WikiProject U.S. Bicycle Route System
|Part of WikiProject United States.|
An OSM project, now at version 1.6, mapping the U.S. Bicycle Route System (USBRS). The USBRS is a developing national network of bicycle routes, linking urban, suburban, and rural areas using a variety of appropriate cycling facilities. To date, 32 U.S. Bicycle Routes (USBRs) spanning 11,243 miles (18094 km) have been established in the District of Columbia and 24 states: Alaska, Arizona, Connecticut, Florida, Georgia, Idaho, Illinois, Indiana, Kansas, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, North Carolina, Ohio, Tennessee, Utah, Vermont, Virginia and Washington. Presently, more than 40 states are working on U.S. Bicycle Routes. These routes are selected and maintained by state Departments of Transportation (DOTs), and designated and catalogued by the American Association of State Highway and Transportation Officials (AASHTO). Source: Adventure Cycling Association (ACA).
By using OSM to create high quality maps of this growing network (and wonderful national resource), we can promote its further development and use. OSM is now a positive tool for geographic communication of existing and developing bicycle routing at local, state and national levels in the USA!
| international cycling map created from OSM data is available, provided by Andy Allan. The map rendering is still being improved, the data are updated every few days. It shows National Cycle Network cycle routes, other regional and local routes, and other cycling-specific features, such as:
|Waymarked Trails: Cycling by Sarah Hoffman is a layer superimposed over mapnik (Standard Map Layer) which shows marked cycle routes around the world. Updated minutely, it renders actual routes without the state=proposed tag. Therefore no proposed routes (or proposed numbering protocols) are displayed.|
Approved USBRs in OSM
Since July 2013, OpenStreetMap contains all approved USBRs (or endeavors to do so as routes are newly approved by AASHTO). These are tagged with network=ncn, ref=USBR # and cycle_network=US:US. In the Cycle Map layer (OCM), these display as solid red lines badged with red USBR numbers. Cycle Map also displays proposed USBRs (ongoing proposals distinctly moving towards AASHTO application as USBRs — or better, actual USBR application ballots before AASHTO) as dashed red lines badged with red USBR numbers. The Cycle Map renderer displays both approved and proposed routes, and the Waymarked Trails: Cycling (Lonvia) renderer displays only approved (not proposed) routes.
OpenStreetMap in the US also contains four significant national-scope bicycle routes (three display in OCM as solid red lines badged with red route acronyms) which are not strictly part of the USBRS: East Coast Greenway (ECG, which both shares and diverges from segments of USBR 1), Mississippi River Trail (MRT, identical to USBR 45 & 45A in Minnesota), Western New England Greenway (WNEG, identical to USBR 7) and International Selkirk Loop (ISL). ECG and MRT traverse several states over several thousand miles/kilometers. Hence, these two quasi-private (neither government-sanctioned nor approved by AASHTO, but public data) bicycle routes are determined to be so "national in scope" in the USA that their inclusion in OSM's national cycleway network is asserted as named (not numbered) quasi-national network=ncn routes. WNEG is a third such quasi-national route: while shorter than ECG and MRT, WNEG connects Canada (Montreal via Quebec's Route Verte) to the Atlantic Ocean at ECG. ISL crosses the Canadian border and is tagged cycle_network=US;CA), so ISL is "both" international (via its network=icn tag) and quasi-national (via the US component of its cycle_network= tag), which does not render in OCM, but does render in Waymarked Trails: Cycling. As quasi-national routes tagged cycle_network=US, ECG, MRT, WNEG and ISL exist alongside USBRs in OSM's national bicycle route hierarchy, but are not USBRs (except for USBR 45 and 45A in Minnesota, which are "both" USBRs and part of MRT, and noting that USBR 7 is identical to WNEG). It is easy to see if a USA national-scope bicycle route is national or quasi-national: national routes (USBRs) display numbers in their shields, while quasi-national routes (ECG + MRT + WNEG + ISL) display acronyms in their shields.
