Union Township DWI Lawyer

Reviewed by William A. Proetta, Esq. · Updated

Union Township Municipal Court handled more DWI filings than any other court in Union County from July 2025 through June 2026: 274, up from 222 a year earlier, which also gave the township the county’s highest DWI rate per resident. Those cases are heard at 981 Caldwell Avenue in Union, a court that sits on weekday mornings and on three evenings a week. Our Union Township Municipal Court guide has the courthouse contacts and calendar, and our Union County DWI lawyer page explains how the county’s courts handle DWI cases.

William Proetta Criminal Law defends Union Township DWI charges, from Parkway arrests by State Police to local stops on Morris Avenue. For a no-cost case evaluation, dial (908) 838-0150; someone answers at every hour, and se habla español for Spanish-speaking families.

Union Township DWI: Key Facts

  • Courthouse: Union Township Municipal Court, 981 Caldwell Avenue, Union (court code 2019). Sessions run Monday through Thursday at 9:00 a.m., with 6:00 p.m. sessions on Monday, Tuesday and Thursday.
  • Typical complaints: DWI (N.J.S.A. 39:4-50) and, when breath samples weren’t provided, refusal (N.J.S.A. 39:4-50.4a).
  • Growth: DWI filings went from 222 to 274, an increase of 52 (about 23%), while the court’s overall non-parking filings rose only about 5%.
  • County leader on both measures: first of Union County’s 21 municipal courts by DWI count and by rate, at about 45.9 filings per 10,000 residents.
  • First DWI with a BAC from .08% up to .10%: $250 to $400 in fines, up to 30 days of jail exposure, 3 months of ignition interlock.
  • Plea agreements: permitted under 2024 changes but uncommon for DWI charges.

Your Union Township DWI Lawyer

The firm’s founder, William A. Proetta, holds a Draeger-issued certification on the Alcotest 9510, and NHTSA-based standards recognize him as an SFST instructor for the standardized roadside tests. In Union Township, that training gets applied to very different stops: a trooper’s arrest after a Parkway exit ramp, a township officer’s stop in the Route 22 median lanes, or a late-night encounter near Union Center. Each officer was taught the same protocol, and Mr. Proetta reviews whether they followed it. When you call, you get a lawyer on the line, not a message service.

Where Your DWI Case Will Be Heard

Union Township Municipal Court

📍 981 Caldwell Avenue, Union, NJ 07083

☎ 908-851-5400

DWI charges arising in Union Township are generally heard in Union Township Municipal Court. Your summons or court notice controls your appearance date, time, location and whether you appear in person or virtually.

Court Sessions, Contacts & What to Expect →

Union Township’s court keeps a heavier schedule than most in the county, with morning sessions four days a week and evening sessions on Mondays, Tuesdays and Thursdays. That makes it easier to schedule around work, but it also means your DWI could be listed at either time, so read your notice for both the day and the hour. The court lists four judges and several municipal prosecutors, so the people handling your case may change between listings. One more caution: New Jersey has more than one “Union” court. Union Township in Hunterdon County runs a separate court with a different court code, and a summons from that court has nothing to do with 981 Caldwell Avenue. Check that your paperwork says Union Township, Union County.

Official New Jersey Judiciary statistics

DWI Case Filings in Union Township

274Cases filed · July 2025–June 2026
222Cases filed · July 2024–June 2025

Year-over-year change: +52 (+23%).

These figures are DWI case filings reported for Union Township Municipal Court. They are not a count of police arrests, convictions or stops on any particular road.

Source: New Jersey Judiciary, Municipal Court Statistics, July 2025–June 2026, PDF page 540.

What Union Township’s DWI Filings Show

DWI filings in Union Township reached 274 for the court year ending June 2026, 52 more than the 222 filed the year before, or about a 23% increase. Everything else on the docket, meaning criminal and traffic filings other than parking, went from 29,264 to 30,843, only about 5%, so DWI rose more than four times as fast as the docket as a whole. Union Township filed nearly one of every six DWI complaints in the county’s 21 courts.

