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Bookmark or Share- Chapter 6H - MUTCD 2009 Edition - FHWA - TransportationMedian Crossover for an Exit Ramp. Guidance: This typical application should be used for carrying an exit ramp across a closed directional roadway of a divided highway. The design criteria contained in the AASHTO "Policy on the Geometric Design of Highways and Streets" (see Section 1A.11) should be used for determining the curved alignment.
- Interchange (road) - WikipediaAssuming right-handed driving, to cross over incoming traffic and go left, vehicles first exit onto an off-ramp from the rightmost lane. After demerging from right-turning traffic, they complete their left turn by crossing both highways on a flyover ramp or underpass.
- Chapter 3. Interchanges | FHWA - Federal Highway AdministrationThe intersection of interchange entrance and exit ramps with surface streets often creates an environment that is unfriendly and sometimes unsafe for pedestrians. Motorists often have a low yield rate at these locations and are traveling at moderately high speeds.
- Ramping Up Ramp Management | FHWA - Federal Highway AdministrationSafety—Ramp management improves the flow and mix of vehicles that enter and exit freeways, reducing disruptions that can lead to collisions. Ramp metering is particularly effective at breaking up large platoons of vehicles, thereby smoothing traffic flow.
- Designing Complex Interchanges | FHWA - Federal Highway AdministrationFour key issues for interchange designers' attention are ramp spacing, guide signing, route continuity, and lane balance. These issues, either individually or combined, can affect the project's design, traffic flow, safety, and cost.
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