Introduction to ivil ngineering ransportation ngineering ecture 6 lectrical ngineering he volution of ransportation ngineering Mechanical ngineering hemical ngineering MIIY NGINING eronautical ngineering Geotechnical ngineering Water ngineering IVI NGINING Structural ngineering NSPOION NGINING Quiz uesday pril 8 th 23 Q ist the different branches of ivil ngineering @ KFUPM Q2 -- What does a Geotechnical ngineer do? ist 5 Jobs. Q3 What types of loads the Structural ngineer should design for when building in Japan? ist 5 ypes. Please Write your name and Student # What is ransportation ngineering? Is the field of engineering that deals with the planning, design, construction, and operation of transportation networks and facilities It includes: railways; airports; waterways; roadways; transit; pedestrians; bicycles...
he ransportation ngineer Job ransportation ngineers design and analyze Highways, ailways, irports, Urban and Suburban oad Networks, Parking ots, and raffic ontrol Signal Systems. Specializations ransportation ngineers also work with different modes of travel: oad ail ir Water Specializations eveloping Facilities ransportation ngineers wear many hats: esign onstruction Operations Preliminary design etailed design onstruction Operations.
oad lassification System Short ange (-5 5 yrs) ong ange (5-2 yrs) evise facilities to meet immediate and future transportation needs Facility type, operation, size, location, network links Why classify roads? design and safety service function(s) operational level of service maintenance jurisdiction What do roadways do for us? and Service - provide access to private property raffic Service - allow us to move from point to point oad lassification System How does it work? cross-section section type service function(s) median type design speed
oad lassification Preliminary esign ross Section ype for Urban for ural Service Function(s) for Freeways for rterials for ollectors for ocals First attempt at designing a transportation facility Identifies type of facility, number of lanes, land needs, operation, costs, network links, etc. Preliminary esign oad lassification Median ype for Undivided for ivided esign Speed for 3 km/h for 4 km/h.. for for 2 ype of Facility: Geometric epresentation IG number of lanes
etailed esign onfirms type of facility, number of lanes, operation... Plans, profiles, quantities, specifications Staging, penalties, restrictions, contracts, costs, environmental, Preliminary esign etailed esign Pavement ypes Flexible igid igid omposite Flexible - pavements with a bitumen bonded surfacing and roadbase. igid - Pavements with a concrete surface slab which can be un-reinforced, joint reinforced or continuously reinforced. igid omposite - continuously reinforced concrete slab with a bituminous overlay. Pavement esign Foundation esign - hat is the design of the Subgrade and sub-base base hickness esign - hat is the design of the actual road surface onstruction stimating, bidding, tendering contracts ctual construction of facility raffic management, materials testing, inspection Signs, signals, pavement markings onstruction Preliminary esign etailed esign
Operations Intersection ontrol raffic control devices apacity and safety analysis evel of Service egislation and enforcement Maintenance and rehabilitation Operations onstruction Preliminary esign etailed esign asic ight-of of-way ule Yield Signs Stop Signs raffic ontrol Signals raffic ontrol evice What links? sign, signal, marking, or barrier; placed upon, above, or adjacent to the roadway; by person(s) ) having jurisdiction for the roadway; to regulate, warn, and guide the road user. and development generates traffic Property needs access to a public right-of of- way and values depend on accessibility
What links? raffic Studies ransportation Urban ivil onstruction rchitectural If you build it, they will come. building roads and developing land generates traffic studying traffic requires data collection raffic Studies raffic ounts raffic volume counts Vehicle classification studies Pedestrian volume counts raffic speed studies ransit ridership studies Parking inventory and usage studies Origin-destination studies
Intersection urning Movement ount ount all vehicles by approach and movement ount pedestrians by crosswalk Vehicle lassification ount ecording the different types of vehicles using the roadway ars, trucks, tractor-trailers, trailers, buses, bicycles,... Spot Speed Study ransportation ore & lective Use radar to record the speed of vehicles at a point on road Minimum sample of vehicles alculate the mean speed, 85th percentile speed, ore 26 Surveying (3-3- 34 ransportation ngineering (3-3- 34 ransportation ngineering aboratory (3-3- lectives 44 Highway & irport Materials (3-- 44 esign of Pavement (3-- 442 onstruction & Maintenance of Highways & irports (2-3- 443 Highway & esign (2-3- 444 raffic ngineering & oadway Safety (2-3-
ransportation ngineering ore 26 Surveying 34 ransportation ngineering 34 ransportation ngineering aboratory oadway lassification System ransportation ngineering lectives 44 Highway & irport Materials 44 esign of Pavement 442 onstruction & Maintenance Of Highways & irports raffic Incidents Statistics Kingdom Wide 443 Highway & esign 444 raffic ngineering & oadway Safety 46-49 49 H
opics ccidents, Injuries and Fatalities (48 &49). Major and minor accidents (48 & 49). Fatalities & Injuries for the last 4 years. auses Major & Minor ccidents in 48/49 48 49 % Increse Major 33,649 24,8 8% Minor 2,78 22,56 2% Other Findings. Pictures. otal 53,727 264,326 72% ccidents & Injuries in 48/49 48 49 % Increase ccidents 53,727 264,326 72% Injuries 28,4 3,59 % Fatalities 3,474 4,29 23% otal Inj. 3,588 35,349 2% Injuries 35 3 25 2 5 5 Injuries 25,3 24,8 28,4 3,59 46 47 48 49 Year
Fatalities 45 4 35 3 25 2 5 5 Fatalities 3,52 3,8 3,474 4,29 46 47 48 49 Year Other Findings and Notes 392,577 ivers involved in accidents. 4 % are non-saudi (57,. 4 % are below 8 years (54,688). 2,782,556 Violations 36,94 No iving icense 269,94 Speeding 6% of injured people ended with a permanent disability (,864). auses Speed 35.9 % ed-light 3.3 % urns.5 % Parking.9 % Passing 9.68 % Others 9.52 % Percentage 4 35 3 25 2 5 5 35.9 Speed 3.3 ed ight.5.9 9.68 urns Parking Passing ause 9.52 Other
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