Union also tops the county per capita. With 59,728 residents in 2020, its 274 filings equal about 45.9 per 10,000, just ahead of Rahway (44.3) and well above the county-wide figure of about 30. The township’s road network helps explain how a residential community generates that many cases: the Garden State Parkway has several interchanges within the township (exits 139A through 141), I-78 crosses it, and U.S. 22 and Route 82 carry heavy commercial traffic. A large share of the drivers charged in Union are passing through.

Those totals have limits. A filing is an accusation; the data doesn’t say how many ended in conviction, how many came from State Police rather than township officers, or which roads produced them. A bigger docket also doesn’t make any individual arrest stronger. Your case rises or falls on its own evidence.

Local DWI Case Statistics

Union Township by the Numbers

Population, police staffing and municipal court DWI filings in context.

59,728
Residents
2020 U.S. Census
138
Full-Time Sworn Officers
Police agency's 2025 FBI annual return
9.05
Square Miles
2020 Census land area; excludes water
Sources: U.S. Census Bureau, 2020 Census (QuickFacts); 2025 FBI police workforce returns via PoliceCensus; New Jersey Judiciary, Municipal Court Statistics (July 2025–June 2026). Court filings are not necessarily arrests made by local police or charges against town residents. Differences in court jurisdiction and reporting periods affect comparisons.

Population and land area are 2020 Census numbers; the 138 sworn officers are FBI data for 2025, as published by PoliceCensus. A department that size can bring several officers to a single arrest, and those officers may in turn depend on records kept by another agency, such as the State Police on the Parkway or Kean University’s own police force on campus. Each agency keeps its own video and reports. The per-10,000 rate compares filings to population; it isn’t a head count of charged residents, because so many defendants live elsewhere.

DWI Stops on Union Township's Major Roads

Where a DWI stop happens matters. The road determines which police agency made the stop, which court hears the case, what video and records exist, and whether the conditions were fair for field sobriety tests.

Major routes where DWI investigations can begin in Union Township. This is not a list of arrest hotspots or checkpoint locations.

DWI Stops on Garden State Parkway

The Parkway crosses Union Township from Kenilworth toward Hillside, with interchanges at 139A, 139B, 140, 140A and 141, and the I-78 interchange on the Union–Hillside line. New Jersey State Police Troop D patrols it, and a trooper's DWI arrest inside the township can still be filed in Union Township Municipal Court. Ramp and shoulder stops raise questions about where roadside tests were given and what the trooper's camera recorded.

DWI Stops on U.S. Route 22

Route 22 enters Union from Springfield as a wide-median commercial highway and splits into separate carriageways at the Parkway and Route 82 interchange near the Union Watersphere before continuing into Hillside. Township police patrol it, and troopers can stop drivers too. Median U-turns, lane changes and retail driveways frequently supply the reason for a stop, so the patrol-car video showing the driving beforehand is essential evidence.

DWI Stops on Route 82 (Morris Avenue)

Morris Avenue carries Route 82 from Springfield through Union Center, past Stuyvesant Avenue, under the Parkway and Route 22, and near Kean University toward the Elizabeth line. Union Township police patrol it and ran an overnight Drive Sober checkpoint on westbound Route 82 near Route 22 in June 2015. Checkpoint cases turn on whether the operation followed its plan; ordinary stops turn on the officer's observed driving.

Who made the stop matters in Union. The Parkway is patrolled by the New Jersey State Police, whose Troop D covers the toll roads, and a trooper’s DWI arrest inside township limits can still end up on the Union Township Municipal Court docket. U.S. 22 is patrolled by township officers, although troopers can stop drivers there as well. Route 82 and the local streets belong to the Union Township Police Department. Union police have also run enforcement under New Jersey’s “Drive Sober or Get Pulled Over” campaign, including an overnight checkpoint on Route 82 westbound near Route 22 in June 2015 and a state grant for the 2023 Labor Day crackdown. Because the Parkway’s I-78 interchange sits on the Union–Hillside line, the exact stop location can also decide which town’s court gets the complaint. We identify the agency, the location and every responding unit, then request each one’s files.

