Wikipedia:WikiProject U.S. Roads/Utah/By county

Beaver County

• SR-1 → I-15, 1927-present
• SR-4 → I-70, 1965-present
• SR-21, 1927-present
• SR-76, 1941-1963?
• SR-127 → SR-126, 1931-1969
• SR-129, 1933-1969
• SR-130, 1933-present
• SR-153, 1945-present
• SR-160, 1961-present
• SR-161, 1961-1964
• SR-257, 1955-present
• SR-310, 1972-present

Box Elder County

• SR-1 → I-15, 1927-present
• SR-3 → I-84, 1962-present
• SR-13, 1977-present
• SR-41, 1927-1962
• SR-42, 1927-present
• SR-69 → SR-38, 1931-present
• SR-70 → SR-30, 1931-present
• SR-81, 1935-present
• SR-82, 1935-present
• SR-83, 1935-present
• SR-84 → SR-126, 1935-present
• SR-85, 1945-1953
• SR-85 → US-91, 1960-present
• SR-90, 1947-1969
• SR-90, 1975-present
• SR-102, 1931-present
• SR-106 → SR-50 → US-89, 1966-present
• SR-129, 1982-1989
• SR-154, 1933-1969
• SR-215, 1941-1953
• SR-240, 1983-present
• SR-251, 1953-1969
• SR-312, 1972-present
• SR-315, 1974-present

Cache County

• SR-1 → SR-85 → US-91, 1927-present
• SR-2 → SR-13 → US-89, 1927-present
• SR-23, 1953-present
• SR-39, 1927-present
• SR-61, 1931-present
• SR-69 → SR-30, 1931-present
• SR-101, 1931-present
• SR-142, 1933-present
• SR-162 → SR-165, 1965-present
• SR-163, 1933-1966
• SR-164, 1933-1953
• SR-170, 1935-1969
• SR-188 → SR-288, 1935-2007
• SR-192, 1935-1953
• SR-200, 1939-present
• SR-217, 1941-1969
• SR-218, 1941-present
• SR-237, 1969-2007
• SR-238, 1945-1953
• SR-238, 1969-2007
• SR-239, 1981-2007
• SR-242, 1949-1969
• SR-243, 1953-present
• SR-252, 2007-present
• SR-304, 1972-present

Carbon County

• SR-8 → SR-27 → US-6, 1927-present
• SR-10, 1927-present
• SR-33 → US-191, 1927-present
• SR-50, 1935-1969
• SR-53, 1931-1969
• SR-55, 1975-present
• SR-96, 1935-present
• SR-123 → SR-122, 1931-present
• SR-124 → SR-123, 1931-present
• SR-124, 1935-present
• SR-139, 1933-present
• SR-157, 1933-present
• SR-182A → SR-283, 1945-2001
• SR-205, 1939-1953
• SR-207, 1941-1945
• SR-236, 1945-1969
• SR-240, 1947-1953
• SR-244, 1953-present
• SR-264, 1985-present

Daggett County

• SR-43, 1927-present
• SR-44, 1927-present
• SR-165, 1933-1935
• SR-165, 1935-1969
• SR-166, 1933-1969
• SR-220, 1941-1957
• SR-260 → US-191, 1957-present

Davis County

• SR-1 → I-15, 1927-present
• SR-5 → SR-3 → I-84, 1927-present
• SR-5 → I-215, 1962-present
• SR-37, 1945-present
• SR-49 → US-89, 1927-present
• SR-49A, 1953-1966
• SR-60, 1935-present
• SR-68, 1961-present
• SR-84 → SR-126, 1969-present
• SR-93, 1961-present
• SR-103, 1965-present
• SR-105, 1931-1945
• SR-105, 1965-present
• SR-106, 1931-1953
• SR-106, 1953-present
• SR-107, 1931-present
• SR-108, 1931-present
• SR-109, 1931-1969
• SR-109, 1969-present
• SR-110, 1931-1969
• SR-110, 1969-present
• SR-127, 1965-present
• SR-131, 1933-2001
• SR-156, 1933-1953
• SR-168, 1962-present
• SR-169, 1962-1977
• SR-193, 1935-present
• SR-194, 1935-1947
• SR-195, 1935-1947
• SR-206, 1939-1969
• SR-225, 1964-present
• SR-227, 1964-present
• SR-232, 1941-present
• SR-249, 1953-1961
• SR-255, 1953-1969
• SR-272, 1969-2001
• SR-273, 1969-present

