3.Anexisting 6.0 m wide single carriageway road with 0.5m wide verges (see Fig. 1.1) has a layout as indicated in Fig. 1.2. The length of the section of highway under examination is 8 km (X to Y). The relevant angles are: A = 85° B = 55° C = 50° There are a total of 88 access points and minor junctions along the length of the highway. Calculate the design speed. 0.5m * Figure 1.1 Cross-section of highway. 6.0m 0.5m * *

3.Anexisting 6.0 m wide single carriageway road with 0.5m wide verges (see Fig. 1.1) has a layout as indicated in Fig. 1.2. The length of the section of highway under examination is 8 km (X to Y). The relevant angles are: A = 85° B = 55° C = 50° There are a total of 88 access points and minor junctions along the length of the highway. Calculate the design speed. 0.5m * Figure 1.1 Cross-section of highway. 6.0m 0.5m * *

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter14: Highway Surveys And Location

Section: Chapter Questions

Problem 14P

See similar textbooks

Similar questions

Starting at an elevation of 15.000m above datum at chainage 0.000m, a road alignment follows a constant +2% gradient. Calculate the finished road level at a station value (chainage) of 200.000m. Note: Your answer should be provided in units of meters.
A highway curve has R = 600 m, I = 20∘00′, and PI station = 3 + 290.600 m. What sight distance is available if there is an obstruction 20 m inside the curve on a radial line through the PI? Express your answer to five significant figures and include the appropriate units.
Three roads are to be connected by a reversed curve. Road 1 has a length of 57.6 m. bearing due east, Road 2 has a length of 91.5 bearing N680E, and Road 3 has a length of 109.2 bearing S480E. Find the length of the common radius of the new centerline of the three roads (the common radius of the reversed curve) Show the illustration:
Two parallel railway lines are to be connected by a reverse curve, each section havingthe same radius. If the lines are 10 m apart and the maximum distance between tangentpoints measured parallel to the straights is 40 m, find the maximum allowable radius. If,however, both the radii are different, calculate the radius of the second branch if that ofthe 1st branch is 50 m. Also, calculate the length of the curves of both branches.
Grades of g1 = -2.50% and g2 = +1.50%, VPI elevation 850.00 ft at station 22 + 00, and a fixed elevation 854.00 ft at station 20 + 50. Field conditions require a highway curve to pass through a fixed point. Compute a suitable equal-tangent vertical curve and full-station elevations. Give the elevations in order of increasing X . Express your answers in feet to five significant figures separated by commas.
Determine the cross sectional area for a 9m wide roadway at Sta 12+198 using the given cross section notes in the image:
Determine the height h in meters of the 500m2 cross section at Station 1+180 if the base of the roadway is 20meters and having a 2 : 1 side slope.
In your engineering survey course, your instructor put you in a group to help a transportation engineering Company to design a road that runs a 5°50’ curve to P.C.C and 275 m. long from P.C. of the compound curve. Then a 2°15’ curve runs towards P.T., which is 590 m long. The company asked your team to compute the following for the design of the new road of ‘Glorious Mythic Lane.” The angle that the long chord makes with the first tangent
c) Discuss and plot the difference among urban, rural and hilly cross section of road in detail.
2 existing highways are to be connected by a simple curve of 2° (100m arc basis). The first highway has a North azimuth of -18°26’34” while the second highway has a South azimuth of -47°21’08”. Determine the required length of curve to be constructed and the station of the end of the curve given that the theoretical intersection of both highways was found to be at STA. 3+016. (Draw the figure) *SHOW COMPLETE AND CLEAR SOLUTION WITH EXPLANATION FOR ME TO UNDERSTAND THANKYOU
Why extra widening of road is required at horizontal curve?Determine the super-elevation in inch for a 60 feet wide road with a design speed of 70 mile/hr. and degree of curvature 8° ; ? = 0.155.
SURVEYING (UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS AND DIAGRAMS *IF NECESSARY* LEGIBLY. NO LONG EXPLANATION NEEDED. ANSWER IN 2 DECIMAL PLACES AND BOX THE FINAL ANSWER. PLEASE ANSWER ALL.) A proposed 5°13' circular curve is to connect Dahlia Avenue to a newly constructed road which starts 72 meters from station 10+000 as shown in the figure below. The circular curve has the following specifications: Road classification = 2-lane 2-way national road Roadway width = 7.00 m (3.50 m width per lane) Degree of curve = 5° 13' If Dahlia Avenue has an azimuth of 330°, find the following: a. The stationing of the start of newly constructed road (along the centerline of the road). b. The total area of roadway to be paved in connecting these two roads, in sqm.