How to Fight a Speed Camera Ticket in Cedar Rapids, IA (2026)
Cedar Rapids is Iowa's most historically litigated and most-watched automated speed enforcement city. It has operated cameras longer and at more locations than any Iowa city except Des Moines. Iowa Code Chapter 321P — enacted by HF 2681 (2024) — does not authorize red-light cameras and applies only to devices used in conjunction with a speed measuring device; the Iowa DOT states explicitly: 'There are no laws in Iowa relating specifically to red-light-running cameras.' Cedar Rapids submitted 15 camera locations to the Iowa DOT for permit consideration under HF 2681. On September 30, 2024 (effective October 1, 2024), the DOT approved 8 and denied 7. Approved: 4 fixed cameras on the I-380 S-curve corridor (Diagonal Drive NB; J Avenue NB and SB; 1st Avenue SB), 2 fixed cameras on Williams Boulevard at 16th Avenue SW (NB and SB), and 2 mobile camera positions at the 300 Block 29th Street Drive SE. Denied on 'not least restrictive means' grounds: 1st Avenue at 10th Street E (EB/WB), 1st Avenue at L Street SW (EB/WB), and Edgewood Road at 42nd Street NE (NB/SB). Any Cedar Rapids citation issued at a denied location on or after October 1, 2024 is void under Iowa Code §321P.6(3). The I-380 S-curve program — source of the 2019 Iowa Supreme Court case Behm v. City of Cedar Rapids, 922 N.W.2d 524 — remains the most nationally recognized automated enforcement installation in Iowa.
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Cedar Rapids Speed Camera Fines
| Violation | Fine |
|---|---|
| Speed — 11–20 mph over the posted limitIowa Code §321P.6(2)(a)(1) sets the statutory cap. Cedar Rapids's actual ordinance fine may be at or below this cap — use the amount on your specific citation. | Up to $75 |
| Speed — 21–25 mph overIowa Code §321P.6(2)(a)(2) cap. Confirm actual Cedar Rapids fine from your citation. | Up to $100 |
| Speed — 26–30 mph overIowa Code §321P.6(2)(a)(3) cap. | Up to $250 |
| Speed — 31+ mph overIowa Code §321P.6(2)(a)(4) cap. Work zone violations carry double these caps under §321P.6(2)(b). | Up to $500 |
How to Contest a Cedar Rapids Speed Camera Ticket
Where: Cedar Rapids administrative hearing or Linn County District Court (confirm with your citation)
How / where to file: Use the filing address printed on your specific citation. Cedar Rapids historically processed speed camera contests through a city administrative hearing process under Iowa Code §364.22; under the current Chapter 321P civil infraction classification, the forum may be Linn County District Court or an adapted city process. The citation instructions are the authoritative source for filing address and method.
Cedar Rapids Deadline
Use the deadline printed on your specific citation — Cedar Rapids historically used 30 days from the notice date, but this is set by ordinance and must be confirmed from your actual notice. Iowa Code Chapter 321P does not set a uniform statewide deadline.
Cedar Rapids ATE citations are civil infractions under Iowa Code §321P.6(4). Step 1: Review the enforcement photograph on the citation or the portal it directs you to. Iowa Code §321P.9(2) requires the photograph to show only the rear of the vehicle and the rear license plate — if it shows the front or any person's face, the citation is void by statute. Step 2: Iowa Code §321P.7(2)(a) guarantees the right to submit evidence that you were not the driver at the time of the violation. Step 3: Iowa state defenses under Chapter 321P apply — including the calibration defense (§321P.9(3): cameras must self-verify daily and undergo monthly calibration by a trained person; calibration logs are public records; a citation from a non-compliant camera is void under §321P.6(3)), the denied-location defense (any citation from the 1st Avenue or Edgewood Road locations after October 1, 2024 is void under §321P.2(1) and §321P.6(3)), and the signage defense (§321P.5(1)). Cameras on I-380 trigger only when a vehicle exceeds the posted speed limit by more than 10 mph (§321P.3(1)); the posted limit through the S-curve is approximately 55 mph, making the minimum citable speed approximately 66 mph.
Notable Speed Camera Locations in Cedar Rapids
- I-380 at Diagonal Drive (NB) — DOT-approved; S-curve approach; historically highest-citation location on the corridor
- I-380 at J Avenue (NB and SB) — DOT-approved; two cameras on the S-curve near the Quaker Oats facility; focal point of the 2019 Iowa Supreme Court case Behm v. City of Cedar Rapids
- I-380 at 1st Avenue (SB) — DOT-approved; southern end of the S-curve enforcement zone
- Williams Boulevard at 16th Avenue SW (NB and SB) — DOT-approved; major arterial in southwest Cedar Rapids
- 300 Block 29th Street Drive SE (EB and WB) — DOT-approved mobile camera positions
- DENIED locations (cameras must be off since October 1, 2024): 1st Avenue at 10th Street E, 1st Avenue at L Street SW, Edgewood Road at 42nd Street NE, Center Point Road at Collins Road NE ramp — any citation from these locations after October 1, 2024 is void under §321P.6(3)
Cedar Rapids Speed Camera — By the Numbers
Cedar Rapids is the only Iowa city to have its automated traffic enforcement program reviewed by the Iowa Supreme Court — in Behm v. City of Cedar Rapids, 922 N.W.2d 524 (Iowa 2019), the court upheld the city's ATE ordinance against due process, preemption, and municipal authority challenges.
