The street as ridden
Chalk, not paint. This zone holds what riders and agencies report about how riding here actually goes — letters, video, stops. A report is never a verdict: the law above stands on its own evidence, and nothing written here changes it.
Reports on file include device seizures.
Reports on file by evidence tier: A 0 · B 4 · C 1 · D 5. Counts, never rates. Last reviewed 2026-09-09.
Since 1 January 2026 this row reads seizure_risk, and the reason is a statute rather than anything anyone has watched happen. CVC 22651.08, added by AB 875, lets a peace officer remove a vehicle with fewer than four wheels that does not meet the definition of an electric bicycle, whose electric motor alone can propel it in excess of 20 miles per hour on a highway, ridden by an operator who is not licensed to operate it. Read those elements against a typical electric unicycle and every one of them is met. The licence element is met on PEVRA's reading of the code, and this record used to say it was met PERMANENTLY, which was too strong and is withdrawn. Three of the four classes plainly miss: Class C is an affirmative list wanting two or three axles, a length or a named type, and one wheel fits no entry on it; Class M2 is CVC 406's motorized bicycle, which wants two wheels or three. Class M1 is the open one. It reads "A two-wheel motorcycle or a motor-driven cycle" -- two limbs, and only the first counts wheels -- so whether it reaches this machine turns on CVC 405's requirement of a motor that displaces less than 150 cubic centimetres. PEVRA reads that as inapplicable to an electric motor; the untested contrary reading is that a motor displacing nothing displaces less than 150. The two readings have OPPOSITE consequences here, and the one PEVRA holds is the worse one for riders: on PEVRA's reading nobody can ever be licensed for the device and this seizure element is always satisfied, while on the contrary reading Class M1 would reach it and the element would fail. PEVRA publishes the reading it can support rather than the one it would prefer, and says here that the favourable one exists and that no court has chosen. Say exactly how far that argument gets, because it is a CHAIN and only its first link is solid. One: the machine has a seat and one wheel, so CVC 400(a) makes it a motorcycle -- settled enough that this jurisdiction's definition row has said it for months. Two: it is a motor-driven cycle only if an electric motor can "displace less than 150 cubic centimeters" -- contested, and PEVRA reads it the other way. Three: CVC 12804.9(b)(4)'s second limb would then reach it -- textually clean, never construed. Four: holding an M1 would make a rider "licensed to operate it" for CVC 22651.08 -- tested by nobody, anywhere. PEVRA does not advance this argument and no rider should act on it: an M1 endorsement is not protection against a wheel being taken, and getting one would not make the machine registrable under CVC 4000(a)(1), which is the bar that actually keeps it off the road. No citation, no arrest and no prior warning is required. The same section requires the machine back after a minimum of 48 hours once removal, seizure and storage costs are paid, and it leaves one mandatory public trail — a city or county that adopts administrative charges must post the schedule conspicuously on its own website.
PEVRA holds no record of an electric unicycle being seized in California, under this section or any other. That is the absence of a report and not a count of zero: no California agency PEVRA has found publishes removals by Vehicle Code section, so a wheel taken today would be uncountable by anyone, this project included. The value seizure_risk describes documented exposure and asserts no incidence. typical_outcome stays unknown for the same reason, seizure_reported stays false and flips only when a rider reports one, and statute_sections_observed stays empty because nothing has been observed. This is PEVRA's reading of text eight months old. No court has construed it.
Four Highway Patrol documents sit beside that statute, and they are dated. On 27 May 2026 the Highway Patrol issued an information bulletin, and the same day sent the same text to every police and sheriff's department in California as All-Agency Bulletin 285: a vehicle that cannot be registered or issued an identification number may not be legally operated on-highway or off-highway, and its operation is limited to private lands. The agency's own enforcement manual, Highway Patrol Manual 100.68 chapter 4, carries a heading no California statute contains — "Removal Authority for Undefined Electric Vehicle" — and under it tells officers how to tow one. On 28 May 2026, the next day, a Highway Patrol commander acknowledged advance notice of a multi-county group ride on these machines and copied the commanders whose areas it would cross.
Read those together, and do not let either half answer the other. PEVRA does not claim the commander had seen the bulletin, and does not claim the bulletin was aimed at this device: across both bulletins the words unicycle, one wheel, one-wheel, self-balancing and single wheel do not appear at all, and the subject throughout is electric bicycles and the new off-highway electric motorcycle class. What the pair shows is that legal exposure and actual treatment are different facts, and that one agency held both of them in the same week.
