plywood, and the black square around the "COLORADO 305" was whited out sometime for some reason. |
The current state route marker design uses a representation of the state flag in its upper half and squashes the route number into the lower half. This marginalizes the number, reducing its visibility. The use of the colors in the flag leads to fading problems. Also, the font used for the digits is FHWA Series E, which to me looks obnoxiously out of proportion. Generally Series E is used only for text on large freeway guide signs, and Series D is used for the digits in US and Interstate route markers. Taking all these problems into account, I've come up with a new state route marker design based on the standard Colorado license plate, familiar to more than a few people.
Current State Route Marker |
Current Standard License Plate (1999-Present) |
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My Proposed State Route Marker |
The design of my proposed marker features the mountain range across the top, "COLORADO"
across the bottom and the number in the middle similar to the license
plate. The color of the number is black rather than green, though.
This design allows for a large number in the middle of the sign
rather than squashing it to the bottom. Series D is used for the
digits, except three-digit numbers not containing "1" which uses
Series C (see the 402 marker). Another advantage of this design is
fewer colors used, only two (green and black) versus the four (blue,
red, yellow, black) in the current marker.
Another aspect showing how the proposed marker is better is
comparing it to the US marker. The MUTCD section 2D.11 specifically
says state route markers should have numerals in size similar to the
US marker. Compare the numerals in the existing and proposed state
marker to the US marker: This picture also shows how much smaller the digits are in the current marker compared to the US marker. |
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Page created 11 July 2004
Last updated 30 November 2014