California Traffic Engineer Bus. & Prof. Code § 6701 Attorney Fee Petition Mechanics: PE-NNNNN License Verification at search.dca.ca.gov as Primary Welch Anchor (THE ONLY § 6701 Traffic Engineer Page — DISTINCT FROM Civil Engineer § 6730 PE-CE, Mechanical Engineer PE-ME, and Electrical Engineer PE-EE; ITE Traffic Engineering Handbook Advisory [PURE KETCHUM]; AASHTO Policy on Geometric Design of Highways and Streets Advisory [PURE KETCHUM]; TWO PRIVATE STANDARDS ON ONE PAGE), CCP § 1021.5 Private Attorney General Mandatory Attorney Fees

Statutory Framework: Bus. & Prof. Code § 6701 and PE-TE Licensure — Traffic Engineer Requirements, Scope of Practice, ITE Handbook [PURE KETCHUM], AASHTO Green Book [PURE KETCHUM], and CCP § 1021.5 Mandatory Attorney Fees

California Business and Professions Code § 6701 defines traffic engineering as a specialized branch of professional engineering focused on the safe, efficient movement of people and goods on California’s roadway network. Traffic engineering practice encompasses traffic impact analysis (trip generation, distribution, assignment, and level of service analysis for development projects), signal warrant analysis and timing design, sight distance evaluation for driveways and intersections, traffic control plan design for construction zones, pedestrian and bicycle facility design, and transportation demand modeling. § 6701 requires that traffic engineering documents — including traffic impact studies submitted for discretionary planning approvals, signal warrant studies submitted to public agencies, driveway sight distance analyses, and traffic control plans for work in the public right-of-way requiring California Traffic Manual (CT Manual) engineer oversight — be prepared and stamped by a PE-TE licensed by BPELSG. § 6785 prohibits unlicensed engineering practice; a person who prepares and stamps traffic engineering documents without a valid PE-TE commits § 6785 unauthorized engineering practice, actionable under CCP § 1021.5 when the litigation vindicates a public interest in safe traffic systems protecting California road users, pedestrians, and the traveling public. Primary Welch anchor: BPELSG License Verification at search.dca.ca.gov (PE-NNNNN module, PE-TE designation).

ITE TRAFFIC ENGINEERING HANDBOOK ADVISORY — THE ONLY PAGE IN THE FEE-PETITION-MECHANICS SERIES WITH AN ITE TRAFFIC ENGINEERING HANDBOOK ADVISORY — PURE KETCHUM: The Institute of Transportation Engineers (ITE, founded 1930, Washington DC) is a private nonprofit international professional organization representing traffic and transportation engineers. The ITE Traffic Engineering Handbook, 7th Edition, is the authoritative technical reference for traffic engineering practice, providing methodologies for trip generation analysis, traffic impact assessment, signal timing design, and multimodal transportation planning. Key ITE references applicable to California fee petitions include: (1) ITE Trip Generation Manual, 11th Edition — provides trip generation rates and regression equations by land use code derived from empirical field studies; rate vs. equation selection depends on project size, R² quality, and proximity to study sites; transit proximity and mixed-use interaction factors must be applied for urban transit-served sites per ITE Trip Generation Handbook guidelines; (2) MUTCD Signal Warrant Analysis — ITE guidance on applying MUTCD Warrants 1–9 to determine whether a traffic signal is justified; Warrant 4 (Pedestrian Volume) requires documented 8-hour pedestrian volume counts from actual field observation, not estimated counts, before certifying warrant satisfaction. ITE Handbook standards create no statutory fee-shifting; they are PURE KETCHUM advisories.