Three features of how this law is written belong on the enforcement axis rather than in a rule row, because each is about what officers and agencies do rather than about what a rider may do. First, almost nothing in it is compulsory: an officer MAY remove, a city MAY adopt charges, an agency MAY require a safety course, and the manual says commanders SHOULD develop tow procedures. Exactly two duties in the section are mandatory and both bind the state — the agency SHALL release the machine after a minimum of 48 hours once removal, seizure and storage costs are paid, and a jurisdiction that adopts charges SHALL post the schedule conspicuously on its own website. Second, the manual's restatement of the speed test drops three words the statute carries: the statute requires a motor capable of propelling the vehicle past 20 miles per hour ON A HIGHWAY, and the manual says only "in excess of 20 mph". Third, the Highway Patrol's own vehicle type codes have no entry for a one-wheeled device. Every named code is drawn by shape, so a stop, a citation or a removal involving this machine falls to a residual box — 96, Miscellaneous Motor Vehicle, beside a snowmobile, a golf cart and a pocket bike — which is the same accident as CVC 415(a)'s residual class, reproduced on the form an officer fills in. A machine with no code of its own cannot be counted, by the Highway Patrol or by PEVRA, and that is the honest reason the absence of reports recorded here is not a reassurance.
Two written statements from California law enforcement are on file, both dated 28 May 2026, both about the same multi-county group ride. A California Highway Patrol commander acknowledged advance notice of the route and copied the commanders whose areas the ride would cross. A county sheriff, the same day, forwarded that notice to sector lieutenants across the county and named the agencies with jurisdiction over the route. Neither statement says an electric unicycle is lawful, and neither was asked to. They record something narrower and still worth knowing: two agencies treated a group of riders as people to coordinate with rather than people to stop.
A rider in this community was stopped on a freeway on 26 May 2026, and the details matter more than the fact. A group riding electric unicycles and at least one electric scooter entered Interstate 280 NORTHBOUND in San Mateo County at the Millbrae on-ramp immediately before the CA-35 (Skyline Boulevard) exit, and left at that exit -- one on-ramp to the next off-ramp. A Highway Patrol unit was stationed just past the on-ramp. The riders chose that stretch because they understood it to be one of the I-280 segments open to bicycles. One rider was pulled over -- the scooter rider, who was last in line -- and every machine ahead of him rode on. He was given a verbal warning and his identification was taken and run. No citation was issued and nothing was removed. No Vehicle Code section was communicated to him, which is why statute_sections_observed above is still empty after this record: a stop that names no section cannot be counted, by the Highway Patrol or by PEVRA, and this is the second place in this record where the device's absence from the code makes the enforcement invisible.
This is tier C rather than tier D. The account is a rider's own, but it was written down the same afternoon in a group chat whose timestamps survive, other riders on the same ride replied to it in that thread, and a photograph exists showing the officer, a marked patrol vehicle and the stopped machine. PEVRA holds that material and does not publish it: the photograph shows an identifiable officer and a readable vehicle plate, the account belongs to the rider who lived it, and neither is needed to make the point. Two things about how this record came to exist are themselves part of it. The rider gave PEVRA permission to publish the account on 6 September 2026 and asked not to be named, and that condition binds this project permanently -- his name is not in this file, it is not in the commit that added it, and it does not go in later. And the date is confirmed by two people who were on that ride, the rider and the steward who maintains this record, rather than read off a timestamp alone.
Four things this record does NOT establish, and a reader should have all four. It is not an electric unicycle stop -- the rider stopped was on a scooter, and no wheel was stopped, cited or taken. It is not evidence that the stretch was lawful for anyone: the riders believed that section of I-280 was open to bicycles, and PEVRA has not verified that and does not repeat it. Even if it is open to bicycles, a bicycle exception would not reach either machine, and the reason is worth stating exactly because it is the reason no amount of signage research can rescue this row. CVC 21960 works by PROHIBITION, and subdivision (b) makes the SIGN the operative fact: a prohibition is effective only where appropriate signs giving notice of it are erected. So the question on any given stretch of freeway is not whether CVC 21960 could reach the device but which categories the sign at that on-ramp actually names. Subdivision (a) offers seven: pedestrians, bicycles, other nonmotorized traffic, and four powered ones -- a motor-driven cycle, a motorized bicycle, a motorized scooter, and an electrically motorized board. It adds one bridge and only one: a prohibition naming bicycles, motor-driven cycles, motorized scooters or electrically motorized boards is deemed to include motorized bicycles. Nothing in it makes a prohibition on any of those four reach any other of them. A sign that omits a category does not prohibit that category, and a segment open to bicycles is therefore not necessarily an unsigned segment -- it may be a signed one whose sign leaves bicycles out. PEVRA has surveyed none of these signs, so it asserts nothing about what CVC 21960 reaches on any particular stretch.