Here are current approved USBRs in OSM:
|Route||Relation||State(s) and notes||Shield(s)|
|United States Bicycle Route 1||Maine, New Hampshire, Massachusetts (Phase I and II segments), Virginia, North Carolina, Florida|
|United States Bicycle Route 1A||Maine|
|United States Bicycle Route 7||Vermont, Massachusetts, Connecticut|
|United States Bicycle Route 8||Alaska|
|United States Bicycle Route 10||Washington, Idaho, Michigan (current western terminus in Iron Mountain does not quite reach Wisconsin. Michigan DOT notes it is working with Wisconsin DOT to extend to Wisconsin).|
|United States Bicycle Route 10A||Idaho|
|United States Bicycle Route 11||Maryland|
|United States Bicycle Route 20||Michigan|
|United States Bicycle Route 21||Georgia|
|United States Bicycle Route 23||Tennessee|
|United States Bicycle Route 35||Michigan, Indiana|
|United States Bicycle Route 35A||Indiana. Discontiguous route in a single relation.|
|United States Bicycle Route 36||Illinois, Indiana|
|United States Bicycle Route 37||Illinois|
|United States Bicycle Route 41||Minnesota|
|United States Bicycle Route 45||Minnesota (Minnesota co-brands USBR 45 as Mississippi River Trail)|
|United States Bicycle Route 45A||Minnesota (Minnesota co-brands USBR 45A as Mississippi River Trail)|
|United States Bicycle Route 50|| District of Columbia, Maryland, Ohio, Indiana.
In Ohio, note that although ODOT's website features the alternative green shield, it has not received approval from FHWA to use it, so renderers should use the black and white shield for now.
|United States Bicycle Route 50A||Ohio|
|United States Bicycle Route 70||Utah|
|United States Bicycle Route 76||Virginia, Kentucky, Illinois, Missouri, Kansas|
|United States Bicycle Route 79||Utah|
|United States Bicycle Route 87||Alaska|
|United States Bicycle Route 90||Florida, Arizona|
|United States Bicycle Route 90A||Florida|
|United States Bicycle Route 95||Alaska|
|United States Bicycle Route 97||Alaska. Minor improvements might be made: USBR 97 uses Alaska State Route 1 north of Anchorage and that is a limited access highway for a portion there. As to the specific routing of USBR 97 along this stretch where bicycles are prohibited: "does the route use frontage roads or a trail along that section? It may be that there is a trail that parallels the freeway, can we confirm?" Alaska DOT notes: "The shoulder is closed to bicyclists at the North Birchwood overpass and cyclists are directed to the pathway on the east/south side of the highway until the Hiland road overpass, at which time the path is on the west/north side of the highway. The route through the downtown Eagle River area is a bit confusing." OSM endeavors to correct its data here.|
|United States Bicycle Route 108||Alaska|
|United States Bicycle Route 176||Virginia|
|United States Bicycle Route 208||Alaska|
|United States Bicycle Route 321||Georgia|
|United States Bicycle Route 521||Georgia|
|United States Bicycle Route 621||Georgia|
Proposed USBRs in OSM
It is critically important not to assume that a USBR corridor plus a guess on your part (for example, that there is already a state or regional route through that corridor) "means" that you can or should enter a proposed USBR into OSM. Only do so when you have solid knowledge that there is coordinated statewide activity actively assembling a USBR. This usually happens only as towns and cities along the route, affected counties, and the state Department of Transportation are all communicating and exhibit active and involved coordination, publishing something more substantial than an incomplete or simple draft map: an "active statewide project." (OSM's so-called "high bar standard" for entering a proposed USBR. The subsequent step, immediately prior to approval: a state ballot before AASHTO, can be called our "very high bar standard.") As the AASHTO approval process completes twice a year (in spring and autumn), a rough timeframe of a route first arriving here, proceeding to application as a ballot before AASHTO and gaining approval is approximately three to six months. However, some routes emerge and experience a rapid growth life cycle, quickly rocketing to Approved, while other routes languish in this Proposed table for years.
In addition to type=route + route=bicycle, tag such proposed statewide relations with network=ncn + cycle_network=US:US + ref=USBR # + state=proposed. Please add source=Where you learned the route members (e.g. "State DOT web site," "County Bicycle Committee Meeting, 9/9/2014" or "Pending AASHTO application"). Only if a route is a member of a super-relation with other routes sharing the same route number, add name=USBR # (name of state) to disambiguate each state's route as a super-relation member.
In the earliest stages of an existing network=rcn state route becoming a proposed network=ncn USBR, you may wish to simply add an ncn=proposed tag to the existing state route. In Cycle Map layer, this superimposes a dashed red line on top of the existing solid purple line (with no red numbered shields, keeping the purple numbered shields). If you do this (shortcut), it is correct to eventually update relation tags so they include those in the previous paragraph, as this requires changing the ref= value from the rcn-numbered (state) route to the ncn-numbered (USBR/national) route. An intermediate status in this scenario may be two relations: initially the state relation, then the shortcut of adding ncn=proposed to the state relation, then two relations (one representing the actual state route, another representing the proposed USBR/national route) which probably stay synced, then (likely) back to a single relation after AASHTO approval (assuming the state relation is deleted, having become subsumed by the USBR).