AASHTO POLICY ON GEOMETRIC DESIGN OF HIGHWAYS AND STREETS ADVISORY — THE ONLY PAGE IN THE FEE-PETITION-MECHANICS SERIES WITH AN AASHTO GREEN BOOK ADVISORY — PURE KETCHUM: The American Association of State Highway and Transportation Officials (AASHTO, founded 1914, Washington DC) is a private nonprofit organization representing highway and transportation departments of all 50 US states. The AASHTO Policy on Geometric Design of Highways and Streets (“Green Book”), 7th Edition (2018), establishes minimum geometric design standards for roads, intersections, and driveways including: (1) Stopping Sight Distance (SSD) — the minimum distance required for a driver traveling at design speed to see a hazard and bring a vehicle to a complete stop before reaching it; Table 3-1 specifies minimum SSD by design speed (200 feet at 30 mph, 305 feet at 40 mph, 360 feet at 45 mph, 425 feet at 50 mph, 495 feet at 55 mph); (2) Entering Sight Distance (ESD) — the greater sight distance required for a vehicle turning left from a driveway to assess an adequate gap in traffic; ESD values are typically 1.5–2.0 times the SSD for the same design speed; (3) Sight triangle measurement methodology — sight distance is measured from a driver’s eye position 3.5 feet above the road surface, 15 feet back from the edge of the traveled way, to a 2.0-foot object on the roadway centerline. AASHTO Green Book standards create no statutory fee-shifting; they are PURE KETCHUM advisories.

Three-Track Harm: Apartment Development Traffic Study ITE Trip Gen Error ($285K City Remediation), Driveway Sight Distance AASHTO Error T-Bone Collision ($195K), and Signal Warrant ITE Methodology Error City Removal Cost ($95K)

