Description : Maximum number of vehicles that can pass a given point on a lane during one hour without creating unreasonable delay, is known as (A) Traffic density of lane (B) Basic capacity of lane (C) Probable capacity of lane (D) Practical capacity of lane
Last Answer : Answer: Option D
Description : If the velocity of moving vehicles on a road is 24 km/per hour, stopping distance is 19 metres and average length of vehicles is 6 metres, the basic capacity of lane, is (A) 500 vehicles per hour (B) 700 vehicles per hour (C) 1000 vehicles per hour (D) 1250 vehicles per hour
Last Answer : Answer: Option C
Description : The width of road pavements, depends upon (A) Width of traffic lane (B) Number of traffic (C) Width of median strip (D) All the above
Description : Maximum number of passenger cars that can pass a given point on a road during one hour under the most ideal road way and traffic conditions, is known as (A) Traffic density (B) Basic capacity of traffic lane (C) Possible capacity of traffic lane (D) All the above
Last Answer : Answer: Option B
Description : To prevent a head-on-collision of vehicles travelling in opposite directions along four-lane roads (A) Markings on the road are provided (B) Physical dividers are provided (C) Area dividers are provided (D) Medians of wide area are provided
Description : The total value of extra widening required at a horizontal curve on a two lane hill road of radius 42 m for a design speed of 50 kmph and for vehicles with wheel base 6 m, is (A) 0.500 m (B) 0.589 m (C) 1.089 m (D) 0.089 m
Description : If C is basic capacity per lane, V is velocity in km/hour, S is stopping distance plus length of the vehicles in metres, the formula C = 1000V/S is applicable to (A) District roads (B) Two lane roads (C) Two lane roads in one direction (D) None of these
Description : Periodical Census of traffic at unmanned level Crossings should be done once in a) Once in 6 years b) Every year c) Once in 3 years* d) Once in 5 years
Last Answer : c) Once in 3 years*
Description : Stopping distance of vehicles : When brakes are applied to a moving vehicle, the distance it travels before stopping is called stopping distance. It is an important factor for road safety and depends on ... the brake with the deceleration of 5m/s2. Find the stopping distance of the car -Science
Last Answer : Here u=72 km/hr = 72×10003600m/s=2072×10003600m/s=20 m/s , v=0 a= -5 m/s2 Now using the relation v2=u2+2asv2=u2+2as 0=(20)2+2×(−5)×s0=(20)2+2×(−5)×s s=40ms=40m
Description : Why do certain vehicles have to stop at train crossings?
Last Answer : It’s better to be constantly cautious in those vehicles. Having the rule to stop and ensure that the way is clear reduces the risk of someone not, or forgetting to look both ways and just driving through the crossing as they normally do.
Description : The number of vehicles moving in a specified direction on a roadway that pass a given point during specified unit of time, is called (A) Traffic volume (B) Traffic density (C) Basic capacity (D) Traffic capacity
Last Answer : Answer: Option A
Description : Extra widening required at a horizontal curve on a single lane hill road of radius 80 m for a design speed of 50 km ph and for a vehicle with wheel base 6.0 m is (A) 0.225 m (B) 0.589 m (C) 1.250 m (D) None of these
Description : According to IRC : 52-1973, for a single lane National Highway in hilly region, (A) Width of the carriageway must be 3.75 m (B) Shoulders on either side must be 1.25 m (C) Total width of the road-way must be 6.25 m (D) Total of the above
Description : According to Indian Road Congress, the width of carriageway, is (A) 3.75 m for single lane (B) 7.0 m for two lanes without raised kerbs (C) 7.5 m for two lanes with raised kerbs (D) All the above
Description : How did we come to use the colors red, yellow, and green for traffic signal devices at intersections?
Last Answer : http://www33.brinkster.com/iiiii/trfclt/ The world's first three-color, four-direction, elec. traffic lamp, was installed at the intersection of Woodward Ave. and Fort Street, Detroit, Michigan in October, ... , yellow, and green meant stop , caution , and all clear respectively (Brignano 1981).
Description : The pavement width of a road depends upon (A) Terrain (B) Type of traffic (C) Number of lanes (D) All the above
Description : Where should I go to find out if trains pass a certain rail road crossings?
Last Answer : Google Earth.
Description : Leaf spring for vehicles are nipped to (a) To vary the effective length of the spring (b) to increase the interleaf friction (c) Improve the load carrying capacity of spring (d) ensure that all leaves are uniformly stressed during loading
Last Answer : (d) ensure that all leaves are uniformly stressed during loading
Description : Concrete pavement is provided if daily traffic per lane exceeds (A) 500 tonnes (B) 750 tonnes (C) 1000 tonnes (D) 1250 tonnes
Description : As per IRC recommendations, the average level of illumination on important roads carrying fast traffic is (A) 10 Lux (B) 15 Lux (C) 20 Lux (D) 30 Lux
Description : Thickness of broken line markings on multi-lane road for lanes is generally kept (A) 10 cm (B) 12 cm (C) 15 cm (D) 18 cm
Description : Thickness of broken centre line markings for a four lane road, is generally kept (A) 10 cm (B) 12 cm (C) 15 cm (D) 18 cm
Description : If the number of lanes on the carriageway of a road is more than two, the total width of lane ways is equal to 3.0 m (A) + 0.60 m (B) + 0.70 m (C) + 0.90 m (D) + 1.50 m
Description : Road width 8.8 m of two lane National highways or State highways in mountainous terrain (A) Excludes the width of parapet (0.6 m) (B) Excludes the width of side drain (0.6 m) (C) Excludes the width of parapet and side drain (D) Includes the width of parapet and side drain
Description : Width of a rotary round should be equal to (A) Twice the width of narrowest radial road (B) Width of the widest road (C) Width of the widest road plus the width of one lane (D) Width of the widest road plus 2 metres
Description : In case of a multi-lane road, overtaking is generally permitted (A) From right (B) From left (C) From both sides right and left (D) Not at all
Last Answer : 2 types of level crossing or rail crossing. A. Protected rail crossing or guard controlled rail crossing , b. Unprotected rail crossings or unguarded rail crossings.
