13
/
en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
76341
7005
2

jan 1, 1960 - Botts' Dots

Description:

Elbert Botts creates raised non-reflective pavement markers that can also warn drivers of running off the road.

Added to timeline:

10 months ago
0
0
128
Highways

Date:

jan 1, 1960
Now
~ 58 years ago
FeedbackAboutTermsPrivacy