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  1. #1

    Default Illinois Photo Radar Buffer Zone?

    I'm new to the forum but have a question regarding photo radar in Illinois.

    I got a speeding ticket in a work zone about 2 years ago so ever since then I have legitimately tried to stay around 45 mph every time I drive through a work zone (which is incredibly trying when almost every road in Illinois is being worked on).

    I passed a photo van today and as I approached the van, its radar showed 47 mph. Once I saw this I immediately slowed down and passed the van going 42-44.

    I know this may sound stupid, but I'm worried that even though I was only going 2 mph over the 45 mph speed limit the van is going to issue me a ticket.

    Does anyone have any idea as to the guidelines/critieria for the photo vans? Are they looking to give any and all cars over 45 mph tickets or are they mainly looking to get the people going 10+ over?

    Please let me know. Thanks!

  2. #2
    Good Citizen
    Join Date
    Jun 2007


    well no because this happen to me like 2-3 months ago i didnt really see the van and i was doing 65-66 in a 45 mph contruction zone, i didnt have a radar detector back then so thats why it was to late when i saw the van. So i was scared **** less for couple weeks that i was going to get a ticket in the mail, but its been between 2-3 months i havent gotten nothing yet. and i doubt they will give u a ticket for going over 2 miles i mean common thats really stupid if they do, but like i said i was going 17 over the speed limit and i didnt get no ticket

  3. #3
    Join Date
    Mar 2008


    Well, the Illinois Photo-radar vans just started issuing tickets on I-94 on 5/19/08. Supposedly, they will only issue tickets in work zones where at least one construction worker is present. Somehow I suspect that in addition to the crew of the van and the Illinois State Police patrolman, the van might be staffed with a 'construction worker'. I'll be out on the roads later today and will try and get a read on what band radar and/or laser they are using. This weekend there will be two of these Photo-radar vans out on I-94, and one downstate. They are very conspicuous with a 3x3 digital read out of your speed.

    I'm tempted to go buy a couple photo blocking license plate covers yet today.

  4. #4
    Join Date
    Mar 2006
    UK & USA


    It's K band radar and your RD should protect you just fine.

    similar thread here:

  5. #5


    i got nailed in the ipass lane from last june. i like in WI and the fine just came in the mail. ironically i was stuck in the iPass lane due to construction and couldn't get out of it for 3 tollways.

    car looked great in the picture though

  6. #6
    Join Date
    May 2008


    Here is some info. Very current updated press release. Very, very scary too.

    05/29/2008 Illinois Tollway & Illinois State Police District 15 Crack Down on Speeders in Construction Areas
    Work Zone Speed Limits Enforced 24/7, Regardless if Workers Are Present

    DOWNERS GROVE, Ill. – In an effort to enhance safety in work zones for motorists and construction workers alike, the Illinois Tollway and Illinois State Police District 15 will demonstrate zero tolerance for drivers who exceed work zone speed limits by aggressively ticketing violators and utilizing a variety of speed-enforcement initiatives during the 2008 construction season.

    The 45 m.p.h. work zone speed limit for Tollway construction projects is strictly enforced 24 hours a day, seven days a week, regardless if workers are present. Signage posted throughout construction zones clearly states that the minimum penalty for violating the construction zone speed limit is a $375 fine. First-time offenders also are subject to mandatory court appearance. A second violation will result in a $1,000 fine and the loss of driver’s license for 90 days. Hitting a worker could result in a $10,000 fine and up to 14 years in jail.

    “Speeding and driving too fast for conditions are the leading causes of roadway accidents,” said District 15 Commander Tami Haukedahl. “Tollway drivers need to be aware that we are serious about enforcing the posted speed limits. Our priority is the safety of drivers and workers in construction zones, and we have multiple tools to ensure that those who don’t slow down are severely penalized.”

    Work zones speed limits are in place to protect workers as well as for the benefit of drivers traveling through the construction. Work zones can present obstacles to drivers, included narrowed lanes, lane jogs and counterflow lanes, reduced shoulder widths, uneven pavement levels, and construction equipment. Reduced speeds allow drivers time to make adjustments to avoid accidents and the absence of workers does not eliminate the need to slow down for construction conditions.

    The Illinois Tollway is investing $6.3 billion to rebuild and widen roadways systemwide as part of Gov. Rod Blagojevich’s Congestion-Relief Program – Open Roads for a Faster Future. As a result, drivers are encountering more work zones on the tollroads than ever before, as well as stepped-up efforts to enforce reduced speed limits in those work zones. Now in the fourth year, the Tollway’s Congestion-Relief Program is focusing on rebuilding and restoring the majority the Illinois Tollway’s 50-year-old roadways along with adding new lanes to provide additional capacity in critical areas.

