>>> TONIGHT, THE GROWING HOPE FOR FREEING HOSTAGES IN GAZA AS DOZENS OF PREMATURE BABIES RESCUED FROM GAZA'S LARGEST HOSPITAL ARE EVACUATED INTO EGYPT. AT LEAST 28 BABIES FROM GAZA'S BESIEGED AL SHIFA HOSPITAL TRANSPORTED IN MOBILE INCUBATORS BY AMBULANCES INTO EGYPT FOR URGENT TREATMENT. IT COMES AS PRESIDENT BIDEN SAYS HE BELIEVES A DEAL TO FREE SOME OF HAMAS'S HOSTAGES IS CLOSE. ISRAEL RELEASING VIDEO SAYING IT SHOWS HAMAS DRAGGING HOSTAGES INTO THE AL SHIFA HOSPITAL AS WELL AS FOOTAGE INSIDE AN ALLEGED HAMAS TUNNEL SHAFT AT THE COMPLEX. FIERCE FIGHTING NOW BREAKING OUT NEAR ANOTHER GAZA HOSPITAL. AND OUR NBC NEWS EXCLUSIVE LOOK INSIDE ISRAEL'S DRONE WARFARE. >>> ALSO TONIGHT, REPORTS OF TORNADOES AS A STORM SWEEPS ACROSS THE COUNTRY JUST AS HOLIDAY AIR TRAVEL IS EXPECTED TO BREAK RECORDS. AL ROKER WILL TIME IT OUT. >>> FORMER PRESIDENT DONALD TRUMP FIGHTING THE GAG ORDER IN HIS FEDERAL ELECTION INTERFERENCE CASE. WHAT AN APPEALS COURT SIGNALED TODAY. >>> THE TRIBUTES POURING IN FOR ROSALYNN CARTER. HOW THE FORMER FIRST LADY IS BEING REMEMBERED TONIGHT. >>> THE SHAKE-UP IN THE COMPANY BEHIND CHATGPT AND THE CEO'S NEXT MOVE AFTER HIS WHO JUST MADE HISTORY. >> Announcer: THIS IS NBC "NIGHTLY NEWS" WITH LESTER HOLT. >>> GOOD EVENING, EVERYONE AND WELCOME. TONIGHT PRESIDENT BIDEN EXPRESSING GROWING HOPE A RELEASE OF HOSTAGES TAKEN BY HAMAS COULD BE NEAR. NOW 45 DAYS INTO THE WAR THAT ERUPTED AFTER THE HAMAS TERROR ATTACKS ON ISRAEL, A POSSIBLE DEAL TO FREE AT LEAST SOME OF THE HOSTAGES MAY BE HINGING ON A PAUSE IN THE FIGHTING. THAT ACCORDING TO SOURCES FAMILIAR WITH THE NEGOTIATIONS. BUT THERE WAS NO SUCH PAUSE TODAY AS ANOTHER HOSPITAL, THIS ONE IN NORTHERN GAZA, WAS REPORTEDLY STRUCK. THE HAMAS-RUN GAZA HEALTH MINISTRY SAYS THERE ARE FATALITIES AFTER THE INDONESIAN HOSPITAL WAS SHELLED. THE CLAIM NOT VERIFIED BY NBC NEWS AND DENIED BY THE ISRAELI MILITARY. BUT ISRAEL TODAY SHOWING NEWLY RELEASED VIDEO TO REINFORCE ITS CLAIM THAT HOSPITALS ARE BEING USED AS COVER BY HAMAS, INCLUDING WHAT IT SAYS ARE IMAGES OF HOSTAGES BEING SPIRITED AWAY THROUGH HOSPITAL PASSAGES. WE START TONIGHT WITH RAF SANCHEZ. >> Reporter: TONIGHT FAMILIES OF THE HOSTAGES HELD CAPTIVE IN GAZA DARING TO HOPE, AND SO IS PRESIDENT BIDEN. >> MR. PRESIDENT, IS