Reviewing the Evidence in a Union Township DWI Case

Whatever road it started on, a Union Township DWI involves three legal checkpoints: a lawful basis to stop the car, specific observations that justified a DWI investigation, and probable cause to arrest. We test each against the dash-cam and body-cam footage, the CAD and dispatch timeline, and the officer’s narrative.

Field sobriety tests after a highway or median stop

A Parkway stop may put a driver on a narrow shoulder or ramp; a Route 22 stop may happen beside the median businesses or in a parking lot. Neither is ideal for horizontal gaze nystagmus, walk-and-turn or one-leg stand, which depend on a level surface, adequate light without flashing distractions, and an officer who gives the instructions and scores the clues exactly as NHTSA trains. Footwear, age, weight, injuries and nerves add more variables. Mr. Proetta reviews the recording clue by clue. Our field sobriety test page has more.

Probable cause is judged on everything the officer knew. A refusal to perform roadside tests doesn’t automatically supply it, though an arrest can still be lawful if the other evidence is strong enough.

Breath results, Chun and the timeline

Since State v. Chun (2008), Alcotest results are admissible in New Jersey only if the procedures the Supreme Court required were followed. The most central is a 20-minute observation period ahead of testing, which guards against residual mouth alcohol. A Union case can involve more than one agency, so the agency that arrested you may not be the one that operated the Alcotest; the records, not assumptions, tell us where the test was given and by whom. We review the operator’s certification, calibration and inspection records, the control and solution data, and whether the alcohol influence report’s time stamps match the video. See our Alcotest page for more.

Refusal accusations in Union

A refusal charge, brought under section 39:4-50.4a, must be proven separately from the DWI. That means probable cause for the arrest, a correctly read standard statement, and a genuine refusal, which may be disputed if a driver tried and the machine recorded insufficient samples. Language barriers are also reviewed, because the statement has to be understood. First-time refusal penalties are a $300–$500 fine, no driving until an ignition interlock is in place, and then nine to fifteen months on it, regardless of what happens to the DWI count.

New Jersey DWI Penalties

Offense Fine Jail License / Ignition Interlock
1st – BAC 0.08% to under 0.10% $250–$400 Up to 30 days Interlock for 3 months
1st – BAC 0.10% to under 0.15% $300–$500 Up to 30 days Interlock for 7 months to 1 year
1st – BAC 0.15% or higher $300–$500 Up to 30 days 3-month suspension after interlock is installed, then interlock for 12–15 months
1st – Drug DWI $300–$500 Up to 30 days 7 month to 1 year suspension
2nd offense $500–$1,000 48 hours to 90 days 1–2 year suspension, then interlock for 2–4 years; 30 days community service
3rd offense $1,000 180 days 8 year suspension, then interlock for 2–4 years; 30 days community service

Beyond the court’s sentence, a conviction means a mandatory IDRC program and MVC surcharges billed annually for three years ($1,000 a year after a first or second conviction; a third raises it to $1,500). Under 2025 legislation (P.L.2025, c.41), someone facing suspension may install an interlock and keep driving, with every two interlock days erasing one day of the suspension. Drug-impaired cases and crashes causing serious injury are carved out of this option.

Compare every penalty level in one place on our NJ DWI penalties chart, which also explains the 2-for-1 interlock credit.

Learn more about the ignition interlock device, second-offense DWI, third-offense DWI, and drug DWI.

Source: New Jersey Division of Highway Traffic Safety, DWI and refusal penalties; N.J.S.A. 39:4-50.