    “Travel will be more challenging this year due to the volume construction throughout the Tollway system, and we apologize in advance for the inconvenience. However, we ask drivers to realize that when the projects are complete we will have brand new roads with additional capacity to better serve our customers,” said Executive Director Brian McPartlin. “It’s important for drivers to remain attentive and drive responsibly in construction zones, as well as plan additional time for travel – whether they are commuters traveling during the work week or leisure travelers driving on the weekends.”

    During the 2008 construction season work zones will be in place on a 45-mile-long stretch of the Tri-State Tollway (I-94/I-294) from O’Hare Airport to the Wisconsin state line, as well as in an 11-mile segment on the south end between 95th Street and 159th Street. On the Reagan Memorial Tollway (I-88) construction is underway throughout a 23-mile-long corridor from Oak Brook to North Aurora. The northwest end of the Jane Addams Memorial Tollway (I-90) from Rockford to the Wisconsin state line is currently under construction, including the Cherry Valley Interchange at I-90 and I-39. In addition, work is planned on the Veterans Memorial Tollway (I-355) from 75th Street to Ogden Avenue.

    Work Zone Enforcement Efforts

    District 15’s proven work zone safety initiatives include use of Photo Speed Enforcement Vans, Operation Hard Hat details and Operation Full House details. In addition District 15 will make use of motorcycle patrols dedicated to construction zones, details targeting trucks and commercial vehicles, and enforcement during regular daily roadway patrols.

    Photo Speed Enforcement Vans Operational only when workers are present, the well-marked white Photo Speed Enforcement Vans are staffed by State Troopers and equipped with state-of-the-art photo radar technology designed to record the speed of vehicles and capture clear images of the driver and the license plate – regardless of the time of day or weather conditions. Tickets with the $375 fine are sent by certified mail within six business days and offenders are subject to a mandatory court appearance. District 15 State Police has working arrangements with courts in Cook, Lake, DuPage, Kane and Winnebago counties to operate the Photo Speed Enforcement Vans.

    Operation Hard Hat Details

    Hard Hat details place District 15 Troopers dressed as construction workers in active work zone sites. Troopers are equipped with LIDAR (Light Detection and Ranging) guns to clock the speed of individual cars driving by. LIDAR guns use the same principles as radar guns to measure speed, but employ light beams to pinpoint the speed of each targeted vehicle with accuracy. By radioing a vehicle description ahead to Troopers in squad cars just outside the work zones, State Police then safely pull the speeders over and issue citations.

    Operation Full House Details

    Operation Full House details concentrate District 15 personnel and resources into a targeted roadway corridor to aggressively enforce all traffic laws. The details can utilize personnel from District 15 Special Enforcement Teams, Truck Team, Air Operations and some administrative perso

    nnel. Motorist traveling on the selected Tollway during a Full House detail will see Troopers approximately every five miles. Officer will be concentrate on fatal five violations; speeding, improper lane usage, following too closely, seat belt violations and DUI.

  7. #7
    Speed Demon
    Join Date
    Jul 2007


    Sounds like a warzone.

    Anyways... IIRC, most photo radar is set to allow up to 11MPH.

  8. #8
    Yoda of Radar
    Join Date
    Mar 2005
    Rottweiler Land


    Ya, got to love the anus state of Illinois.....

  9. #9
    Join Date
    Jul 2005
    Illinois, USA


    well, maybe they might be able to enforce the work zone speed limit with a LEO stationed there running radar, but automated photo radar can't when there are no workers present, regardless.

    they would have to fight this:

    (625 ILCS 7/10)
    Sec. 10. Establishment of automated control systems. The Department of State Police may establish an automated traffic control system in any construction or maintenance zone established by the Department of Transportation or the Illinois State Toll Highway Authority. An automated traffic control system may operate only during those periods when workers are present in the construction or maintenance zone. In any prosecution based upon evidence obtained through an automated traffic control system established under this Act, the State must prove that one or more workers were present in the construction or maintenance zone when the violation occurred.
    (Source: P.A. 93‑947, eff. 8‑19‑04; 94‑757, eff. 5‑12‑06; 94‑814, eff. 1‑1‑07.)

  10. #10
    Legal in 41 States
    Join Date
    Feb 2007


    ^^^ Do you have a link to that source?



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