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The MUTCD and SHS establish seven categories of signs for road and highway use, ... Right shoulder drop-off ahead. W8-17P Shoulder drop-off (plaque) CW8-17P
A shoulder (American English), hard shoulder (British English) [1] or breakdown lane (Australian English) is an emergency stopping lane by the verge on the outer side of a road or motorway. Many wider freeways , or expressways elsewhere have shoulders on both sides of each directional carriageway—in the median, as well as at the outer edges ...
See three-way junction 5-1-1 A transportation and traffic information telephone hotline in some regions of the United States and Canada that was initially designated for road weather information. A Access road See frontage road Advisory speed limit A speed recommendation by a governing body. All-way stop or four-way stop An intersection system where traffic approaching it from all directions ...
Stabilization should only be performed at joints and cracks where the loss of support exists. Visual inspection is the simplest manner to find voids. Signs that repair is needed are transverse joint faulting, corner breaks and shoulder drop off and lines at or near joints and cracks. Deflection testing is another common procedure used to locate ...
A vertical edge drop-off often results in overcorrection, leading to a head-on collision, rollover, or a run-off-road collision on the far side of the road. Pavement edge drop-offs are problematic on roads where the hard shoulder is narrow or nonexistent. The safety edge adds about 1% to the pavement costs while building or resurfacing a road. [7]
of or pertaining to the shoulder (or [rarely] the upper arm) Latin umerus, shoulder humerus: hydr(o)-water Greek ὕδωρ (húdōr), water hydrophobe, hydrogen hyper-extreme or beyond normal Greek ὑπέρ (hupér), over, above; beyond, to the extreme hypertension, hypertrichosis: hyp(o)-below normal Greek ὑπό, ὑπο-(hupó), below, under
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The alertness enhancing effect was, however, short and the sleepiness signs returned 5 min after the rumble strip hit. Essentially no effects were seen due to type of strip." [21] A 2003 Montana study suggested that on Interstates, shoulder rumble reduced the roll-over accident rates but the severity of unprevented roll-over accidents increased.