Creating super-relations (containing multiple relations of network=ncn routes, each relation containing road/cycleway members within a single state) is only appropriate for proposed routes when they are simultaneously proposed in multiple states. In this case, create one relation to contain road/cycleway members within a single state and similarly, another relation within another state. Then, if at least two states have an incipient network=ncn route proposed as a single numbered USBR, assemble these into a super-relation with state=proposed. A current example of this is proposed USBR 90 in Alabama, Mississippi and Louisiana: exactly these three statewide relations are in the super-relation for proposed USBR 90.
What follows are not yet approved USBRs, they are only serious proposals, with widely varying levels of activity. When at least this level of USBR development activity happens in a state, whether to an existing network=rcn route or with an as-yet-unmapped-in-OSM route, consider tagging the route as above where it is proposed. (Such consideration must meet at least the "high bar standard:" knowledge of a DOT's project to distinctly move towards a USBR application, not simply a corridor or vague draft map, but actual turn-by-turn directions of a largely complete route). As with any route, this means initially creating a properly-tagged relation, then adding/editing member roads/cycleways to that relation. Also, please do your best to keep this wiki table updated with your progress, for example, create a BrowseRelation entry for each new route relation. If you don't or can't update this table, please contact stevea with notes of your progress. Finally, please keep this table synchronized with state registry wikis (for example, Ohio).
|Proposed USBR #||Relation(s)||State(s)||Status and notes - usually where coordinated activity is taking place that will lead (or already has led) to a state application (ballot) to AASHTO|
|USBR 11||MD (done), WV, VA, NC||Incipient in Virginia and West Virginia, where both segments of this route are now fully entered into OSM. Concurrent with Blue Ridge Parkway from North Carolina northeasterly to a concurrency with USBR 76 continuing to near Waynesboro. Proposed to follow the Blue Ridge Parkway to Front Royal and then mostly secondary roads to Harpers Ferry, West Virginia.|
|USBR 21||KentuckyNo relation yet in Ohio nor Tennessee||OH, KY, TN, GA (done)||
Identified in ODOT's Access Ohio 2040 transportation plan as that state's highest priority USBR. A draft route map indicates it will largely follow the , superseding State Bike Route 1. As that is an existing state route, correctly entered into OSM as a network=rcn, we wait on further efforts until ODOT moves closer to an active USBR 21 project before we might tag existing Ohio rcn ref=1 with ncn=proposed, include rcn ref=1 members in a new ncn ref=21 relation, or create a new ncn ref=21 relation different from rcn ref=1.
Kentucky's DOT identifies a state bicycle route as a "USBR 21 AASHTO Identified Corridor" called "Bluegrass (Bike) Tour" (BBT), tagged network=rcn + ref=BBT + cycle_network=US:KY with spurs/alternate segments and a large loop around Lexington. As no active state project in Kentucky is known of to promote this to USBR 21 via AASHTO ballot, no corresponding ncn=proposed tag should be added to the relation. Kentucky's data in OSM boosts this row from red to yellow.
Tennessee indicates (via Georgia 21 ballot) that it plans to allocate USBR 121, implying some early development of 21 (and 121). However, no active state project in Tennessee is known.
|USBR 23||No relation yet in Kentucky nor Alabama||KY, TN (done), AL|| Potential early emergence in Kentucky suggests Mammoth Caves State Bicycle Route as a connection to USBR 23 in Tennessee.|
Possibly/perhaps incipient in Alabama. As no active project in either state is known about (here), it is suggested that this row entry in this table be deleted.
|USBR 25||AlabamaMississippi Tennessee Kentucky Ohio No relation yet in Michigan||AL, MS, TN, KY, OH, MI||
An Alabama DOT document from 2009 says on page 12 "it is recommended that the U.S. Bike Route 25 in Alabama be the same as the Underground Railroad Bicycle Route." However, Alabama appears not to be further developing this route nor does it have an active project to bring it to AASHTO. This is tagged network=rcn + ref=UGR + cycle_network=US:ACA + ncn=proposed so the first two keys display a solid purple line badged with purple UGR shields, and the last key superimposes a dashed red line (with no red 25 shields). Alabama state bicycle route NS1 is substantially similar to this route, and in fact NS1 and UGR parallel each other in much of the state: from Mobile north to Aliceville, where to follow both UGR and the USBR 25 corridor, Alabama state bicycle route C9 branches northwesterly to Mississippi.