Duchesne County

• SR-6 → US-40, 1927-present
• SR-8 → SR-53, 1927-1969
• SR-33 → US-191, 1927-present
• SR-35 → SR-32 → SR-35, 1927-present
• SR-86, 1935-1969
• SR-87, 1935-present
• SR-122 → SR-121, 1931-present
• SR-134, 1933-1939
• SR-134, 1939-1969
• SR-150, 1953-present
• SR-199, 1943-1969
• SR-208, 1941-present
• SR-216, 1941-1969
• SR-221, 1941-1964
• SR-221, 1964-1969
• SR-237, 1945-1947
• SR-252, 1953-1969
• SR-305, 1972-by 1990
• SR-311, 1972-present

Emery County

• SR-4 → I-70, 1962-present
• SR-8 → SR-27 → US-6, 1927-present
• SR-10, 1927-present
• SR-19, 1969-present
• SR-24, 1935-present
• SR-29, 1927-present
• SR-31, 1927-present
• SR-57, 1931-present
• SR-92, 1935-1969
• SR-123 → SR-122, 1931-1945
• SR-124, 1945-present
• SR-155, 1933-present
• SR-236, 1945-1969
• SR-264, 1985-present
• SR-303, 1972-present
• SR-309, 1972-present

Garfield County

• SR-11 → US-89, 1927-present
• SR-12, 1927-present
• SR-20, 1927-present
• SR-22, 1927-present
• SR-23, 1927-1947
• SR-54, 1931-1969
• SR-63, 1975-present
• SR-90, 1943-1947
• SR-95, 1949-present
• SR-117, 1957-1966
• SR-120, 1931-1935
• SR-143, 1984-present
• SR-276, 1965-present

Grand County

• SR-8 → SR-4 → I-70, 1927-present
• SR-9 → US-163 → US-191, 1927-present
• SR-19, 1969-present
• SR-93, 1935-1953
• SR-94, 1935-1969
• SR-94, 1969-present
• SR-129 → SR-128, 1931-present
• SR-278 → SR-313, 1961-present
• SR-279, 1961-present

Iron County

• SR-1 → I-15, 1927-present
• SR-14, 1927-present
• SR-16, 1935-1955
• SR-18, 1927-present
• SR-19, 1927-1969
• SR-20, 1927-present
• SR-38, 1968-1975
• SR-55, 1931-1969
• SR-56, 1931-present
• SR-58, 1965-1969
• SR-76, 1968-1969
• SR-90, 1935-1947
• SR-98, 1935-1969
• SR-120, 1935-1945
• SR-120, 1945-1969
• SR-128 → SR-127, 1931-1953
• SR-130, 1965-present
• SR-143, 1933-present
• SR-148, 1985-present
• SR-190 → SR-289, 1935-present
• SR-198, 1935-1945
• SR-199, 1935-1943
• SR-253, 1953-1969
• SR-254, 1953-1969
• SR-271, 1978-present
• SR-274, 1975-present

Juab County

• SR-1 → I-15, 1927-present
• SR-11, 1927-1969
• SR-26 → SR-27 → US-6, 1927-present
• SR-28, 1927-present
• SR-36, 1927-present
• SR-54, 1971-present
• SR-67, 1975-1991
• SR-132, 1933-present
• SR-148, 1935-1945
• SR-148, 1945-1969
• SR-160, 1935-1953
• SR-163 → SR-78, 1968-present
• SR-214, 1941-1953
• SR-215, 1968-1969

Kane County

• SR-11 → US-89A, 1927-present
• SR-14, 1927-present
• SR-15 → SR-9, 1927-present
• SR-136, 1933-1969
• SR-259 → US-89, 1957-present
• SR-277, 1964-1986
• SR-308, 1972-2003

