New York Following-Distance & Headlight Rules

New York teaches a two-second rule: pick a fixed object ahead (a sign, tree, or overpass) and count 'one thousand one, one thousand two' after the vehicle in front of you passes it. If you reach the same object before you finish counting, you're too close. In bad weather and when following large trucks, stretch the count to at least three or four seconds.

Source: New York State Driver's Manual (MV-21), Chapter 8, p. 47, 'Allow Yourself Space' · Verified Sep 2026

500

Source: New York State Driver's Manual (MV-21), Chapter 10, p. 63, 'Night Driving' · Verified Sep 2026

200

Source: New York State Driver's Manual (MV-21), Chapter 10, p. 63, 'Night Driving' · Verified Sep 2026

New York requires headlights from a half hour after sunset until a half hour before sunrise, whenever visibility falls below 1,000 feet, and any time the windshield wipers are in use to clear rain, snow, or sleet. Daytime running lights do not satisfy the requirement. Turn headlights on at dawn, dusk, and in fog as well; even when they don't help you see, they help other drivers and pedestrians see you. If an oncoming driver flashes their headlights during low visibility, treat it as a signal that your vehicle was hard to see, and switch your headlights on.

Source: New York State Driver's Manual (MV-21), Chapter 10, pp. 62–63, 'Night Driving' and 'Driving in Rain, Fog or Snow' · Verified Sep 2026

Stay at least 200 feet back from an emergency fire vehicle that is running with its lights on, whether you are in the same lane or the one beside it. The rule is specific to fire vehicles, and it applies unless you are on official business yourself. There is a second half most drivers never hear about. Where a fire vehicle has stopped in answer to an alarm, you may not drive into or park within that block, or within 1,000 feet of it on a road with no blocks. Pulling up close to watch is the violation. For emergency vehicles generally, rather than fire vehicles specifically, New York sets no distance in feet. What it sets is the Move Over Law: slow down everywhere, and on a parkway, interstate or other controlled-access road with more than one lane your way, also leave an empty lane beside anything stopped with flashing lights. The lane-change half of the duty is scoped to those roads; the duty to reduce speed is not.

Source: NY VTL § 1217, "Following emergency fire vehicles prohibited": a driver not on official business may not follow an authorized emergency fire vehicle in the same or an adjacent lane closer than 200 feet while it displays one or more red or combination red-and-white lights, or one white revolving, rotating, flashing, oscillating or constantly moving light; the same section prohibits driving into or parking within the block, or within 1,000 feet where there is no block, where a fire vehicle has stopped in answer to a fire alarm. The general move-over duty is NY VTL § 1144-a. The MV-21 manual carries the Move Over Law but not the 200-foot figure. Corrected 2026-09-07: an earlier version of this fact recorded "no minimum distance is set", concluding an absence after § 1213 and § 1129 turned out not to carry it; § 1217 does. Scope corrected 2026-09-08: VTL § 1144-a's move-to-another-lane language applies on parkways and controlled-access highways, not on every road with more than one lane in the driver's direction. The earlier wording generalized it and contradicted the `move_over_law` fact, which had the scope right. · Verified Sep 2026

The manual does not set a numeric following distance for motorcycles. It warns drivers not to tailgate a motorcycle because motorcycles can stop in a shorter distance than cars under the right conditions, and their brake lights are easy to miss: a motorcycle tail light is smaller than a car's and is on continuously, so the brake light has to stand out against a lamp that is already lit. There is no center high-mounted stop light either; most motorcycle brake lights sit below eye level. In rain or after dark, give a motorcycle even more space than you would another vehicle.

Source: New York State Driver's Manual (MV-21), Chapter 11, pp. 70–73, 'Motorcyclists' Lighting corrected 2026-09-12: MV-21 says "Tail lights on a motorcycle are generally smaller in size than those on other vehicles, and because motorcycle tail lights are always on, the brake lights don't always stand out", and separately that motorcycles lack the Center High Mount Stop Light that puts a car's brake light near eye level. The earlier wording said the brake lights themselves are always on, which inverts the reason the manual gives for watching them. · Verified Sep 2026

When overtaking a bicyclist from behind, the law requires you to pass on the left at a safe distance until the bicycle has been cleared. The manual does not fix a numeric buffer; it stresses reducing speed as you pass, because air pressure from a vehicle passing quickly can knock a cyclist off balance. Check for cyclists in blind spots before turning, opening a door, or leaving a curb.