• UNLICENSED TRAFFIC CONSULTANT PROVIDES PE STAMP FOR TRAFFIC IMPACT STUDY FOR 800-UNIT APARTMENT DEVELOPMENT — NO PE-TE LICENSE (BPELSG CONFIRMS NO PE-NNNNN PE-TE IN DATABASE) — ITE TRIP GENERATION MANUAL LAND USE CODE 222 (MID-RISE APARTMENT) SUBURBAN REGRESSION EQUATION APPLIED TO DENSE URBAN TRANSIT-SERVED SITE WITHOUT TRANSIT PROXIMITY REDUCTION — AM PEAK HOUR VEHICLE TRIP GENERATION UNDERSTATED BY 40% (ACTUAL 480 TRIPS VS. CERTIFIED 280 TRIPS) — DEVELOPMENT APPROVED BY CITY RELYING ON STUDY — DEVELOPMENT OPENS — THREE NEARBY INTERSECTIONS DETERIORATE TO LEVEL OF SERVICE F DURING AM PEAK — CITY REQUIRED TO FUND EMERGENCY SIGNAL MODIFICATIONS AND TURN-LANE EXTENSIONS — $285,000 CITY REMEDIATION COST — PRIVATE ATTORNEY GENERAL ACTION UNDER CCP § 1021.5 PUBLIC INTEREST ENFORCEMENT. An 800-unit mid-rise apartment development in an established urban neighborhood with bus rapid transit within one-quarter mile required a traffic impact study (TIS) as a condition of the discretionary planning approval. The TIS was prepared and stamped by a consultant who held a CSLB general contractor’s license but no BPELSG PE-TE designation (BPELSG confirms no PE-NNNNN in the database for any PE designation). The TIS applied ITE Trip Generation Manual Land Use Code 222 (Mid-Rise Apartment) using the suburban regression equation, which does not incorporate transit proximity, walkability, or mixed-use interaction reductions applicable to transit-oriented development. The ITE Trip Generation Handbook (NCHRP Report 684 supplement) specifies that developments within one-quarter mile of high-quality transit with pedestrian LOS A-B may apply a 20% to 40% transit mode share reduction from base ITE suburban rates — but the transit proximity factor must be applied; the consultant instead used suburban rates without any adjustment, overstating vehicle trip generation for an urban transit-served site. The AM peak hour generation was certified at 280 external vehicle trips; the actual post-opening count was 480 — a 71% increase over certification. Three nearby signalized intersections deteriorated to LOS F during the AM peak hour, requiring the city to fund emergency signal retiming, turn-lane extensions, and signal coordination study. The city incurred $285,000 in capital and engineering costs. A neighboring property owner brought a CCP § 1021.5 action to enforce the city’s development approval conditions. The attorney retains a licensed traffic engineer expert to opine on the ITE Trip Generation Handbook transit proximity reduction omission and causation of the intersection failures.
• UNLICENSED PERSON PROVIDES PE STAMP FOR SIGHT DISTANCE ANALYSIS FOR NEW COMMERCIAL DRIVEWAY ON 45 MPH ARTERIAL — NO PE-TE LICENSE — AASHTO GREEN BOOK TABLE 3-1 STOPPING SIGHT DISTANCE FOR 45 MPH DESIGN SPEED IS 360 FEET — SIGHT DISTANCE ANALYSIS MEASURES DISTANCE TO OBSTRUCTING MATURE OAK TREE AT DRIVEWAY’S NORTH SIDE AND CERTIFIES 240 FEET AS ADEQUATE FOR THE POSTED 45 MPH ROADWAY — SIGHT DISTANCE REPORT SUBMITTED TO CITY AND DRIVEWAY PERMIT ISSUED — OBSTRUCTION NOT TRIMMED — LEFT-TURN EXITING DRIVER CANNOT SEE APPROACHING NORTHBOUND VEHICLE — T-BONE COLLISION — PASSENGER PERMANENT SPINAL INJURY — $195,000. A commercial auto services business applied for a driveway access permit on a 45 mph arterial. The municipal engineering department required a sight distance analysis certified by a licensed traffic engineer. The analysis was prepared and stamped by a civil engineer who held a BPELSG PE-CE designation but no PE-TE designation (BPELSG confirms PE-CE only, no PE-TE, in the database). The analysis field-measured the sight distance to a mature oak tree on the north side of the proposed driveway and determined available sight distance of approximately 240 feet in the northbound direction. The report certified 240 feet as adequate for the posted 45 mph arterial, referencing a 200-foot requirement from a 1970s state standard. The applicable AASHTO Green Book Table 3-1 stopping sight distance for 45 mph design speed is 360 feet; for a left-turn exiting driveway, the entering sight distance (ESD) standard requires approximately 610 feet in the northbound direction. The city issued the driveway permit relying on the certified analysis. Twenty-two months after the driveway opened, a driver exiting the business turning left could not see an approaching northbound vehicle due to the retained oak tree obstruction; the northbound vehicle struck the left-turning vehicle at approximately 40 mph. The passenger in the left-turning vehicle sustained a C5-C6 cervical fracture requiring surgical fusion, resulting in permanent cervical radiculopathy. The attorney retains a licensed traffic engineer to opine on the AASHTO Green Book stopping sight distance deviation and causation of the collision injury.
• UNLICENSED ENGINEER PROVIDES PE STAMP FOR MUTCD SIGNAL WARRANT ANALYSIS FOR PROPOSED NEW TRAFFIC SIGNAL AT RESIDENTIAL-ARTERIAL INTERSECTION — NO PE-TE — ITE GUIDANCE ON MUTCD WARRANT 4 (PEDESTRIAN VOLUME) REQUIRES DOCUMENTED FIELD PEDESTRIAN VOLUME COUNTS FROM MINIMUM 8-HOUR OBSERVATION — WARRANT ANALYSIS USES ESTIMATED PEDESTRIAN VOLUMES FROM CENSUS DATA INSTEAD OF FIELD COUNTS — ESTIMATED VOLUMES SATISFY WARRANT 4 THRESHOLD — CITY INSTALLS TRAFFIC SIGNAL AT COST OF $285,000 — CALTRANS TECHNICAL REVIEW FOR SIGNAL INSTALLATION ON STATE ROUTE 35 REQUIRES FIELD-COUNT DOCUMENTATION — FIELD COUNTS SHOW PEDESTRIAN VOLUMES BELOW WARRANT 4 THRESHOLD — CALTRANS ORDERS SIGNAL REMOVAL WITHIN 12 MONTHS — $95,000 CITY REMOVAL AND ADMINISTRATIVE COST. A residential neighborhood adjacent to a state route intersection applied to the city for a new traffic signal, citing pedestrian safety concerns. The city required a signal warrant analysis pursuant to the California Manual on Uniform Traffic Control Devices (California MUTCD). The warrant analysis was prepared and stamped by a person holding no BPELSG PE designation. The analysis evaluated MUTCD Warrants 1 through 9 and found that Warrant 4 (Pedestrian Volume) was satisfied based on pedestrian volume estimates derived from U.S. Census journey-to-work data — not from actual field pedestrian volume counts. ITE guidance on MUTCD Warrant 4 implementation specifies that pedestrian volumes for warrant analysis must be established from field observation counts conducted during the critical 8-hour periods (typically AM and PM school periods and afternoon peak periods) at the specific intersection location; census-derived estimates are not acceptable substitutes for field counts because they represent origin-destination patterns rather than intersection-crossing activity. The city’s engineering department accepted the analysis and installed a $285,000 traffic signal. When the city submitted the signal installation documentation to Caltrans for approval (required because the intersection includes a state route), Caltrans’ traffic operations review identified that the Warrant 4 analysis was based on estimated rather than field-counted pedestrian volumes. Caltrans field staff conducted an 8-hour pedestrian count at the intersection and documented actual pedestrian crossings at 40% of the warrant threshold. Caltrans issued an order requiring signal removal within 12 months. The city incurred $95,000 in signal removal and administrative costs. The attorney retains a licensed traffic engineer to opine on the ITE MUTCD Warrant 4 field count requirement deviation and the unlicensed engineering practice.