Millard County

• SR-1 → I-15, 1927-present
• SR-13 → SR-4 → I-70, 1927-present
• SR-21, 1927-present
• SR-26 → US-50, 1927-present
• SR-27 → US-6, 1927-present
• SR-63, 1931-1971
• SR-63A, 1953-1969
• SR-64, 1975-present
• SR-99, 1935-1969
• SR-99, 1969-present
• SR-100, 1935-present
• SR-126 → SR-125, 1931-present
• SR-148 → SR-132, 1933-present
• SR-133, 1969-present
• SR-135, 1933-1969
• SR-136, 1985-present
• SR-140, 1933-1969
• SR-141, 1933-1969
• SR-159, 1979-present
• SR-161, 1965-present
• SR-174, 1985-present
• SR-215, 1968-1969
• SR-240, 1966-1969
• SR-257, 1955-present

Morgan County

• SR-5 → SR-3 → I-84, 1927-present
• SR-65, 1931-1945, 1947-present
• SR-66, 1931-present
• SR-85, 1935-1945
• SR-86, 1975-present
• SR-158, 1933-1969
• SR-167, 1985-present
• SR-219, 1941-1969
• SR-306, 1972-present

Piute County

• SR-11 → US-89, 1927-present
• SR-22, 1927-present
• SR-24, 1927-present
• SR-25, 1953-present
• SR-62, 1931-present
• SR-97, 1935-1945
• SR-153, 1945-present

Rich County

• SR-2 → SR-13 → US-89, 1927-present
• SR-3 → SR-16, 1927-present
• SR-51 → SR-30, 1931-present
• SR-39, 1927-present
• SR-145, 1933-1969
• SR-161, 1933-1935
• SR-162, 1933-1935

Salt Lake County

• SR-1 → I-15, 1927-present
• SR-4 → SR-2 → I-80, 1927-present
• SR-5 → I-215, 1962-present
• SR-48, 1927-present
• SR-65, 1931-present
• SR-67, 1931-1962
• SR-68, 1931-present
• SR-71, 1931-present
• SR-111, 1931-present
• SR-140, 1984-present
• SR-151, 1987-present
• SR-152, 1933-present
• SR-153, 1933-1945
• SR-154, 1989-present
• SR-159, 1933-1945
• SR-160 → SR-161, 1933-1953
• SR-171, 1935-present
• SR-172, 1935-1969
• SR-172, 1985-present
• SR-173, 1935-1947
• SR-173, 1965-present
• SR-174, 1935-1965
• SR-176, 1935-1969
• SR-177, 1965-1987
• SR-181, 1935-2007
• SR-181A → SR-282, 1962-present
• SR-184, 1963-2007
• SR-186, 1935-present
• SR-187, 1935-1941
• SR-187 → SR-287, 1941-present
• SR-190, 1987-present
• SR-195, 1947-2007
• SR-201, 1939-present
• SR-202, 1961-1967
• SR-202, 1969-present
• SR-209, 1969-present
• SR-210, 1941-present
• SR-229, 1941-1969
• SR-231, 1941-1945
• SR-239, 1947-1969
• SR-249, 1953-1961
• SR-249, 1961-1969
• SR-266, 1959-present
• SR-267, 1966-1969
• SR-268, 1960-present
• SR-269, 1960-present
• SR-270, 1960-present
• SR-271 → US-89, 1964-present
• SR-292, 1969-present
• SR-293, 1969-?
• SR-297, 1969-1999
• SR-299, 1977-present
• SR-317, 1983-present

San Juan County

• SR-9 → US-666 → US-491, 1927-present
• SR-46, 1927-present
• SR-47 → US-163, 1927-present
• SR-95, 1935-present
• SR-163 → SR-162, 1986-present
• US-191, 1981-present
• SR-211, 1968-present
• SR-261, 1957-present
• SR-262, 1958-present
• SR-263 → SR-276, 1969-present
• SR-275, 1975-present
• SR-278 → SR-313, 1961-present
• SR-316, 1975-present