Description : In case of Shot Welded Rails the fish plated joint should be avoided on Level Crossings within a distance of --------- from end of level crossing a) 3 meters b) 4 meters c) 5 meters d) 6 meters*
Last Answer : d) 6 meters*
Description : The minimum and maximum clearances of check rails at all BG level crossings shall be a) 51 to 57 mm* b) 44 to 48 mm c) 41 to 45 mm d) 55 to 70 mm
Last Answer : a) 51 to 57 mm*
Description : Stop boards on either side of approaches of all unmanned level crossings shall be provided at -------------from the centre line of nearest track. a) 3meters b) 5 meters* c) 6 meters d) 10 meters
Last Answer : b) 5 meters*
Description : Ok ,traveling down a two way highway and come upon all the vehicles in your lane stopped with their hazards on, and no one in the on coming lane, would you just automatically just try and pass all the vehicles, or maybe see why everyone was stopped?
Last Answer : I would wait for a bit to see if the traffic finally moved, all the while searching for a local traffic report. If possible, I would turn around and find an alternate route. But no, I wouldn’t try to zoom up to see what was happening. That person is a nitwit.
Description : Alignment of highways in hilly regions, is decided on (A) Long stretch of very hard cutting (B) Number of river crossings (C) Natural unstable areas (D) All the above
Description : The thickness of the layer of insulation on the conductor, in cables, depends upon (a) Reactive power (b) Power factor (c) Voltage (d) Current carrying capacity
Last Answer : (c) Voltage
Description : If the population growth follows a logistic curve, the maximum sustainable yield: (A) is equal to half the carrying capacity. (B) is equal to the carrying capacity. (C) depends on growth rates. (D) depends on the initial population.
Last Answer : (A) is equal to half the carrying capacity.
Description : If P is the number of vehicles per day at last census, r is the increase in traffic and n is the number of years passed after last census, number of vehicles A per day for design, is (A) P (1 + r)n (B) P (1 - r)n (C) P (1 + r)-n+5 (D) P (1 + r)5n
Description : Shoulders for high traffic volume roads, should (A) Be stable throughout the year to be used by vehicles in the case of emergency (B) Support and protect the ends of carriage ways (C) Not allow entrance of water to sub-grade (D) All the above
Description : Increase in traffic volume, due to increase in transport vehicles, is known as (A) Development traffic (B) Normal traffic growth (C) Generated traffic growth (D) Current traffic
Description : One-way streets are generally provided in crowded cities as, these (A) Are inexpensive means of traffic flow (B) Reduce delays to vehicles (C) Permit higher speed (D) All the above
Description : The advantage of providing super-elevation on roads, is (A) Higher speed of vehicles (B) Increased volume of traffic (C) Reduced maintenance cost of the roads (D) All the above
Description : At intersection of roads, the traffic volume study is carried out to ascertain the number of vehicles (A) Moving along straights (B) Turning left (C) Turning right (D) All the above
Description : A traffic rotary is justified where (A) Number of intersecting roads is between 4 and 7 (B) Space is limited and costly (C) When traffic volume is less than 500 vehicles per hour (D) When traffic volume is more than 5000 vehicles per hour
Description : Why do some drivers in the carpool lane driver slower than the traffic in the regular lanes?
Last Answer : Passive agression?
Description : If you are slower than other traffic on an interstate which lane should you use?
Last Answer : Depends on which country you're in.If you are in a country with right-side traffic, you should stayin the right lanes and let faster traffic pass you on the left.If you're in a country with left-side traffic, you should stayin the left lanes and let faster traffic pass on the right.
Description : A single lane carriage way whenever changes to two-lane carriage way, is affected through a taper of (A) 1 in 10 (B) 1 in 15 (C) 1 in 20 (D) 1 in 15 to 1 in 20
Description : Minimum stopping distance for moving vehicles on road with a design speed of 80 km/hour, is (A) 80 m (B) 100 m (C) 120 m (D) 150 m
Description : If the coefficient of friction on the road surface is 0.15 and a maximum super-elevation 1 in 15 is provided, the maximum speed of the vehicles on a curve of 100 metre radius, is (A) 32.44 km/hour (B) 42.44 kg/hour (C) 52.44 km/hour (D) 62.44 km/hour
Description : Design of horizontal curves on highways, is based on (A) Design speed of vehicles (B) Permissible friction on the road surface (C) Permissible centrifugal ratio (D) All the above
Description : A collision on a two-lane road, who is to blame? (Details inside. )
Last Answer : Don’t even need Johnpennington for this one! The vehicle that crossed the dividing line is at fault! Next case!
Description : Is this a one or two lane road?
Last Answer : seems pretty simple to me. One lane for bicycles, one lane for motorized vehicles. Maybe I’m confused as to what the question is.
Description : If carpool lanes are reserved to encourage people to commute together and as a result have fewer drivers on the road, shouldn't the number of people needed for the carpool lane include licensed drivers only?
Last Answer : How are you going to determine if everyone in a car is a legal driver, even if they are all of age? Stopping every car to check IDs would defeat one purpose of the lanes which is to reduce ... to work. Not to mention it would probably not be legal to check every ID without probable cause anyway.