Mississippi's UGR segment is tagged network=rcn + ref=UGR + cycle_network=US:ACA. Noted as the Mississippi relation in this row is ACA's UGR, though as no active project in the state is known of to promote this regional route to USBR 25, no ncn=proposed tag is added.
Tennessee's UGR segment is tagged network=rcn + ref=UGR + cycle_network=US:ACA. Noted as the Tennessee relation in this row is ACA's UGR, though as no active project in the state is known of to promote this regional route to USBR 25, no ncn=proposed tag is added.
Kentucky's DOT identifies a state bicycle route as a "USBR 25 AASHTO Identified Corridor" called "Underground Railroad Bike Tour" (URT), tagged network=rcn + ref=URT + cycle_network=US:KY. This is two discontiguous segments as the route slips into Indiana at Brandenburg, then re-emerges into Kentucky at Milton. No active project in the state is known of to promote this state route to USBR 25, so no ncn=proposed tag is added.
Indiana contains a portion of ACA's UGR route (from Maukport, near Brandenburg, Kentucky to Madison, near Milton, Kentucky), but this neither aligns (well) with the USBR 25 corridor nor is it entered into OSM.
In Ohio, ODOT's Access Ohio 2040 transportation plan targets designation of USBR 25 after USBR 21. A draft route map indicates that the route will follow the from Cincinnati to Xenia (as proposed by OKI ), the to Dayton, the and to the outskirts of Piqua, and roads from there on north. USBR 25 is currently mapped according to this proposal from Cincinnati to Xenia. As other potential USBR 25 in Ohio segments are now entered into OSM as actual statewide (network=rcn) routes, it seems best to leave these as they are until Ohio moves closer towards AASHTO application. The existing ACA UGR route in Ohio branches from the early proposed USBR 25 southeasterly from Milford to the Kentucky border at Aberdeen.
In Ohio and Michigan (and Ontario, Canada), ACA's UGR diverges significantly from the USBR 25 corridor. USBR 25 might continue northward through the Lower Peninsula of Michigan to Detroit, Bay City and Mackinaw City.
|USBR 30||WisconsinNo relation yet in Ohio||MT, ND, SD, MN, WI, MI (done), OH, PA, NY, VT, NH||
Incipient in Wisconsin. Presently concurrent with the Elroy-Sparta State Bike Trail, news from Adventure Cycling Association say this route is "nearly fully defined." The route will follow DNR trails nearly across the state except for an on-road portion from roughly Reedsburg to Madison. Two alternates are considered for the on-road portion, one using the ferry to cross the Wisconsin River at Merrimac and the other crossing the river in Sauk City. Possibly two routes will be implemented: one as USBR 30 and one as USBR 30A. The Wisconsin Bike Federation may have a soft-copy map document -- it is believed turn-by-turn directions are available. WisDOT and the DNR hired a consultant to help with the routing and public process around it, and the timeline for getting the final routes was November 2015. OSM contact: hobbesvsboyle
|USBR 30A||No relation yet in Ohio||OH:SAN, OH:ERI, OH:LOR||Not mapped yet. Proposed as part of ODOT's Access Ohio 2040 transportation plan. Stalled here (as a "red proposed route") until this gets further momentum from ODOT. (Too vague as a draft route to be considered a serious proposed route).|
|USBR 35||Mississippi (NTP)Tennessee (UGR, not likely to become USBR 35) (NTP, not likely to become USBR 35) Kentucky (RRT)||MS, TN, KY, IN (done), MI (done)||
In Mississippi, Natchez Trace Parkway (NTP) is emerging/incipient as USBR 35 (and possibly part of 25). This is tagged network=rcn + ref=NTP + cycle_network=US:NPS + ncn=proposed so the first two keys display a solid purple line badged with purple NTP shields, and the last key superimposes a dashed red line (with no red 35 shields). Note that in Mississippi there are two distinct NTP relations: one for the route=road, the other (noted here) for the route=bicycle + network=rcn (currently with identical members).
Tennessee's UGR segment is tagged network=rcn + ref=UGR + cycle_network=US:ACA. Note that Tennessee's network=rcn + ref=NTP relation both diverges from the USBR 35 corridor and is distinct from UGR. As it is much less clear (compared to Mississippi) that either relation is intended to be promoted to USBR 35, and no active project in the state is known of, neither route is additionally tagged ncn=proposed.
