Lag Distance in Sight Distances of Highway Formulas

Lag distance is defined as the distance travelled by the vehicle before applying the break and after seeing the object. And is denoted by LD. Lag Distance is usually measured using the Meter for Length. Note that the value of Lag Distance is always positive.

Formulas to find Lag Distance in Sight Distances of Highway

fxLag Distance or Reaction Distance given Stopping Sight DistanceGo

fxLag Distance or Reaction Distance for VelocityGo

Sight Distances of Highway formulas that make use of Lag Distance

fxStopping Sight DistanceGo

fxVelocity of Vehicle given Lag Distance or Reaction DistanceGo

fxReaction Time given Lag Distance or Reaction DistanceGo

fxBreaking Distance given Stopping Sight DistanceGo

List of variables in Sight Distances of Highway formulas

fx Stopping Sight Distance Go

fx Breaking Distance Go

fx Speed of Slow moving vehicle Go

fx Break Reaction Time Go

FAQ

What is the Lag Distance?

Lag distance is defined as the distance travelled by the vehicle before applying the break and after seeing the object. Lag Distance is usually measured using the Meter for Length. Note that the value of Lag Distance is always positive.

Can the Lag Distance be negative?

No, the Lag Distance, measured in Length cannot be negative.

What unit is used to measure Lag Distance?

Lag 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 can be measured.

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