Advancing Public Transportation under the Bipartisan …

Senate Banking Committee Hearing – "Advancing Public Transportation under the Bipartisan Infrastructure Law: Update from the Federal Transit Administration" Statement of FTA Administrator Nuria Fernandez Tuesday, July 12th, 2022, 10:00 AM Dirksen Senate Office Building, Room 538

National Highway Traffic Safety Administration | US …

The National Highway Traffic Safety Administration (NHTSA) is the agency within the U.S. Department of Transportation that works to reduce deaths and injuries and economic costs due to motor vehicle crashes. ... dealers, distributors and fix the problem free-of-charge to owners by repairing, replacing, or repurchasing the vehicle or …

Free-fall concrete placement doesn't reduce strength, …

Published June 16, ASCC's bulletin titled "Free Fall of Concrete" observes the results of three different free-fall tests, which cover the […] Construction Equipment Ag Equipment

Free Fall of Concrete

In 1999, the Federal Highway Administration elimi-nated its 25 ft (8 m) free-fall limitation and now allows unlimited free fall of concrete. Free fall of concrete from heights of up to 150 …

Question regarding column pouring height

In 1999, the Federal Highway Administration eliminated its 25 ft (8 m) free-fall limitation and now allows unlimited free fall of concrete. Free fall of concrete from heights of up to 150 ft (46 m), directly over reinforcement or at high slumps, does not cause segregation or reduce compressive strength. Restricting free-fall heights does ...

Federal Railroad Administration Highway-Rail Grade

the railroad industry, Federal, State, and local government agencies, highway safety organizations, and others. OLI's trained and certified volunteer speakers offer free audience and age–specific safety presentations in order to increase public awareness and safety around railroad tracks. Additional information is available at:

Federal Railroad Administration

The Federal Railroad Administration has launched a web site designed to provide API access to real-time Hwy-Rail Crossing Inventory datasets. You may visit the API site at the following link: Federal Railroad Administration's Developer API Web Site Please note that only 10 crossings are available per one Public API Request.

Federal Transit Administration | US Department of …

Federal Transit Administration (FTA) is a modal administration within the U.S. Department of Transportation that provides financial and technical assistance to public transportation systems, including buses, subways, light …

FHWA-RD-98-088-Chapter 5. Results-CORROSION …

Federal Highway Administration 1200 New Jersey Avenue, SE Washington, DC 20590 202-366-4000 ... bars and an ASTM A615 black bar (control), in …

Chapter 7 (continued)

Federal Highway Administration 1200 New Jersey Avenue, SE Washington, DC 20590 202-366-4000. About; Programs; Resources; ... of a sample exposed to light loading similar to that expected in the field and then allowed free access to water. ... Spring thaws normally produce a loss of bearing capacity to well below summer and fall values, …

NEW LEADERSHIP NAMED AT STATE HIGHWAY …

FOR IMMEDIATE RELEASE Contact: Maryland Department of Transportation Public Affairs David Broughton, 410-865-1029 Jim Joyner, 410-865-1030 William Pines Named SHA Administrator Joey Sagal Named MDTA Executive Director . HANOVER, MD (August 9, 2023) – The Maryland Department of Transportation …

3.0 Design Considerations

Federal Highway Administration 1200 New Jersey Avenue, SE Washington, DC 20590 202-366-4000. About; Programs; ... gypsum concrete does not perform well when exposed to moisture or freezing weather, and the presence of free sulfates in the typical gypsum mixture may be promote steel corrosion in reinforced PCC pavement.

Bridges & Structures

The FHWA Office of Bridges and Structures provides national policy and technical guidance related to the design, construction, inspection, evaluation, …

Chapter 5

Federal Highway Administration 1200 New Jersey Avenue, SE Washington, DC 20590 202-366-4000 ... the modulus of rupture of a concrete surface layer may be specified as a Level 1 input, while the traffic load spectra are determined using a Level 2 approach, and the subgrade resilient modulus via a Level 3 estimate based on subgrade …

SEGREGATION OF CONCRETE OF DIFFERENT TYPES

Litke, S., "Concrete Free Fall Tested in Alabama Highway Department Project," Foundation Drilling, June-July 1992, pp.14 -16. The Effects of Free Fall Concrete in Drilled Shafts Jan 1994

Standard Specifications (FP) | FHWA

The Standard Specifications for the Construction of Roads and Bridges on Federal Highway Projects (FP) is issued primarily for constructing roads and bridges on …

Agency

The Federal-Aid Highway Program supports State highway systems, providing financial assistance for the construction, maintenance and operations of the Nation's 3.9 million-mile highway network, which includes the Interstate Highway System, primary highways, and secondary local roads. The FHWA implements the Federal-aid Highway Program in ...

