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Pennsylvania Consolidated Statutes

75 Pa. Cons. Stat. § 6105 (2026)

 Department to prescribe traffic and engineering investigations.

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§ 6105.  Department to prescribe traffic and engineering investigations.

The department may establish by regulation the manner in which traffic and engineering investigations shall be carried out. The department may specify particular actions which require traffic and engineering investigations. No action shall become effective until the investigation has been properly completed.

Notes of Decisions
Cited in 5 cases (1 in the last 5 years), 2000–2023 · leading case: Wenger v. West Pennsboro Twp., 868 A.2d 638 (Pa. Commw. Ct. 2005).
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Wenger v. West Pennsboro Twp., 868 A.2d 638 (Pa. Commw. Ct. 2005). · cites it 2× “See 75 Pa.C.S. §§ 6105, 6109(e), 6122(b); see generally 67 Pa.”
Starr v. Veneziano, 747 A.2d 867 (Pa. 2000). · cites it 2× “See 75 Pa.C.S. §§ 6105, 6109(e), 6122(b); see generally 67 Pa.”
A.C. Bender v. DOT, No. 77 C.D. 2019 (Pa. Commw. Ct. June 30, 2020). “2d at 873 (citing 75 Pa.C.S. §§ 6105 (relating to PennDOT’s authority to “establish by regulation the manner in which traffic and engineering investigations shall be carried out”), 6109(e), 6122(b) (relating to the standards for PennDOT approval), and PennDOT 16 regulations…”
C.M. Novak v. W. McLaughlin, Jr., 297 A.3d 462 (Pa. Commw. Ct. 2023). “See [Sections 6105, 6109(e), and 6122(b) of the Vehicle Code,] 75 Pa.C.S. §§ 6105 [(Department of Transportation (Department) to prescribe traffic and engineering investigations.”
Marshall v. Wilson, 40 Pa. D. & C.5th 225 (Pa. Ct. Com. Pl. 2014). “Because the vehicle code itself directs the Commonwealth and municipalities to install traffic control devices only after a traffic and engineering investigation that a particular device or signal is an appropriate means of regulating traffic, 75 Pa.”
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