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2. Raised pavement marker - Wikipedia

   en.wikipedia.org/wiki/Raised_pavement_marker

   Raised reflective markers, such as plastic, ceramic, or metal ones, include a lens or sheeting that enhances their visibility by retroreflecting automotive headlights, while glass road studs gather automotive headlights with a dome shape and reflect the lights with a reflective layer within.

3. Traffic cone - Wikipedia

   en.wikipedia.org/wiki/Traffic_cone

   28 in (711 mm), 10 lb (4.5 kg) – for freeway/highway applications (with reflective stripes) 36 in (914 mm), 10 lb (4.5 kg) – for freeway/highway applications (with reflective stripes) In New Zealand, they are compliant in two sizes for use on all roads; these are: 35 in (900mm), up to 16.5 lb (7 kg) - for all activities on all roads.

4. Cat's eye (road) - Wikipedia

   en.wikipedia.org/wiki/Cat's_eye_(road)

   Double-ended cat's eye is Shaw's original design and marks road centre-line. The inventor of cat's eyes was Percy Shaw of Boothtown, Halifax, West Yorkshire, England.When the tram-lines were removed in the nearby suburb of Ambler Thorn, he realised that he had been using the polished steel rails to navigate at night. [3]

5. Crow Tow insists it isn't 'predatory.' A lawsuit and an Iowa ...

   www.aol.com/crow-tow-insists-isnt-predatory...

   Each tow cost the tenants so much ― as much as $200 for a tow, more than $40 for each day the vehicle sat in a Crow Tow lot, or $150 cash to release a vehicle after it was mounted on a truck ...

6. Retroreflective sheeting - Wikipedia

   en.wikipedia.org/wiki/Retroreflective_sheeting

   Retroreflective sheeting for road signs is categorized by construction and performance specified by technical standards such as ASTM D4956-11a.; [4] various types give differing levels of retroreflection, effective view angles, and lifespan. [5] Sheeting has replaced button copy as the predominant type of retroreflector used in roadway signs.

7. Botts' dots - Wikipedia

   en.wikipedia.org/wiki/Botts'_dots

   Today, there are more than 25 million Botts' dots in use in California, [6] though they have started falling out of favor. In 2017, Caltrans announced that it would stop using Botts' dots as the sole indicator of lane division, due to cost and worker safety, and in order to make roadways more compatible with self-driving cars.