Sanpete County

• SR-11 → SR-132, 1927-present
• SR-28, 1927-present
• SR-29, 1927-1969
• SR-30 → SR-117, 1935-present
• SR-31, 1927-present
• SR-32 → US-89, 1927-present
• SR-91, 1935-1969
• SR-116, 1931-present
• SR-137, 1933-present
• SR-189 → SR-290, 1935-present
• SR-256, 1970?-present
• SR-264, 1985-present

Sevier County

• SR-13 → SR-4 → I-70, 1927-present
• SR-10, 1927-present
• SR-11 → US-89, 1927-present
• SR-24, 1927-present
• SR-24A, ?
• SR-25, 1927-present
• SR-28, 1969-1977
• SR-62, 1931-present
• SR-63 → SR-26 → US-50, 1931-present
• SR-72, 1933-present
• SR-76, 1977-present
• SR-118, 1931-present
• SR-119, 1931-present
• SR-120, 1969-present
• SR-135, 1969-1992
• SR-170 → SR-260, 1992-present
• SR-194, 1953-1959
• SR-194, 1959-1969
• SR-256, 1955-1969
• SR-256, 1970?-present
• SR-258, 1957-1969
• SR-258, 1969-present
• SR-259, 1992-present
• SR-263, 1959-1969

Summit County

• SR-4 → SR-2 → I-80, 1927-present
• SR-5 → SR-3 → I-84, 1927-present
• SR-6 → US-40, 1927-present
• SR-32, 1989-present
• SR-34, 1927-1953
• SR-35, 1927-1989, 1990-present
• SR-65, 1931-1945, 1947-present
• SR-86, 1986-present
• SR-89, 1935-1953
• SR-97, 1945-1963
• SR-125 → SR-124 → SR-196, 1931-1969
• SR-133, 1933-1969
• SR-150, 1933-present
• SR-151, 1933-1977
• US-189, 1977-1990
• SR-213, 1941-1969
• SR-223, 2001-2002
• SR-224, 1963-present
• SR-241, 1947-1969
• SR-248, 1953-present
• SR-280, 1961-present
• SR-302, 1972-present

Tooele County

• SR-4 → SR-2 → I-80, 1927-present
• SR-36, 1927-present
• SR-58, 1931-1953
• SR-58, 1969-present
• SR-73, 1933-1935, 1945-present
• SR-112, 1931-present
• SR-138, 1933-1953
• SR-138, 1965-present
• SR-178, 1935-1969
• SR-179, 1935-1969
• SR-180, 1935-1961
• SR-196, 1998-present
• SR-198, 1945-1969
• SR-199, 1969-present
• SR-202, 1939-1953
• SR-215, 1957-1959
• SR-900, 1999-present
• SR-901, 1999-present

Uintah County

• SR-6 → US-40, 1927-present
• SR-44 → US-191, 1927-present
• SR-45, 1927-present
• SR-88, 1935-present
• SR-122 → SR-121, 1931-present
• SR-149, 1933-present
• SR-207, 1945-1968
• SR-209, 1941-1969
• SR-245, 1953-1969
• SR-246, 1953-1969
• SR-264, 1959-1969
• SR-301, 1972-present

Utah County

• SR-1 → I-15, 1927-present
• SR-7 → US-189, 1927-present
• SR-8 → US-89, 1927-present
• SR-26 → SR-27 → US-6, 1927-present
• SR-26A, ?
• SR-32, 1927-1977
• SR-51, 1992-present
• SR-52, 1931-present
• SR-68, 1931-present
• SR-71 → SR-74, 1931-present
• SR-73, 1933-present
• SR-75, 1935-1953
• SR-75, 1962-present
• SR-77, 1935-1953
• SR-77, 1962-present
• SR-78, 1935-1969
• SR-79, 1935-1953
• SR-80 → SR-92, 1935-present
• SR-96, 1935-present
• SR-105, 1945-1964
• SR-114, 1931-present
• SR-115, 1931-present
• SR-141, 1969-present
• SR-144, 1978-present
• SR-145, 1978-present
• SR-146, 1933-present
• SR-147, 1933-present
• SR-156, 1962-present
• SR-159, 1945-1969
• SR-164, 1962-present
• SR-167, 1935-1969
• SR-168, 1935-1953
• SR-177, 1935-1963
• SR-178, 2000-present
• SR-180, 1961-present
• SR-184, 1935-1963
• SR-185 → SR-296, 1935-present
• SR-191, 1945-1953
• SR-197, 1935-present
• SR-198, 1995-present
• SR-202, 1939-1953
• SR-203, 1939-1941
• SR-214, 1941-1953
• SR-214, 1962-1995
• SR-228, 1941-1969
• SR-233, 1945-1968
• SR-234, 1945-1968
• SR-241, 1969-present
• SR-247, 1953-1969
• SR-247, 1969-1984
• SR-265, 1959-present
• SR-267, 1959-1964
• SR-294, 1969-present
• SR-295, 1982-2003
• SR-320, 1992-present

