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Like astir things successful life, nan logic immoderate states nary longer require beforehand licence plates starts with money: It's little costly for states — and drivers — to woody pinch a azygous sheet alternatively of two. Of course, location are immoderate exceptions to this motivation. Pennsylvania, for one, temporarily required conscionable 1 sheet successful 1944 to prevention metallic during World War II, and it went backmost to nan single-plate strategy successful 1952 for nan aforesaid intent during nan Korean War. And nan Keystone State has kept things that measurement ever since, though State Sen. Katie Muth was moving to alteration that arsenic of mid-2025.
Beyond financial considerations, there's nan matter of maintaining a vehicle's creation integrity. The short communicative is that a batch of group conscionable don't for illustration nan measurement cars look pinch metallic licence plates sticking retired for illustration a sore thumb connected their stylish beforehand bumpers. It's further worthy noting that manufacturing doubly nan number of plates has a non-trivial antagonistic effect connected nan environment.
Safety can be a interest arsenic well, particularly owed to nan accrued readiness of precocious driver assistance systems. Features for illustration guardant collision warning, adaptive cruise control, automatic emergency braking, and much require front-facing sensors that request to beryllium unobscured by licence plates to activity properly. That tech tin beryllium difficult and costly to repair, too.
Front licence plates thief pinch rule enforcement and plate-reading

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Front licence plates tin play an important domiciled successful rule enforcement, and that's 1 of nan apical reasons that galore states proceed to require them connected some nan beforehand and backmost of vehicles. The evident use is that nan beforehand sheet gives officers different opportunity to get nan nonstop number and twelvemonth right. It useful nan aforesaid measurement for witnesses and victims — they whitethorn get only 1 position of a conveyance progressive successful criminal activity. And if they only spot nan beforehand erstwhile a licence sheet is only connected nan rear, they whitethorn not beryllium capable to publication and place it.
You cognize who other likes to get 2 chances to look astatine your licence plate? Plate-reading companies that usage nan images for things for illustration tolls, camera-based velocity traps, and seeking partnerships pinch dashcam companies. So if a conveyance only has a rear sheet and that gets missed by a camera, nan authorities could beryllium missing retired connected immoderate important gross sources.
It's besides worthy rubbing connected nan caller activity of integer licence plates, which are now ineligible successful states for illustration Arizona, California, Michigan, and Texas. Currently, they're only allowed connected rear bumpers for reasons having to do pinch nan technology. So if you're successful a authorities that requires 2 plates and allows integer ones, specified arsenic California aliases Texas, you'll beryllium riding pinch a metallic (or sticker-style) beforehand sheet and a integer 1 successful nan back.
Exactly which states require beforehand licence plates

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We'll yet get down to brass tacks present and study connected which states require which plates. Please remember, though, that authorities requirements tin ever alteration — and successful some directions. While 1 Pennsylvania lawmaker wants to bring backmost beforehand plates, folks successful Virginia are trying to get free of them (and trying to force reckless drivers to instal velocity limiters). With that said, Washington, D.C., on pinch 29 states, require cars to show licence plates mounted astatine some nan beforehand and rear:
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California
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Colorado
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Hawaii
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Idaho
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Illinois
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Iowa
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Maine
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Maryland
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Massachusetts
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Minnesota
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Missouri
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Montana
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Nebraska
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Nevada
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New Hampshire
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New Jersey
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New York
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North Dakota
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Oregon
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Rhode Island
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South Dakota
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Texas
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Utah
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Vermont
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Virginia
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Washington
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Wisconsin
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Wyoming
That, successful turn, leaves 21 states that presently only require rear licence plates:
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Alabama
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Arizona
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Alaska
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Arkansas
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Delaware
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Florida
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Georgia
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Indiana
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Kansas
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Kentucky
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Louisiana
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Michigan
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Mississippi
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New Mexico
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North Carolina
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Ohio
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Oklahoma
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Pennsylvania
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South Carolina
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Tennessee
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West Virginia