Except at this one ramp, where the sign has now been read. Two Google Street View captures of the northbound I-280 approach in Millbrae -- one dated August 2022, one dated May 2026, the month of this stop -- show a green FREEWAY ENTRANCE panel with the I-280 shield and NORTH beneath it, and, standing on the approach before the entrance, a white regulatory sign reading on four lines: PEDESTRIANS / MOTOR-DRIVEN CYCLES PROHIBITED. Its placement is what CVC 21960(b) asks for, signs erected upon the freeway "and the approaches thereto", so it is not a courtesy notice but the instrument that makes a prohibition effective here. Four of the seven categories subdivision (a) offers are absent from it: bicycles, motorized bicycles, motorized scooters and electrically motorized boards. Whether "motor-driven cycle" reaches this device is the whole question at this ramp, and PEVRA had it too confident. CVC 405 makes a motor-driven cycle "any motorcycle with a motor that displaces less than 150 cubic centimeters", and CVC 400(a) makes a motorcycle a motor vehicle "having a seat or saddle for the use of the rider, designed to travel on not more than three wheels in contact with the ground". A modern electric unicycle has one wheel and a seat or a surface intended for seating, so it satisfies CVC 400(a) -- as the definition row on this jurisdiction's page has said all along. Everything therefore rests on displacement, and displacement cuts two ways. PEVRA reads it as describing an internal-combustion engine, because displacement measures swept cylinder volume and an electric motor has none, which makes the clause inapplicable rather than satisfied; the structure of the code supports that, since CVC 406 expressly contemplates a device with "no pedals if powered solely by electrical energy" and CVC 21960(a) lists the electric categories separately, both of which would be redundant if "motor-driven cycle" already swallowed electric machines. Against it stands a plain-language reading nobody has tested: a motor that displaces nothing displaces less than 150 cubic centimetres. No California court has chosen, and PEVRA does not. An earlier version of this paragraph said the category "cannot describe an electric machine of any kind"; that was an assertion the project could not support and it is withdrawn. Subdivision (a) bridges its categories exactly once, deeming a prohibition on bicycles, motor-driven cycles, motorized scooters or electrically motorized boards to include motorized bicycles; nothing in it makes a prohibition on one of the four powered categories reach another of them. So the honest reading of this ramp is narrower than the one published before: the posted prohibition plainly reaches pedestrians, small-displacement motorcycles and mopeds; it plainly does not reach a bicycle or a motorized scooter, neither of which is a motorcycle under CVC 400(a); and whether it reaches a one-wheeled machine turns on a question about the word "displaces" that no court has answered.
That is a finding about one sign and it changes no verdict, which is worth saying twice because the temptation runs the other way. The device is closed out of Interstate 280 by CVC 4000(a)(1) on the motor-vehicle reading and by CVC 21294(a) on the board reading, and neither section mentions a sign or turns on one. What the finding is good for is narrower and is about how California writes rules rather than what they permit: the state posted, on a freeway approach, a prohibition naming a small gasoline motorcycle class, left bicycles off it deliberately, and named none of the three electric classes the Legislature itself wrote into the enabling section. PEVRA does not know whether that was a choice or an omission and does not guess. The evidence is tier C -- two captures by a commercial mapping service, four years apart, corroborating each other and identified by a steward who has ridden the ramp. A steward photograph taken on site and dated would sit at the same tier; the document that would replace both is the order, ordinance or resolution adopted under CVC 21960(a), which nobody has found yet. It is the OTHER two sections that close it, and neither of them mentions a sign. On the motor-vehicle reading CVC 4000(a)(1) bars an unregistered motor vehicle from any highway. On the board reading CVC 21294(a) confines a board to a highway designated at 35 miles per hour or less, or entirely within a Class II or Class IV bikeway, and I-280 is neither. Both bar the device on a bicycle-permitted shoulder exactly as firmly as on any other, so what the signs say at that on-ramp changes the answer for a bicycle and changes nothing for a wheel. And it does not establish why this rider and not another. The one rider stopped was the one whose machine the Vehicle Code actually defines -- CVC 407.5 names a motorized scooter, and no section of the code names a one-wheeled device -- but the rider's own explanation was position and not machine: he was last in line. PEVRA records both explanations and picks neither.
One thing the rider said belongs here because it is a measurement problem rather than a complaint. He was told the warning was verbal, and his identification had already been taken and run, so he does not know whether anything was written down. PEVRA cannot know either. A warning a rider cannot verify is not a countable outcome, which is why typical_outcome above stays unknown after this record instead of becoming warning.
