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NJLTAP – Roadway and Roadside Drainage (In-Person)

  • June 15, 2023
  • 8:30 am–3:30 pm

Course Description:

This course covers the examination of drainage problems, properties and effects of soil and subsurface water, and how to maintain, inspect, and install culverts among many other drainage issues.


  • Extent of drainage problems
  • Earth material and subsurface water (Effects)
  • Subsurface drains
  • Culvert design and maintenance
  • Cross section elements
  • Purpose of cross section elements and maintenance techniques
  • Ditches, Erosion, and Slopes
  • The purpose and maintenance of ditches & types of erosion and ways to reduce erosion

Learning Objectives:

  1. Contrast the differences in soil behavior in the presences of water (gravel to clay)
  2. Choose good candidates for subsurface drains and select proper backfill for said drains
  3. Select the proper cross section to improve surface drainage off a highway
  4. Analyze a culvert’s maintenance needs
  5. Select the lining / covering for a ditch or slope to reduce erosion while still performing its function

Intended Audience:
Crew leaders including foremen, equipment operators, superintendents of small highway departments, and others who want to gain knowledge of open drainage systems. The course is geared to practical day-to-day operations.


6 PDH. 6 Technical CPWM Contact Hours

David P. Orr, P.E., Director of the NYLTAP, Cornell Local Roads Program. Formerly the Deputy Highway Superintendent for Yates County, NY.,  David has over fifteen years of road-related experience.

This workshop is sponsored by the Federal Highway Administration and New Jersey Department of Transportation through the New Jersey Local Technical Assistance Program.

Date & Time

June 15, 2023
8:30 am–3:30 pm


Rutgers CAIT Auditorium
100 Brett Road
Piscataway, NJ 08854 United States

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illustrated map of local road safety plans