Source: New York State Driver's Manual (MV-21), Chapter 6, p. 39, 'How to Pass'; Chapter 11, pp. 68–70, 'Bicyclists' Corrected 2026-09-08: the passing duty is NY VTL § 1122-a ("The operator of a vehicle overtaking, from behind, a bicycle proceeding on the same side of a roadway shall pass to the left of such bicycle at a safe distance until safely clear thereof") with no numeric buffer. An earlier version added a full-lane, never-share-the-lane duty that belongs to motorcycles, not bicycles, and misstated even that: MV-21 says "Motorcycles may not take up the entire lane because they are not as wide as other vehicles" and that a motorcyclist "cannot pass or share a lane with another motor vehicle that is not a motorcycle." · Verified Sep 2026

Slow down for any emergency or hazard vehicle stopped with its emergency, amber, blue or green lights showing, on the shoulder or anywhere else on the road. A vehicle halted in a travel lane is covered exactly as one on the shoulder is. On a parkway, interstate or other controlled-access road with more than one lane in your direction, also move out of the lane next to it, unless traffic or hazards make that lane change unsafe. The lights that trigger the duty cover more than police cars and fire trucks. Authorized emergency vehicles show red, red-and-white, or blue combinations. Hazard vehicles show amber. Tow and pushing vehicles show amber or blue with amber. Ice and snow removal vehicles run by the state or a municipality show amber, or green with amber. Blue on a private car means a volunteer firefighter and green means a volunteer ambulance or rescue squad member, and both are covered. On a parkway or controlled-access highway the duty reaches further than most drivers expect: it applies to any vehicle stopped on the shoulder or any other part of that road, not only an official one, and again only where you have more than one lane in your direction. A stranger with a flat tire gets the same lane as an ambulance. New York prescribes no particular speed reduction. There is no "twenty below the limit" figure to remember; the duty is to reduce speed and, where a lane is available and the change is lawful and safe, to move over. A violation is a moving violation.

Source: NY VTL § 1144-a(a) (authorized emergency vehicles parked, stopped or standing on the shoulder or any portion of the highway displaying red, red-and-white, blue, blue-and-red or blue-red-and-white lights) and § 1144-a(b) (hazard vehicles displaying amber; tow and pushing vehicles displaying amber or blue-and-amber; state or municipal ice and snow removal vehicles displaying amber or green-and-amber). The duty in both is stated as due care, which on parkways and controlled-access highways "shall include, but not be limited to, moving from a lane which contains or is immediately adjacent to the shoulder where such ... vehicle ... is parked, stopped or standing to another lane", provided the lane change is itself lawful and safe (NY VTL § 1128, driving within a lane and safe lane changes). Amendments extended the section to vehicles displaying blue or green lights (volunteer firefighters and volunteer ambulance or rescue squad members in their personal vehicles) and to certain other motor vehicles. New York State Driver's Manual (MV-21), revised April 2026, "Move Over Law": "Drivers are also required to move over for motor vehicles which are parked, stopped or standing on the shoulder or any portion of a parkway or controlled-access highway." Prose restructured 2026-09-07 after a review pass flagged editor-to-reader commentary and statute-brief apparatus in the reader-facing value; the substance is unchanged from the version verified 2026-08-22, except that VTL § 1110 (obedience to traffic-control devices) was dropped as not being the lane-change proviso the manual invokes. Scope corrected 2026-09-12: NY VTL § 1144-a applies to a vehicle "parked, stopped or standing on the shoulder or any portion of the highway", and § 1144-a(d) uses the same "shoulder or any portion" wording for parkways and controlled-access highways. Earlier wording narrowed both to the shoulder, which left out a vehicle stopped in a travel lane. · Verified Aug 2026

New York teaches defensive driving as a set of habits rather than an acronym. Chapter 8 of the manual gives a principle list (be prepared and look ahead, hold the correct speed, signal your intentions, allow space around the vehicle, wear your seat belt, do not drive impaired, keep the vehicle in good condition, and stay off hand-held devices) and no mnemonic on top of it. So there is nothing to memorize here and no acronym the test can ask you to expand. Questions in this area test the habits themselves.

Source: MV-21, Chapter 8, 'Defensive Driving': a narrative principle list with no mnemonic. New York does not use SIPDE, IPDE or the Smith System in its driver's manual. Recorded as an explicit absence so the key does not read as missing. · Verified Sep 2026