Page 32 - DDS Commercial Driver Manual 2021-2022
P. 32

SECTION     2  : DRIVING SAFETY


         TEST YOUR KNOWLEDGE                                                 flashing red lights and bells. When the lights be-
                                                                             gin to flash, stop! A train is approaching. You are
                                                                             required to yield the right-of-way to the train.
         Subsections 2.11, 2.12, 2.13 and 2.14                               If there is more than one track, make sure all
                                                                             tracks are clear before crossing. See Figure 2.18.
         • You should use low beams whenever you  • You should let air out of hot tires so the
           can. True or False?              pressure goes back to normal. True or  Gates. Many railroad-highway crossings
                                            False?                           have gates with flashing red lights and bells.
         • What should you do before you drive if                            Stop when the lights begin to flash and before
           you are drowsy?                • You can safely remove the radiator cap as  the gate lowers across the road lane. Remain
                                            long as the engine isn’t overheated. True
         • What effects can wet brakes cause? How                            stopped until the gates go up and the lights
           can you avoid these problems?    or False?                        have stopped flashing. Proceed when it is safe.
                                                                             See Figure 2.18.
         These questions may be on the test. If you can’t answer all of them, re-read subsections
         2.11, 2.12, 2.13, and 2.14
                                                                             2.15.3 – Driving Procedures
                                                                             Never Race a Train to a Crossing. Never at-
                                                                             tempt to race a train to a crossing. It is extremely
        2.14.2 – Driving                  Active Crossings. This type of crossing has   difficult to judge the speed of an approaching
                                          a traffic control device installed at the cross-  train.
        Watch for Bleeding Tar. Tar in the road pave-  ing to regulate traffic at the crossing. These ac-  Reduce Speed. Speed must be reduced in ac-
        ment frequently rises to the surface in very hot   tive devices include flashing red lights, with  cordance with your ability to see approaching
        weather. Spots where tar “bleeds” to the surface   or without bells and flashing red lights with  trains in any direction, and speed must be held
        are very slippery.
                                          bells and gates.                   to a point which will permit you to stop short of
        Go Slowly Enough to Prevent Overheating.                             the tracks in case a stop is necessary.
        High speeds create more heat for tires and the  2.15.2 – Warning Signs and Devices
        engine. In desert conditions the heat may build                      Don’t Expect to Hear a Train. Because of
        up to the point where it is dangerous. The heat   Advance Warning Signs. The round, black-  noise inside your vehicle, you cannot expect to
        will increase chances of tire failure or even fire,   on-yellow warning sign is placed ahead of a  hear the train horn until the train is dangerously
        and engine failure.               public railroad-highway crossing. The advance  close to the crossing.
                                          warning sign tells you to slow down, look and   Don’t Rely on Signals. You should not rely
                                          listen for the train, and be prepared to stop at
        2.15 –  Railroad-highway          the tracks if a train is coming. See Figure 2.15.  solely upon the presence of warning signals,
               Crossings                                                     gates, or flagmen to warn of the approach of
                                          Pavement Markings. Pavement markings  trains. Be especially alert at crossings that do not
                                          mean the same as the advance warning sign.  have gates or flashing red light signals.
          Railroad-highway grade crossings are a spe-  They consist of an “X” with the letters “”RR”
        cial kind of intersection where the roadway   and a no-passing marking on two-lane roads.   Double Tracks Require a Double Check.
        crosses train tracks. These crossings are always   See Figure 2.16.  Remember that a train on one track may hide a
        dangerous. Every such crossing must be ap-  There is also a no passing zone sign on two-  train on the other track. Look both ways before
        proached with the expectation that a train is   lane roads. There may be a white stop line   crossing. After one train has cleared a crossing,
        coming.                                                              be sure no other trains are near before starting
                                          painted on the pavement before the railroad   across the tracks.
        2.15.1 – Types of Crossings       tracks. The front of the school bus must remain
                                          behind this line while stopped at the crossing.  Yard Areas and Grade Crossings in Cities
        Passive Crossings. This type of crossing does                        and Towns. Yard areas and grade crossings
        not have any type of traffic control device. The   Crossbuck Signs. This sign marks the grade   in cities and towns are just as dangerous as
        decision to stop or proceed rests entirely in your   crossing. It requires you to yield the right-of-way   rural grade crossings. Approach them with as
        hands. Passive crossings require you to recog-  to the train. If there is no white line painted on   much caution.
        nize the crossing, search for any train using   the pavement, you must stop the bus before the
        the tracks and decide if there is sufficient clear   crossbuck sign. When the road crosses over more   2.15.4 –  Stopping Safely at Railroad-
        space to cross safely. Passive crossings have   than one set of tracks, a sign below the crossbuck   highway Crossings
        yellow circular advance warning signs, pave-  indicates the number of tracks. See Figure 2.17.
        ment markings and crossbucks to assist you in  Flashing Red Light Signals. At many high-  A full stop is required at grade crossings
        recognizing a crossing.           way-rail grade crossings, the crossbuck sign has   whenever:


            ROUND YELLOW           PAVEMENT MARKINGS          MULTIPLE TRACKS             GATES/LIGHTS
             WARNING SIGN














               Figure 2.15              Figure 2.16               Figure 2.17              Figure 2.18




   30                     GEORGIA COMMERCIAL DRIVERS MANUAL
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