Wasatch County

• SR-6 → US-40, 1927-present
• SR-7 → US-189, 1927-present
• SR-8 → SR-27 → US-6, 1927-present
• SR-32, 1989-present
• SR-34, 1927-1953
• SR-35, 1927-1989, 1990-present
• SR-113, 1931-present
• SR-125 → SR-124 → SR-196, 1931-1969
• SR-150, 1953-present
• SR-151, 1933-1977
• SR-152 → SR-190, 1963-1990
• SR-169, 1935-1953
• SR-220, 1966-1990
• SR-222, 1941-1969
• SR-224 → SR-222, 1941-present
• SR-223, 1941-1969
• SR-225, 1941-1963
• SR-241, 1947-1969
• SR-248, 1990-present
• SR-314, 1974-present
• SR-319, 1989-present

Washington County

• SR-1 → I-15, 1927-present
• SR-15 → SR-9, 1927-present
• SR-16, 1927-1935
• SR-16, 1935-1955
• SR-17, 1927-1969
• SR-17, 1969-present
• SR-18, 1927-present
• SR-34, 1964-present
• SR-58, 1965-1969
• SR-59, 1931-present
• SR-64, 1931-1969
• SR-120, 1945-1969
• SR-144, 1933-1969
• SR-191 → SR-181A → SR-67 → SR-281, 1935-1991
• SR-211, 1941-1953
• SR-212, 1941-present
• SR-219, 1985-present
• SR-228, 1981-present
• SR-300 → SR-8, 1972-present
• SR-307, 1972-1984
• SR-318, 1992-present

Wayne County

• SR-12, 1985-present
• SR-24, 1927-present
• SR-95, 1949-present
• SR-117 → SR-54, 1931-1969
• SR-121 → SR-72, 1931-present
• SR-237, 1947-1953
• SR-250, 1953-1969

Weber County

• SR-1 → I-15, 1927-present
• SR-5 → SR-3 → I-84, 1927-present
• SR-37, 1927-present
• SR-38, 1927-1966
• SR-39, 1927-present
• SR-40 → SR-134, 1935-present
• SR-49 → US-89, 1927-present
• SR-49A, 1953-1966
• SR-53, 1969-present
• SR-60, 1935-present
• SR-79, 1957-present
• SR-84 → SR-126, 1935-present
• SR-85, 1935-1945
• SR-89 → SR-169, 1975-1990
• SR-97, 1965-present
• SR-98, 1969-2000
• SR-103, 1931-1935
• SR-103, 1935-1964
• SR-104, 1935-present
• SR-106 → SR-50 → SR-26, 1966-present
• SR-108, 1941-present
• SR-158, 1990-present
• SR-163 → SR-162, 1933-1990
• SR-166, 1969-1990
• SR-167, 1985-present
• SR-168, 1962-present
• SR-175, 1935-1969
• SR-182 → SR-291, 1935-present
• SR-183 → SR-286, 1935-present
• SR-183A, 1945-1963
• SR-184A → SR-284, 1945-present
• SR-195, 1935-1945
• SR-203, 1941-present
• SR-204, 1939-present
• SR-205, 1963-1964
• SR-205, 1965-1969
• SR-226, 1941-present
• SR-227, 1941-1953
• SR-230, 1941-1969
• SR-231, 1945-1953
• SR-235, 1945-present
• SR-242, 1965-1969
• SR-285, 1969-present
• SR-298, 1972-present