As of October 1, 2024, Cedar Rapids holds valid Iowa DOT permits for 8 speed camera locations — 6 fixed cameras (4 on I-380, 2 on Williams Boulevard at 16th Avenue SW) and 2 mobile positions on 29th Street Drive SE (Iowa DOT, Automated Traffic Enforcement permit list).
The Iowa DOT denied 7 Cedar Rapids speed camera locations as of October 1, 2024, on grounds of 'not least restrictive means' (six locations) or 'not necessary' (one location); citations issued at denied locations after that date are void under Iowa Code §321P.6(3).
Of 348 total camera location applications submitted to the Iowa DOT by 28 Iowa jurisdictions, 156 were approved and 192 were denied statewide; Cedar Rapids submitted 15 locations — the second-largest single-city submission after Davenport (Iowa DOT News Release, October 1, 2024).
Under Iowa Code §321P.6(2), Cedar Rapids speed camera fines are capped at $75 (11–20 mph over), $100 (21–25 mph over), $250 (26–30 mph over), and $500 (31+ mph over); work zone violations carry double those caps.
Iowa Code §321P.9(3) requires every Cedar Rapids speed camera to verify its internal calibrations daily and undergo monthly calibration by a trained person; calibration logs are public records under §321P.2(2)(a) and Chapter 22; a citation from a non-compliant camera is void under §321P.6(3).
Iowa Code §321P.6(4): Cedar Rapids speed camera violations are civil infractions that do not appear on driving records and do not affect automobile insurance rates.
Which Iowa defenses apply to your ticket?
Cedar Rapids speed cameras run under Iowa Code Chapter 321P (HF 2681, 2024), so all Iowa state-level defenses apply — including the calibration defense (daily self-verification + monthly trained-person calibration required; missed calibration voids the citation), the denied-location defense (7 Cedar Rapids locations denied effective October 1, 2024 — citations at those locations are void under §321P.6(3)), the signage defense (§321P.5(1)), the front-facing-photo defense (§321P.9(2)), and the owner-not-operating evidence submission right (§321P.7(2)(a)). The Iowa state page covers those defenses in full; this page adds Cedar Rapids's 8 approved vs. 7 denied locations, the I-380 S-curve program history and Behm litigation, and the specific denied intersections.
See all Iowa speed camera defenses →Cedar Rapids Speed Camera Ticket FAQ
What cameras does Cedar Rapids have, and which are currently legal?
Cedar Rapids currently operates 6 approved fixed speed cameras on I-380 and Williams Boulevard, plus 2 approved mobile camera positions on 29th Street Drive SE — 8 total locations with valid Iowa DOT permits as of October 1, 2024. Seven camera locations Cedar Rapids applied for were denied by the Iowa DOT and must be turned off. The program is speed-only: Iowa has no statewide red-light camera law, and the Iowa DOT explicitly states 'there are no laws in Iowa relating specifically to red-light-running cameras.'
What is the I-380 S-curve, and why is it significant?
Interstate 380 passes through downtown Cedar Rapids in a tight S-curve between the J Avenue and 1st Avenue exits. Cedar Rapids first placed speed cameras here years before Iowa's 2024 statewide framework, citing crash and fatality data. The I-380 cameras became the subject of Iowa's most significant ATE litigation — Behm v. City of Cedar Rapids, 922 N.W.2d 524 (Iowa 2019), where the Iowa Supreme Court upheld the city's ATE ordinance — and were central to the legislative debates leading to HF 2681. The Iowa DOT granted Cedar Rapids permits for four camera positions on this corridor under the new framework.
I got a Cedar Rapids speed camera ticket at 1st Avenue or Edgewood Road — is it valid?
If your citation shows a location at 1st Avenue (at 10th Street E or L Street SW) or Edgewood Road at 42nd Street NE, and the violation date is on or after October 1, 2024, that citation may be void. The Iowa DOT denied Cedar Rapids's permit applications for those locations effective October 1, 2024, on grounds of 'not least restrictive means.' Iowa Code §321P.6(3) states a 'citation issued while the system is not in compliance with this chapter is void and unenforceable.'
How do I contest a Cedar Rapids speed camera ticket?
Cedar Rapids ATE citations are civil infractions under Iowa Code §321P.6(4). Contest by the deadline printed on your citation using the address and method on the citation face — the specific forum post-HF 2681 is either a Cedar Rapids administrative process or Linn County District Court. Iowa Code §321P.7(2)(a) guarantees the right to submit evidence that you were not the driver. You may also raise Iowa's statutory void-and-unenforceable grounds: failed calibration (§321P.9(3)), no DOT permit (§321P.2(1)), non-compliant signage (§321P.5(1)), or a front-facing camera photograph (§321P.9(2)).
Does a Cedar Rapids speed camera ticket affect my driving record or insurance?
No. Iowa Code §321P.6(4) expressly provides that ATE violations are civil infractions that 'shall not be considered by the department of transportation for purposes of driver's license sanctions, and shall not be considered by an insurer for purposes of a person's automobile insurance rates.' Zero points, no driving record entry, civil penalty only.
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ParkingFight is not a law firm and does not provide legal advice. Information is for informational purposes only and based on publicly available Iowa statutes, Cedar Rapids program documents, and primary-source research as of 2026-06-08. Verify current rules with your court or a licensed attorney.