Distinct From Civil Engineer (§ 6730 PE-CE), Mechanical Engineer (§ 6701 PE-ME), and Electrical Engineer (§ 6701 PE-EE)

• DISTINCT FROM Civil Engineer (Bus. & Prof. Code § 6730 PE-CE) — A Civil Engineer (PE-CE) is licensed to perform road geometric design, pavement design, highway drainage, and civil infrastructure engineering; civil engineering includes transportation engineering elements such as road grade, horizontal and vertical alignment, and pavement structure; however, traffic impact analysis, signal warrant studies using MUTCD methodology, ITE trip generation analyses, and sight distance analysis using AASHTO ESD standards are within the specialized traffic engineering scope requiring PE-TE certification: a road design project requires PE-CE for geometric design and drainage; a development permit requires PE-TE for traffic impact analysis; the § 6701 (PE-TE) fee petition requires confirming absence of PE-NNNNN with PE-TE designation for traffic engineering services, not PE-CE designation.
• DISTINCT FROM Mechanical Engineer (Bus. & Prof. Code § 6701 PE-ME designation) — A Mechanical Engineer (PE-ME) is licensed to perform HVAC system design, process piping, and mechanical equipment engineering; a Mechanical Engineer has no traffic engineering authority; a Traffic Engineer (PE-TE) has no mechanical engineering authority; the two PE designations serve entirely different engineering disciplines and are non-substitutable: a development project may require both PE-TE stamped traffic documents and PE-ME stamped mechanical engineering documents; neither designation authorizes the practice of the other.
• DISTINCT FROM Electrical Engineer (Bus. & Prof. Code § 6701 PE-EE designation) — An Electrical Engineer (PE-EE) is licensed to perform traffic signal electrical design (power supply, controller cabinet wiring, electrical interconnect) but NOT the traffic signal warrant analysis, signal timing design, or transportation demand analysis that require PE-TE certification; conversely, a Traffic Engineer (PE-TE) may perform signal timing and warrant analysis but may not stamp the electrical power distribution design for the signal installation without PE-EE designation: a traffic signal installation requires PE-TE for warrant analysis and signal timing, and PE-EE for the electrical power design; neither designation alone covers both scopes.
• DISTINCT FROM Licensed Land Surveyor (Bus. & Prof. Code § 8762 LS-NNNNN) — A Licensed Land Surveyor (LS-NNNNN) is licensed to perform boundary surveys, topographic surveys, and legal descriptions of parcels; topographic surveys used as base maps for traffic engineering design require LS-NNNNN; the traffic analysis, trip generation, and sight distance analyses require PE-TE; the two licenses serve entirely different functions within a transportation engineering project: a roadway improvement project requires LS-NNNNN for the existing condition topographic survey and PE-TE for the traffic analysis; neither license substitutes for the other.

Billing Gaps 1–3 Summary (13.25 hrs/yr = $3,975–$6,625/yr)

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