Case Studies

RS&H T-CM Team Tames Tricky Tunnel Paving Job

By |2018-09-11T21:22:29+00:00June 27th, 2018|Tags: , , , |

The Big Walker Mountain Tunnel sneaks up like a ghost on motorists traveling Interstate 77 through Virginia’s Appalachian Mountains. Big Walker Mountain is the first mountain along the interstate that crews could not snake the road around – so motorists have been driving through it for 46 years. They’re now traveling on a fresh [...]

Major Milestone: 15-Mile I-75 Express Lanes Open

By |2018-12-13T15:08:24+00:00April 24th, 2018|Tags: , , , , |

Another major milestone in the implementation of the South Florida Regional Managed Lanes network was achieved on March 24, with the opening of the first phase of the I-75 Express Lanes from Northwest 170th Street in Miami-Dade County to I-595 in Broward County. This 15-mile segment features a new, four-lane barrier separated, tolled managed lanes facility [...]

Community-minded I-95/I-10 Interchange Project Wins FICE Award

By |2018-08-03T15:24:36+00:00June 14th, 2017|Tags: , , , , , , |

Interstates 95 and 10 are two of the longest highways in the U.S., stretching over 4,000 miles. As expansive as they are, the 3-mile corridor where they intersect in Jacksonville presents cramped, sometimes chaotic, challenges. When the Florida Department of Transportation (FDOT) set out to update the I-10/I-95 interchange and surrounding 3-mile stretch, the [...]

P3 Case Study: Florida’s I-595

By |2018-12-13T15:08:50+00:00May 18th, 2017|Tags: , , , , , , , , |

Last month, we discussed how some states have been successful using Public-Private Partnerships (P3) as a tool to deliver transportation projects. South Florida’s Interstate 595 P3 project is one such project, finishing years ahead of schedule and achieving superior results for the Florida Department of Transportation (FDOT) because of this alternative solution.

Main Similarities and Differences that Impact Congress’s Decision on the Water Resources Development Act

By |2018-11-02T08:23:20+00:00October 20th, 2016|Tags: , , , , |

Have you heard about the Water Resources Development Act (WRDA) of 2016? Not to be confused with the WRDA of 1974 or WRDA of 1992 - those are just three of 11 WRDAs. All WRDAs are related to water resources needs, but the actual applications are varied among environmental, structural, navigational, flood protection, [...]

5 Steps to Take when Working with Cultural and Historic Resources

By |2018-11-02T08:23:06+00:00September 22nd, 2016|Tags: , , , |

Working with cultural and historic sites can be a sensitive proposition. In a recent example, the federal government requested a temporary cessation of the Dakota Access oil pipeline that runs through the reservation of an American Indian tribe, the Standing Rock Sioux. The Standing Rock Sioux tribe, which has drawn thousands to join their [...]

A New Gateway to California’s Central Coast

By |2018-10-05T02:48:22+00:00September 14th, 2016|Tags: , , , , |

San Luis Obispo County Regional Airport is the gateway to California’s Central Coast. Replacing its undersized and outdated passenger terminal has been a long-term dream of the community. The new replacement was first master planned more than 20 years ago, but suffered from several false starts caused by the after effects of 9/11 and [...]

HUC Boundaries and the Watershed Approach: The Wrong Tool for the Job

By |2018-11-02T08:25:01+00:00August 17th, 2016|Tags: , , , , , |

As scientists, we’re always on the lookout for universal theories, model applicability, and patterns in nature. Regulators are called upon to develop methodologies that are rapid, repeatable, and accessible. Permittees are looking for consistency in regulatory requirements so we can assess project feasibility. All of these are understandable and worthy goals, but oftentimes their [...]

The Key to Bridging Two Communities Together

By |2018-07-31T20:04:03+00:00May 3rd, 2016|Tags: , , |

The Pensacola Bay Bridge, which runs three miles between Pensacola and Gulf Breeze, Florida, has become an iconic structure since its opening in 1960. A critical link to US 98, the bridge provides vacationers with access to popular beaches, has recreational park facilities at both ends, and is visible for miles from surrounding locations. [...]