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2. Speed bump - Wikipedia

   en.wikipedia.org/wiki/Speed_bump

   Speed bumps vary in length, but it is typical to leave space between the bump and either edge of an enclosed road (i.e. with curbs and gutters) to allow for drainage. Spaces on either side may also allow more expedient passage for emergency vehicles, though effectiveness will depend on the type of vehicle and specific road design.

3. Jersey barrier - Wikipedia

   en.wikipedia.org/wiki/Jersey_barrier

   Jersey barriers on the road. A Jersey barrier, Jersey wall, or Jersey bump is a modular concrete or plastic barrier employed to separate lanes of traffic.It is designed to minimize vehicle damage in cases of incidental contact while still preventing vehicle crossovers resulting in a likely head-on collision.

4. Interstate Highway standards - Wikipedia

   en.wikipedia.org/wiki/Interstate_Highway_standards

   Minimum design speed: A minimum design speed of 70 mph (113 km/h) is to be used, except in mountainous and urban areas, where the minimum is 50 mph (80 km/h). [ 4 ] The sight distance , curvature and superelevation of the highway should follow the current edition of AASHTO's A Policy on Geometric Design of Highways and Streets for the chosen ...

5. Speed bumps don't work: New approaches challenge long-held ...

   www.aol.com/speed-bumps-dont-approaches...

   Speed bumps have limited effectiveness: They only modestly reduce average speeds and their impact is localized. Unintended consequences exist: Speed bumps can pose safety risks, increase noise ...

6. Standard-gauge railway - Wikipedia

   en.wikipedia.org/wiki/Standard-gauge_railway

   Standard-gauge Rail Baltica railway is under construction and is scheduled to be completed by 2026. Cost studies have been undertaken for a potential overhaul of entire rail network to standard gauge. [41] Ethiopia: Addis Ababa-Djibouti Railway; Addis Ababa Light Rail: 659 km (409 mi) Other standard gauge lines under construction. Finland

7. ‘The worst in Fresno.’ Speed bumps — and city’s bad drivers ...

   www.aol.com/worst-fresno-speed-bumps-city...

   Fresno’s most famous speed bumps have admirers everywhere. Thousands of online viewers take great delight in watching some of the city’s worst drivers fail to slow down for a set of speed bumps.