Kentucky's DOT identifies a state bicycle route as a "USBR 35 AASHTO Identified Corridor" called "Ramblin’ River Bike Tour" (RRT), tagged network=rcn + ref=RRT + cycle_network=US:KY from the Mississippi River at Hickman in far western Kentucky to the South Shore at the Ohio River in northeastern Kentucky. No active project in the state is known of to promote this state route to USBR 35, hence there should be no ncn=proposed tag on the relation.
Michigan's DOT (via Ottawa County) has a ballot before AASHTO's Fall 2016 round (late November 2016) to realign 8.3 miles of unsigned USBR 35 along Butternut Drive to better bicycle infrastructure along Lakeshore Avenue, Lakewood Boulevard, Division Avenue and Howard Avenue. These proposals are now in OSM.
|USBR 37||MichiganNo relation yet in Wisconsin||IL (done), WI, MI|| Wisconsin appears to be waiting on completion of USBR 30 before progress on USBR 37 continues in that state.
A route proposal in its entirety has emerged and is fully entered into OSM in Michigan (Upper Peninsula) as Michigan 35 from Menominee to Escanaba (continuing a potential USBR 37 in Wisconsin near or in Marinette).
|USBR 40||No relation yet in Ohio||NY, NJ, PA, OH, IN, IL, IA, SD, WY||
In Ohio, ODOT's Access Ohio 2040 transportation plan proposes a route for USBR 40 that follows the Great Ohio Lake-to-River Greenway in eastern Ohio but otherwise follows State Bike Route K, not yet entered into OSM. Hence, this is stalled here (as a "red proposed route") until further forward motion from ODOT or OSM discovers and presents a published Route K map available (in which case K should be entered into OSM as a network=rcn).
|USBR 40A||No relation yet in Ohio nor Indiana||OH:LUC, OH:FUL, OH:WIL||Not mapped yet. As part of ODOT's Access Ohio 2040 transportation plan, the proposed route would largely follow the and North Coast Inland Trail. The project awaits route data in the form of a map, turn-by-turn directions or a GPX file.|
|USBR 41||MN||Not fully mapped, but a seed relation exists at the south and north ends in Saint Paul where USBR 41 connects to USBR 45 and near Grand Portage at the Canadian border, allowing the "color" of this route to go from red to yellow. Minnesota Department of Transportation (MnDOT) states: "If all USBR 41 planning and map work is completed this summer, MnDOT intends to designate the route in October 2016. If necessary to wait, MnDOT will submit an application to designate the route at the next scheduled date, May 2017." MnDOT publishes a map showing the route traverses the eastern portion of the state, roughly paralleling Wisconsin and Lake Superior, serving the cities of St. Paul, White Bear Lake, Hinckley, Duluth, Two Harbors, Silver Bay, Grand Marais and Grand Portage. The project awaits more complete route data in the form of turn-by-turn directions (such as those found in an AASHTO ballot) or a GPX file.|
|USBR 50||DC (done), MD (done), PA, WV, OH (done), IN (done), IL, MO, KS, NE, CO, UT, NV, CA|| Emerging in Pennsylvania, entered in West Virginia, early development in Utah and early emergence in Nevada.|
In Pennsylvania, emergence of this proposal doesn't specify details except to include the Panhandle Trail, Montour Trail and some secondary roads. The eastern segment is speculative.
|USBR 51||Arkansas||LA, AR, MO||In the early stages of development in Arkansas (only). In OSM USBR 51 is now two discontiguous relations: one (between Bentonville and Fayetteville) is the Razorback Regional Greenway in NW Arkansas, another (along US 71) is near Fort Smith. The Fort Smith segment may continue onto US Route 71B (from US Route 71), routing north of here is unclear.|
|USBR 66||CA, AZ, NM, TX, OK, KS, MO, IL|| Incipient in California, New Mexico, Oklahoma.|
In California, USBR 66 is described by "California Bicycle Route 66 Concept Plan (Draft)" published on 8/15/2013 by the Southern California Association of Governments (SCAG). Both the "Preliminary Route Concept" and "Alternate Route Concepts" are fully entered into OSM. Volunteers and planning departments are working to harmonize with local jurisdictions which (if any) of the alternate routes might become part of a more final route. There remains a gap at MCLBB: the short version is that a formal request is going up the chain of command. Being optimistic, permission to traverse Boll Avenue (daytime only, must have acceptable ID...) has occurred before for a group of interstate bicyclists, so this approval might be considered "pending." ACA says SCAG receiving a MOU as a next intended step seems about right, though of course these things take time. Walt in southern California got more jurisdictions harmonious on the routing, accelerating the 66 effort! Volunteer KristenK has offered to scout POIs along portions of the proposed route. Any geographical suggestions for this trip?