Can a Union Township DWI Case Be Resolved Through a Plea Agreement?

Since February 2024, yes, at least on paper. Lawmakers gave DWI plea agreements statutory approval, after which the state’s Supreme Court withdrew Guideline 4, which had barred them. Actual DWI plea offers remain the exception, and a court with Union’s caseload is no more likely to make them routine.

A judge still has to accept any agreement, and a factual basis has to be placed on the record. We begin with the proof, not the hope of a deal. A stop that lacked reasonable suspicion, SFSTs that strayed from protocol, or an Alcotest reading without proper foundation can knock out evidence or end the prosecution, and the same weaknesses are what bring a prosecutor to the table, when one is willing to negotiate at all.

Preparing for Your Union Township Court Appearance

  • Read the county on your summons. Union Township Municipal Court is at 981 Caldwell Avenue in Union County, not the Union Township court in Hunterdon County.
  • Note morning or evening. Your DWI may be on a 9:00 a.m. or a 6:00 p.m. calendar; confirm which one before the date.
  • Identify the arresting agency from your paperwork, whether township police, State Police or Kean University police, and share it with your lawyer.
  • Record the details while you remember them: the Parkway exit or street, how long the stop lasted, and what tests you were asked to do.
  • Gather medical documentation for reflux, diabetes, dental work, or injuries that could affect a breath test or balance.
  • Arrange an interpreter early if you need one by telling the court before your date.

Union Township DWI FAQs

Which Union County town has the most DWI cases?

Union Township. Its municipal court logged 274 DWI filings between July 1, 2025 and June 30, 2026, the most of any of Union County’s 21 municipal courts and more than Elizabeth’s 250. At about 45.9 filings per 10,000 residents, Union Township also had the highest rate in the county.

I was arrested by State Police on the Parkway in Union. Where is my court date?

The location of the offense, rather than the arresting agency, normally determines the court in New Jersey. That means a trooper’s Garden State Parkway DWI arrest within Union Township can be docketed at Union Township Municipal Court, 981 Caldwell Avenue. Your summons names the court, so check it first.

Does Union Township Municipal Court hold evening sessions?

Yes. Union Township Municipal Court holds 9:00 a.m. sessions Monday through Thursday and 6:00 p.m. sessions on Monday, Tuesday and Thursday. Your DWI notice states which session you are on; contact the court if anything is unclear.

Does a first Union Township DWI mean a suspension?

Not usually when the BAC is below 0.15%. A first-time Union Township conviction in that range is handled with an interlock: three months at .08%–.10%, and seven months to a year at .10%–.15%. A reading of .15% or more triggers a three-month suspension, counted from interlock installation, and 12–15 months on the device afterward. A first drug DWI is different, with a license suspension of seven months to one year.

Are DWI plea deals available in Union Township?

Since 2024, a Union Township DWI can legally be resolved by plea agreement, but offers from municipal prosecutors remain rare here as almost everywhere, and the judge has to sign off on any deal. Attacking weak points in the stop, the roadside tests and the breath testing usually accomplishes more than waiting for an offer.

Is a DWI in Union Township a crime?

No. Under New Jersey law, a Union Township DWI counts as a motor vehicle violation heard by a municipal judge without a jury, not a criminal offense. That doesn’t make it minor: jail, an interlock and thousands in surcharges are all possible, and expungement isn’t available. A separate fourth-degree criminal charge awaits anyone who drives while suspended for a second or later DWI or refusal, so those suspensions must be taken seriously.

Discuss Your Union Township DWI Charge

Have the summonses and your court notice in front of you when you call, including whether you’re listed for a morning or evening session. That lets us start the records requests with the right agency, whether township police or State Police, and plan for the first listing. Our line, (908) 838-0150, rings through to us around the clock for a confidential review that costs nothing, and se habla español. Beyond DWI, we take other Union Township criminal and municipal court cases, plus DWI charges in neighboring Springfield and Hillside.