STANDARD SPECIFICATIONS FOR CONSTRUCTION OF …

These Standard Specifications for the Construction of Roads and Bridges on Federal Highway Projects are issued primarily for constructing roads andbridges on Federal Highway projects under the direct administration of the Federal Highway Administration. These specifications are cited as "FP-14" indicating "Federal Project

FHWA-RD-98-088-Chapter 5. Results-CORROSION PROTECTION

Federal Highway Administration 1200 New Jersey Avenue, SE Washington, DC 20590 202-366-4000 ... (control), in both straight and bent shapes, were embedded in cracked and crack-free concrete test specimens of 9 varied test configurations, then subjected to in ... Corrosion Protection of Prestressed Concrete Bridge Members. In the …

Low-Carbon Transportation Materials Grants Program

U.S. Department of Transportation Federal Highway Administration 1200 New Jersey Avenue, SE Washington, DC 20590 202-366-4000

Standard Specifications (FP) | FHWA

The Standard Specifications for the Construction of Roads and Bridges on Federal Highway Projects (FP) is issued primarily for constructing roads and bridges on Federal Highway projects under the direct administration of the Federal Highway Administration.It is also used by the U. S. Forest Service and other Federal agencies on …

List of Federal Holidays for 2024 and 2025

December has just one federal holiday: Christmas Day. This is the only federal holiday with any religious affiliation and therefore has been contentious. In years when January 1st (New Year's Day) is on a Saturday, the holiday is observed on the preceding day (December 31st). As a result, December 2021 will have two federal holidays.

Highway-Rail Crossing Handbook

The Federal Highway Administration (FHWA) and Federal Railroad Administration (FRA) provide high-quality information to serve Government, industry, and the public in a manner that promotes public understanding. Standards and policies are used to ensure and maximize the quality, objectivity, utility, and integrity of its information.

Federal Highway Administration

U.S. Department of Transportation Federal Highway Administration 1200 New Jersey Avenue, SE Washington, DC 20590 202-366-4000

Manual of Practice

This manual (FHWA-RD-99-147) is an update of the Strategic Highway Research Program (SHRP) manual of practice (SHRP-H-348) on asphalt-surfaced pavement repair. The …

NHTSA | National Highway Traffic Safety Administration

Vehicle owners are urged not to drive affected vehicles until the free repair is completed. NHTSA Launches Labor Day Drive Sober or Get Pulled Over Campaign. ... National Highway Traffic Safety Administration. 1200 New Jersey Avenue, SE Washington, D.C. 20590. 888-327-4236 888-275-9171 (TTY)

Office of Federal Lands Highway

Each standard drawing is available in both Metric and US Customary units and conforms with the Standard Specifications (FP). Contact the Project Development …

Height Limits on Concrete Free Fall

The columns contain four #8 vertical bars. The fastest way to place the column concrete is by direct discharge because there's an unobstructed path to the bottom of the column. After we'd placed several columns this way, the engineer said we had to use a tremie hose because concrete shouldn't free fall more than 3 to 5 feet.

Rail Crossing Locator App | FRA

The Rail Crossing Locator allows emergency responders and the public to access information in FRA's highway-rail grade crossing database and a variety of map features from a mobile device. The app allows users to locate crossings by U.S. DOT Crossing ID number, address, or geo-location. ... Federal Railroad Administration. 1200 …

Free Fall of Concrete | Engineersdaily | Free Engineering …

In 1999, the Federal Highway Administration eliminated its 25 ft (8 m) free-fall limitation and now allows unlimited free fall of concrete. Baker and Gnaedinger report.