|USBR 76||Wyoming||VA (done), KY (done), IL (done), MO (done), KS (done), CO, WY, MT, ID, OR|| Incipient in Wyoming. The route will follow US 287 from near Jackson to Rawlins, then US 287 Bypass onto Wyoming 76 onto I-80 at Exit 221 to Exit 235 onto SR 130, then SR 230 to the Colorado state line, where it becomes SR 125 in Colorado. There are challenges with traffic and road quality inside Yellowstone National Park. A possible routing would go through Jackson onto SR 22 into Idaho. What IS known about this route is entered into OSM (this is what is meant if this row is green), but omits yet-to-be-determined routing through northwest Wyoming.|
|USBR 79||Nevada||NV, UT (done), AZ||In Nevada, USBR 79 is emerging as Nevada State Route 487 from Utah westward to US Route 50 westward to Fallon, continuing west, then US Route 50-Alt to Fernley, where it will intersect with USBR 50.|
|USBR 80||Arkansas||OK, AR, TN, NC||Incipient in Arkansas. It is unclear where the route goes east of Pulaski at SR 5 and South University Avenue: north to SR 10? Or east on what might be SR 5 or might also be US 708?|
|USBR 84||Alabama||SC, GA, AL, MS, AR, TX||An Alabama DOT document from 2009 says on page 12 "it is recommended that U.S. Bike Route 84 follow the same route as the state bicycle route (EW2)." However, Alabama appears not to be further developing this route nor does it have an active project to bring it to AASHTO. This is tagged network=rcn + ref=EW2 + cycle_network=US:AL + ncn=proposed so the first two keys display a solid purple line badged with purple EW2 shields, and the last key superimposes a dashed red line (with no red 84 shields).|
|USBR 90||FL (done), AL, MS, LA, TX, NM, AZ (done), CA|| Incipient in Alabama, Mississippi, Louisiana.
In Alabama, USBR 90 is fully entered into OSM as it is proposed.
|USBR 110||Idaho||ID||Incipient in Idaho, submitted to AASHTO for Fall 2016 ballot. USBR 110 will clarify and supersede portions of USBR 10A. Entered into OSM.|
|USBR 210||Idaho||ID||Incipient in Idaho, submitted to AASHTO for Fall 2016 ballot. USBR 210 will clarify and supersede portions of USBR 10A. Entered into OSM.|
|USBR 410||Idaho||ID||Incipient in Idaho, submitted to AASHTO for Fall 2016 ballot. USBR 410 will clarify and supersede portions of USBR 10A. Entered into OSM.|
About the colors:
Green means that the route proposal(s) data are fully entered into OSM for the state(s) listed in bold and all that remains is AASHTO application and approval. After AASHTO approval, the route can be moved from the Proposed section to the Approved section.
Yellow means "only partially specified" ; additional volunteer work is needed to enter or correct additional route data into OSM. Yellow may also mean a route has a volunteer entering data, yet route ambiguities persist.
Red means that "something" (often very little) is known about the early stages of a proposed USBR, so it is useful to put a row in the table about it as a placeholder, but it is too early to create a route relation in OSM: either the state DOT hasn't yet received enough local approvals, a route map is too early a draft, or route data are not yet complete.
Permission by AASHTO to use state USBR ballots as submitted
OSM-US has explicit permission from AASHTO to enter into OSM routing data from state applications for USBRs ("ballots") as these are submitted by state DOTs (which may come from AASHTO's web site). This permission is documented by Robert Cullen, AASHTO's Information Resource Manager, dated July 31, 2015, sent to the OSM-US Secretary (Alex Barth at the time of request). Thusly, OSM volunteers are welcome to use state DOT ballot map data (which may come from AASHTO's web site) to submit proposed USBRs into OSM. Should such proposed USBR route data be submitted to OSM it is hereby expressly noted they are from an AASHTO publication which has copyright by AASHTO, and that explicit "Permission to reproduce and post these data has been granted to OpenStreetMap US by the American Association of State Highway and Transportation Officials." OSM-US thanks AASHTO for this permission.
A 29 minute video of the history of this project from its early days to about April, 2014, when this was presented at State Of The Map - United States in Washington, DC.