California Vehicle Code 21703 is the state’s following-too-closely law. It prohibits any driver from trailing another vehicle more closely than is reasonable given the speed, the traffic around you, and the condition of the road.1California Legislative Information. California Code Vehicle Code 21703 A standard citation carries a total fine of $234 and adds one point to your DMV record.
What the Statute Prohibits
The law does not set a minimum distance in feet or seconds. Instead, it ties the standard to three variables: your speed, the volume of surrounding traffic, and the condition of the roadway.1California Legislative Information. California Code Vehicle Code 21703 The same gap that is perfectly legal at 25 mph on dry pavement can get you cited at freeway speed in the rain.
The flexibility is deliberate. A fixed number of feet would be dangerously tight at 70 mph and absurdly generous in a parking lot, so the law covers every scenario by asking what a careful driver would have done in the same circumstances.
How Officers and Courts Judge Your Gap
When an officer writes the ticket, or when a judge later reviews it, a handful of factors do most of the work.
- Speed. The faster you travel, the more road you cover before you can even begin braking.
- Road surface and weather. Wet pavement, loose gravel, or oil cut your tires’ grip and stretch your stopping distance.
- Traffic density. A tight gap at 15 mph in bumper-to-bumper traffic reads very differently from the same gap at 55 mph.
- Vehicle type and load. A pickup towing a trailer needs far more room to stop than an empty sedan, and courts weigh what you were driving.
The Three-Second Rule
Because the statute gives you no number, the three-second rule is the standard practical gauge. Pick a fixed object ahead, like a sign or an overpass. When the vehicle in front passes it, count “one-one-thousand, two-one-thousand, three-one-thousand.” If you reach the object before you finish, you are too close. Stretch the count to four seconds or more in rain or poor visibility, and to about six seconds if you are driving a larger vehicle or towing anything.
The Fine Is $234, and Higher in Some Zones
CVC 21703 is an infraction. Under the Judicial Council’s Uniform Bail and Penalty Schedule, the total you actually pay for a standard violation is $234, with the state’s penalty assessments and surcharges already baked in.2California Courts. Uniform Bail and Penalty Schedules
Location can push the number up. A citation in a highway construction or maintenance zone totals $363. In a designated safety-enhancement double-fine zone, it is $276.2California Courts. Uniform Bail and Penalty Schedules
One Point on Your DMV Record
A conviction also adds one negligent-operator point to your driving record. Under Vehicle Code 12810, any safe-operation conviction that is not specifically listed as a two-point offense counts as one point.3California Legislative Information. California Code Vehicle Code 12810 Two-point violations are reserved for things like DUI, hit-and-run, and reckless driving.
One point sounds minor, but it feeds the DMV’s Negligent Operator Treatment System. The DMV can suspend your license and place you on probation if your point total hits any of these thresholds:4California DMV. Negligent Operator Actions
- 4 points in 12 months
- 6 points in 24 months
- 8 points in 36 months
A single following-too-closely ticket will not trigger a suspension on its own. But if you already have points from earlier violations or at-fault crashes, this one can push you over the line. The point also appears when insurers pull your record, which typically means a premium increase lasting three to five years.
Traffic School Keeps the Point Off Your Public Record
If you complete a court-approved traffic violator school, the point from a CVC 21703 conviction will not appear on your public DMV record, meaning insurers cannot see it or price around it.5California Courts. Traffic School You are generally eligible if all three of these are true:
- You hold a valid California driver’s license.
- The ticket was issued while you were driving a noncommercial vehicle.
- You have not attended traffic school for another violation within the past 18 months.6California Courts. Rule 4.104 – Procedures and Eligibility Criteria for Attending Traffic Violator School
Traffic school does not erase the fine. You still pay the full $234, plus a court administrative fee that varies by county (typically $64 to $88) and the course itself (roughly $20 to $100 depending on the provider). Even with those extra costs, the math favors traffic school once you factor in several years of higher insurance premiums tied to a visible point.
Commercial driver’s license holders should check with the court before signing up. Even when the ticket was issued in a personal vehicle, traffic school may not mask the violation for commercial licensing purposes.5California Courts. Traffic School
If the Citation Followed a Rear-End Crash
The real financial exposure from CVC 21703 is not the $234 ticket. It is what happens when following too closely leads to a collision. In California, the driver in the rear vehicle is presumed at fault in a rear-end crash. The reasoning is simple: if you had been following at a safe distance and paying attention, you would have had room to stop.
That presumption can be rebutted. You can point to the lead driver reversing suddenly, cutting in and immediately braking, or driving without working brake lights. But the burden is on you. If you rear-end someone and cannot identify a clear cause outside your control, a CVC 21703 violation becomes strong evidence of negligence in the injury or property-damage claim that follows.
Related Fixed-Distance Rules
CVC 21703 is the general rule. California has separate statutes that set hard minimum distances in specific situations, and they are easy to confuse with the general law.
Vehicle Code 21704 applies to vehicles subject to the 55-mph speed restriction under CVC 22406, chiefly large trucks and vehicles towing trailers. Outside business or residential areas, these vehicles must stay at least 300 feet behind another vehicle subject to the same restriction, except when passing or when driving on a highway with two or more lanes in the same direction.7California Legislative Information. California Code Vehicle Code 21704
Vehicle Code 21706 prohibits any driver from following within 300 feet of an authorized emergency vehicle responding to a call with lights and siren on, with a narrow exception for police escort.8California Legislative Information. California Code Vehicle Code 21706 Vehicle Code 21705 requires at least 100 feet between vehicles traveling in a caravan or motorcade outside business or residential areas, so other drivers can safely pass.9California Legislative Information. California Code Vehicle Code 21705