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Lag distance is defined as the distance travelled by the vehicle before applying the break and after seeing the object. Check FAQs
LD=SSD-BD
LD - Lag Distance?SSD - Stopping Sight Distance?BD - Breaking Distance?

Lag Distance or Reaction Distance given Stopping Sight Distance Example

With values
With units
Only example

Here is how the Lag Distance or Reaction Distance given Stopping Sight Distance equation looks like with Values.

Here is how the Lag Distance or Reaction Distance given Stopping Sight Distance equation looks like with Units.

Here is how the Lag Distance or Reaction Distance given Stopping Sight Distance equation looks like.

120Edit=160Edit-40Edit
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Lag Distance or Reaction Distance given Stopping Sight Distance Solution

Follow our step by step solution on how to calculate Lag Distance or Reaction Distance given Stopping Sight Distance?

FIRST Step Consider the formula
LD=SSD-BD
Next Step Substitute values of Variables
LD=160m-40m
Next Step Prepare to Evaluate
LD=160-40
LAST Step Evaluate
LD=120m

Lag Distance or Reaction Distance given Stopping Sight Distance Formula Elements

Variables
Lag Distance
Lag distance is defined as the distance travelled by the vehicle before applying the break and after seeing the object.
Symbol: LD
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Stopping Sight Distance
Stopping Sight Distance is defined as distance provided on the road before a sharp turn.
Symbol: SSD
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Breaking Distance
Breaking distance is defined as the distance traveled after applying brake till the vehicle stops.
Symbol: BD
Measurement: LengthUnit: m
Note: Value should be greater than 0.

Other Formulas to find Lag Distance

​Go Lag Distance or Reaction Distance for Velocity
LD=Vbt

Other formulas in Lag Distance category

​Go Velocity of Vehicle given Lag Distance or Reaction Distance
Vb=LDt
​Go Reaction Time given Lag Distance or Reaction Distance
t=LDVb

How to Evaluate Lag Distance or Reaction Distance given Stopping Sight Distance?

Lag Distance or Reaction Distance given Stopping Sight Distance evaluator uses Lag Distance = Stopping Sight Distance-Breaking Distance to evaluate the Lag Distance, Lag Distance or Reaction Distance given Stopping Sight Distance formula is defined as distance travelled by vehicle after seeing object and before applying brake. Lag Distance is denoted by LD symbol.

How to evaluate Lag Distance or Reaction Distance given Stopping Sight Distance using this online evaluator? To use this online evaluator for Lag Distance or Reaction Distance given Stopping Sight Distance, enter Stopping Sight Distance (SSD) & Breaking Distance (BD) and hit the calculate button.

FAQs on Lag Distance or Reaction Distance given Stopping Sight Distance

What is the formula to find Lag Distance or Reaction Distance given Stopping Sight Distance?
The formula of Lag Distance or Reaction Distance given Stopping Sight Distance is expressed as Lag Distance = Stopping Sight Distance-Breaking Distance. Here is an example- 120 = 160-40.
How to calculate Lag Distance or Reaction Distance given Stopping Sight Distance?
With Stopping Sight Distance (SSD) & Breaking Distance (BD) we can find Lag Distance or Reaction Distance given Stopping Sight Distance using the formula - Lag Distance = Stopping Sight Distance-Breaking Distance.
What are the other ways to Calculate Lag Distance?
Here are the different ways to Calculate Lag Distance-
  • Lag Distance=Speed of Slow moving vehicle*Break Reaction TimeOpenImg
Can the Lag Distance or Reaction Distance given Stopping Sight Distance be negative?
No, the Lag Distance or Reaction Distance given Stopping Sight Distance, measured in Length cannot be negative.
Which unit is used to measure Lag Distance or Reaction Distance given Stopping Sight Distance?
Lag Distance or Reaction Distance given Stopping Sight Distance is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Lag Distance or Reaction Distance given Stopping Sight Distance can be measured.
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