SECTION 1. REVISION OF FEASIBILITY AND SUITABILITY
STUDIES OF EXISTING NATIONAL HISTORIC
TRAILS.
The National Trails System Act is amended by in-
serting after section 5 (16 U.S.C. 1244) the following new
section:
‘‘SEC. 5A. REVISION OF FEASIBILITY AND SUITABILITY
STUDIES OF EXISTING TRAILS FOR POSSIBLE
TRAIL EXPANSION.
‘‘(a) IN GENERAL.—
‘‘(1) DEFINITIONS.—In this section:
‘‘(A) ROUTE.—The term ‘route’ includes a
trail segment commonly known as a cutoff.
‘‘(B) SHARED ROUTE.—The term ‘shared
route’ means a route that was a segment of
more than one historic trail, including a route
shared with an existing national historic trail.
‘‘(2) 
STUDY
REQUIREMENTS
AND
OBJEC-
TIVES.—The study requirements and objectives spec-
ified in section 5(b) shall apply to a study required
by this section. The study shall also assess the effect
that designation of the studied route as a component
of an existing national scenic trail or national his-
toric trail may have on private property along the
proposed route.
‘‘(3) 
COMPLETION
AND
SUBMISSION
OF
STUDY.—A study listed in this section shall be com-
pleted and submitted to the Congress not later than
three complete fiscal years from the date of the en-
actment of this section, or from the date of the en-
actment of the addition of the study to this section,
whichever is later.
‘‘(4) IMPLEMENTATION OF STUDY RESULTS.—
Upon completion of a study required by this section,
if the Secretary conducting the study determines
that a studied route is a feasible and suitable addi-
tion to the existing national scenic trail or national
historic trail that was the subject of the study, the
Secretary shall designate the route as a component
of that national scenic trail or national historic trail.
The Secretary shall publish notice of the designation
in the Federal Register.
‘‘(b) OREGON NATIONAL HISTORIC TRAIL.—
‘‘(1) STUDY REQUIRED.—The Secretary of the
Interior shall undertake a study of the routes of the
Oregon Trail listed in paragraph (2) and generally
depicted on the map entitled ‘Western Emigrant
Trails 1830/1870’ and dated 1991/1993, and of
such shared routes that the Secretary considers ap-
propriate, to determine the feasibility and suitability
of designation of one or more of the routes as com-
ponents of the Oregon National Historic Trail.
‘‘(2) COVERED
ROUTES.—The routes to be
studied under paragraph (1) are the following:
‘‘(A) Whitman Mission route.
‘‘(B) Upper Columbia River.
‘‘(C) Cowlitz River route.
‘‘(D) Meek cutoff.
‘‘(E) Free Emigrant Road.
‘‘(F) North Alternate Oregon Trail.
‘‘(G) Goodale’s cutoff.
‘‘(H) North Side alternate route.
‘‘(I) Cutoff to Barlow Road.
‘‘(J) Naches Pass Trail.
‘‘(c) PONY EXPRESS NATIONAL HISTORIC TRAIL.—
The Secretary of the Interior shall undertake a study of
the approximately 20-mile southern alternative route of
the Pony Express Trail from Wathena, Kansas, to Troy,
Kansas, and such shared routes that the Secretary con-
siders appropriate, to determine the feasibility and suit-
ability of designation of one or more of the routes as com-
ponents of the Pony Express National Historic Trail.
‘‘(d) CALIFORNIA NATIONAL HISTORIC TRAIL.—
‘‘(1) STUDY REQUIRED.—The Secretary of the
Interior shall undertake a study of the Missouri Val-
ley, central, and western routes of the California
Trail listed in paragraph (2) and generally depicted
on the map entitled ‘Western Emigrant Trails 1830/
1870’ and dated 1991/1993, and of such shared
Missouri Valley, central, and western routes that the
Secretary considers appropriate, to determine the
feasibility and suitability of designation of one or
more of the routes as components of the California
National Historic Trail.
‘‘(2) COVERED
ROUTES.—The routes to be
studied under paragraph (1) are the following:
‘‘(A) MISSOURI VALLEY ROUTES.—
‘‘(i) Blue Mills–Independence Road.
‘‘(ii) Westport Landing Road.
‘‘(iii) Westport–Lawrence Road.
‘‘(iv) Fort Leavenworth–Blue River
route.
‘‘(v) Road to Amazonia.
‘‘(vi) Union Ferry Route.
‘‘(vii) Old Wyoming–Nebraska City
cutoff.
‘‘(viii) Lower Plattsmouth Route.
‘‘(ix) Lower Bellevue Route.
‘‘(x) Woodbury cutoff.
‘‘(xi) Blue Ridge cutoff.
‘‘(xii) Westport Road.
‘‘(xiii) Gum Springs–Fort Leaven-
worth route.
‘‘(xiv) Atchison/Independence Creek
routes.
‘‘(xv) Fort Leavenworth–Kansas River
route.
‘‘(xvi) Nebraska City cutoff routes.
‘‘(xvii) 
Minersville–Nebraska 
City
Road.
‘‘(xviii) Upper Plattsmouth route.
‘‘(xix) Upper Bellevue route.
‘‘(B) CENTRAL ROUTES.—
‘‘(i) Cherokee Trail, including splits.
‘‘(ii) Weber Canyon route of Hastings
cutoff.
‘‘(iii) Bishop Creek cutoff.
‘‘(iv) McAuley cutoff.
‘‘(v) Diamond Springs cutoff.
‘‘(vi) Secret Pass.
‘‘(vii) Greenhorn cutoff.
‘‘(viii) Central Overland Trail.
‘‘(C) WESTERN ROUTES.—
‘‘(i) Bidwell–Bartleson route.
‘‘(ii) Georgetown/Dagget Pass Trail.
‘‘(iii) Big Trees Road.
‘‘(iv) Grizzly Flat cutoff.
‘‘(v) Nevada City Road.
‘‘(vi) Yreka Trail.
‘‘(vii) Henness Pass route.
‘‘(viii) Johnson cutoff.
‘‘(ix) Luther Pass Trail.
‘‘(x) Volcano Road.
‘‘(xi) 
Sacramento–Coloma 
Wagon
Road.
‘‘(xii) Burnett cutoff.
‘‘(xiii) Placer County Road to Auburn.
‘‘(e) 
MORMON
PIONEER
NATIONAL
HISTORIC
TRAIL.—
‘‘(1) STUDY REQUIRED.—The Secretary of the
Interior shall undertake a study of the routes of the
Morman Pioneer Trail listed in paragraph (2) and
generally depicted on the map entitled ‘Western Em-
igrant Trails 1830/1870’ and dated 1991/1993, and
of such shared routes that the Secretary considers
appropriate, to determine the feasibility and suit-
ability of designation of one or more of the routes
as components of the Mormon Pioneer National His-
toric Trail.