The New Jersey Department of Transportation (NJDOT) Standard Construction Details are a set of engineered drawings that specify exactly how common highway and bridge elements must be built on state-funded or state-jurisdiction projects. They cover everything from curb ramps and pavement joints to guiderail terminals, manhole adjustments, and traffic signal foundations.
Always check the Special Provisions of your contract—they can modify a standard detail. njdot standard construction details best
If you are looking for specific technical details, these are the primary resources used by engineers and contractors: NJDOT Standard Construction Details: The Definitive Guide to
Guide Rails (MASH Compliance): Revisions (BDC21S-13) mandate MASH-compliant construction barriers. Grading treatments for flared/tangent terminals must follow CD-609-10 series. Sign-off by PE (Professional Engineer licensed in NJ)
| Detail No. | Title | Critical Note | |-------------|-------|----------------| | D-BC-1 | Standard Curb Ramp (Type A) | Requires 1:12 max slope, detectable warnings. | | D-DG-3 | Trench Drain Assembly | Do not substitute grate type without approval. | | D-MH-2 | Adjust Manhole to Grade | Must use brick or precast adjustment rings—no asphalt fill. | | D-GR-4 | MGS Guiderail Terminal (End Treatment) | Follow AASHTO MASH 2016 requirements. | | D-SG-2 | Breakaway Sign Support Foundation | Bolt torque specification is mandatory. | | D-EC-1 | Silt Fence Installation | Embedment depth = 18 inches min. |