"Route" could suggest a possible zip code:
29152 is Shaw AFB, SC. But there is no 29182 on record. Postalanons?
Found it:
California Code, Penal Code - PEN § 29182
a)(1) The Department of Justice shall accept applications from, and shall grant applications in the form of serial numbers pursuant to Section 23910 to, persons who wish to manufacture or assemble firearms pursuant to subdivision (b) of Section 29180 .
(2) The Department of Justice shall accept applications from, and shall grant applications in the form of serial numbers pursuant to Section 23910 to, persons who wish to own a firearm described in subdivision (c) of Section 29180 .
(b) An application made pursuant to subdivision (a) shall only be granted by the department if the applicant does all of the following:
(1) For each transaction, completes a personal firearms eligibility check demonstrating that the applicant is not prohibited by state or federal law from possessing, receiving, owning, or purchasing a firearm.
(2) Presents proof of age and identity as specified in Section 16400 .  The applicant shall be 18 years of age or older to obtain a unique serial number or mark of identification for a firearm that is not a handgun, and shall be 21 years of age or older to obtain a unique serial number or mark of identification for a handgun.
(3) Provides a description of the firearm that he or she owns or intends to manufacture or assemble, in a manner prescribed by the department.
(4) Has a valid firearm safety certificate or handgun safety certificate.
(c) The department shall inform applicants who are denied an application of the reasons for the denial in writing.
(d) All applications shall be granted or denied within 15 calendar days of the receipt of the application by the department.
(e) This chapter does not authorize a person to manufacture, assemble, or possess a weapon prohibited under Section 16590 , an assault weapon as defined in Section 30510 or 30515 , a machinegun as defined in Section 16880 , a .50 BMG rifle as defined in Section 30530 , or a destructive device as defined in Section 16460 .
(f) The department shall adopt regulations to administer this chapter.
Sauce:
https://codes.findlaw.com/ca/penal-code/pen-sect-29182.html
>29182
First blush decode: Q has, in the past, brought up penal codes as an indication that someone has been committing a crime and that Q+ are aware of it.
>_y
is part of the placeholder codes, and hasn't been decoded yet that I'm aware of (although there is the 25 decode from earlier this bread).
Countdown (zero hour plus 2, 3 and 4 days, respectively)
>00:00:00+4
>00:00:00+3
>00:00:00+2
Could be Q saying this op is ahead of schedule?