sight distance

sight distance

[′sīt ‚dis·təns]
(optics)
The distance from which an object at eye level remains visible to an observer.
References in periodicals archive ?
Project Description : Pavement failure, narrow seal and restricted sight distance.
but the county determined that the lot had insufficient sight distance from the east to allow an entrance.
people who were on the streets said they had difficulty in taking breath and drivers had a restrictive sight distance.
WASSIT / Aswat al-Iraq: A strong sand storm has struck southern Iraq's Province of Wassit on Wednesday night, dropping several electric towers and decreasing the sight distance for few meters, eyewitnesses said.
Waters was travelling in the same direction and had a good sight distance to Ms Roberts' car and, although it was dark, should have seen the vehicle but failed to do so.
The sight distance is 2-3 meters, said Kylychbek Dosumbetov, officer of the Ministry of Emergency Situations.
Other suggestions involve moving stop lines back from the intersection to improve sight distance approaching the intersection; putting up warning signs; or making the intersection a four-way stop.
The zoning appeals board denied the permit, citing two primary safety concerns: first, that the road provided insufficient access to the complex; second, that vehicles on the highway would have inadequate sight distance to stop for obstacles at the intersection.
Additionally, the state could have widened the shoulder, erected signs warning motorists of the hazards of passing traffic, or cleared brush to increase the sight distance, the lawsuit says.
Overall, the physical shape of the roadway path (called vertical and horizontal alignments) will dictate the sight distance along the path.
During construction, the project was delayed when it became obvious that there was a design flaw in the horizontal sight distance.