Read the three dates in order and let them stay separate. This stop was 26 May 2026. The Highway Patrol's information bulletin and All-Agency Bulletin 285 went out on 27 May 2026. The commander's acknowledgement of the group ride was 28 May 2026. Three touchpoints in three days, and PEVRA claims no link between any two of them: nothing shows the stop reached anyone who wrote the bulletin, nothing shows the bulletin reached this officer, and the bulletins name neither this group nor this device. They are placed in order because a reader is entitled to see the order, not because the order explains anything.
PEVRA holds no record of an electric unicycle rider being stopped, cited, or having a wheel taken anywhere in California. That is an absence of records, not a count of zero. Riders describe many roadside conversations that ended without a ticket, and almost none of them were written down at the time. Closing that gap is what the rider report is for.
Read this beside the law, never instead of it. California's Vehicle Code has no class written for a one-wheeled device, so a rider who is stopped is likely to be written up under a section drafted for something else. Nothing here is a permission, and nothing here predicts what any officer will do.
The same ramp again, fifteen weeks later, and nothing happened. On the morning of 7 September 2026 a group of seven riders on electric unicycles took the identical route -- northbound Interstate 280 from the Millbrae on-ramp to the CA-35 exit -- entering the ramp at roughly 40 to 50 miles per hour. A Highway Patrol motorcycle officer was at the top of the ramp, dismounting to set up for speed enforcement. The group rode past him. About a quarter of a mile further, just beyond the CA-35 exit, a second Highway Patrol officer had a car pulled over at the roadside. The group rode past him too. Neither officer signalled, followed or made contact.
Read that for what it is, which is less than it feels like. It does not establish that either officer saw the group; the steward's own account puts "didn't see us" in quotation marks, meaning he believes they did and chose not to act, and PEVRA records only what is observable from the outside -- two officers present, seven riders past them, no contact initiated. Whether either officer registered the group, and what either concluded if so, is not knowable from a saddle. It is also not a case of an officer watching for this violation and waiving it: at 40 to 50 on a highway posted at 65 the group was not speeding, and the first officer had deployed for speed. If anything was overlooked it was presence, which is the violation neither reading of the Vehicle Code lets a wheel cure.
It is tier D. A steward's contemporaneous account with nothing yet attached; other riders on that ride carry cameras and PEVRA is asking for the footage, which would move it to tier C. Recovering it is worth doing quickly, because ride footage is overwritten.
Two observations at one on-ramp is not a posture and this record does not treat it as one. On 26 May 2026 an officer stationed just past that ramp stopped the one rider whose machine the Vehicle Code defines and let the wheels go by. On 7 September 2026 seven wheels passed two officers untouched. Both are recorded as observations at a single place, fifteen weeks apart, and neither is a rate, a trend or a permission. posture stays seizure_risk, which describes documented statutory exposure and asserts nothing about incidence; typical_outcome stays unknown; and the honest summary of this ramp is that PEVRA has watched it twice and seen a wheel stopped zero times, on a stretch where two sections of the Vehicle Code say a wheel may not be at all.
A third record, and a different kind. Steward jesse and other riders have ridden and camped in four units of the California state park system, all in the redwood corridor along US 101: Standish-Hickey State Recreation Area, camped at more than once and ridden in front of rangers, with legality never raised; MacKerricher State Park, the same but charging rather than camping; Richardson Grove State Park, ridden through from the ranger station, flagged in and welcomed to explore, and told paved roads only; and Benbow State Recreation Area, several nights' camping with riding inside the unit under rangers' approval and observation.
The Richardson Grove instruction is the one to read carefully, because it is not tolerance. "Paved roads only" is 14 CCR 4355 almost word for word: inside a state park unit a vehicle belongs on a road or a parking area and nowhere else. That ranger was applying the Department's own published condition correctly, which makes the encounter evidence that the permission in CVC 21113(a)(2) is live and in use rather than theoretical. It is the reason PEVRA went looking for the Department's written conditions at all, and found them in Title 14.
Weigh these four accounts honestly. No dates are recorded here yet, no receipt or photograph is on file, and the only documents likely to survive are card statements. They are tier D — a rider's account with nothing yet attached — and they are counted that way. They also do not show what a reader might assume: a camping receipt proves a rider was admitted and paid, not that the machine was permitted on a path, and a ranger who says nothing has not said yes. What they do show is four separate units where riders were seen on their machines by staff and nothing happened, and one where staff gave them the rule. Recovering the dates, photographs and video would move these to tier C, and PEVRA is asking riders for exactly that.