• Corporate HQ, NY
  • Melville, NY
  • Iselin, NJ
  • Ossining, NY
  • Mount Laurel, NJ

East 48th Street Ramp


New York City<br style='line-height:2px'>New York State Department of Transportation

HAKS provided preliminary and final design for the East 48th Street ramp under the Regional Design Services Agreement for Region 11 for the New York State Department of Transportation. We prepared the expanded project proposal (EPP) for the ramp, which runs from First Avenue to the FDR Drive on the east side of Midtown Manhattan. The project included preliminary engineering for the development of six alternatives for the rehabilitation and/or replacement of the ramp, analysis of existing structures, traffic analysis, and removal of substandard structures. A major concern was the justification to the FHWA for a left-hand entrance and merge into a high-volume arterial highway. HAKS also provided the final lighting design for the project.

Project features included:

  • Qualitative assessment of operating speeds, design-year travel speeds and delays
  • Quantitative assessment of traffic, pedestrian and turning movement counts
  • Highway capacity and loss of service analysis
  • Accident analysis for the three-year period before the closing of the ramp
  • Development of design criteria, objectives and evaluation criteria
  • Development of alternative solutions and EPP

The design provided for complete demolition of the badly deteriorated ramp structure and construction of a new steel box girder structure; removal and replacement of pavement along the proposed ramp’s at-grade approaches; replacement of lighting and drainage; and installation of new roadside protection features.