A HOSTAGE DEAL NEAR? >> I BELIEVE SO. I'M NOT PREPARED TO TALK -- >> YOU BELIEVE SO? >> YES. >> Reporter: BUT SO FAR HAMAS REFUSING TO RELEASE THE OVER 200 HOSTAGES HELD SINCE ITS OCTOBER 7 TERROR ATTACK, INCLUDING A 3-YEAR-OLD AMERICAN GIRL AND A 10-MONTH-OLD BABY. SOURCES TELL NBC NEWS A DEAL WOULD INVOLVE A PAUSE IN THE FIGHTING IN EXCHANGE FOR THE HOSTAGES, THOUGH CAUTIONING TALKS COULD STILL COLLAPSE. AMONG THOSE PRAYING, YONI ASHER. >> I AM A FATHER OF TWO LITTLE GIRLS, RAZ AND AVIV. >> Reporter: THIS CHILLING VIDEO SHOWING HIS DAUGHTERS, WIFE AND MOTHER-IN-LAW ALL BEING KIDNAPPED BY HAMAS. IT'S BEEN 45 DAYS WITH NO WORD. ARE YOU ALLOWING YOURSELF TO BE HOPEFUL? >> I HAVE TO. THIS FAMILY HAS NO OTHER MEMBER BUT ME. I AM THE FATHER. IF I WOULD NOT BE THEIR VOICE, NOBODY WILL. >> Reporter: WHILE IN GAZA GUNFIRE OUTSIDE THIS HOSPITAL, WHERE MANY PALESTINIAN CIVILIANS ARE TAKING SHELTER. THE PALESTINIAN AUTHORITY SAYS 12 PATIENTS WERE KILLED BY ISRAELI SHELLING. ISRAEL SAYS IT SHOT BACK AFTER MILITANTS OPENED FIRE FROM INSIDE THE MEDICAL FACILITY BUT DENIES SHELLING IT. ISRAELI TANKS SEEN SURROUNDING THE HOSPITAL. AND TODAY 28 PREMATURE BABIES CARRIED OUT OF GAZA TO THE SAFETY OF EGYPT. TINY LIVES YOUNGER THAN THE WAR THEY WERE BORN INTO. PALESTINIAN DOCTORS SAY AT LEAST EIGHT BABIES HAVE DIED SINCE THEIR INCUBATORS LOST POWER AT AL SHIFA HOSPITAL LAST WEEK. ISRAEL AND THE U.S. MAINTAIN HAMAS USE THE HOSPITAL AS A COMMAND CENTER. ISRAEL RELEASING THIS SECURITY FOOTAGE TIME STAMPED FROM THE MORNING OF OCTOBER 7th SAYING IT SHOWS HAMAS GUNMEN FORCING ONE HOSTAGE INTO THE HOSPITAL. ANOTHER HOSTAGE IS SEEN BLEEDING, WHEELED IN BY MEN WITH AK-47s. ISRAEL ALSO SHOWING IMAGES OF WHAT IT SAYS IS A HAMAS TUNNEL BELOW AL SHIFA. 10 YARDS DEEP, 55 YARDS LONG AND LEADING TO A BLAST DOOR WITH A FIRING HOLE. NBC NEWS HAS NOT BEEN ABLE TO INDEPENDENTLY VERIFY THE ASSERTION. >> AND RAF, ANOTHER MAJOR HEADLINE CONNECTED TO ALL THIS. IRANIAN-BACKED REBELS HAVE HIJACKED A SHIP IN THE RED SEA. WHAT DO WE KNOW ABOUT THAT? >> Reporter: LESTER, YEMEN'S HOUTHI REBELS LANDED ON THE CARGO VESSEL BY HELICOPTER AND SAY IT'S AN ISRAELI SHIP. ACTUALLY A BRITISH COMPANY RUN BY ISRAELIS OWNS IT. THE ISRAELI GOVERNMENT IS SAYING NONE OF ITS CITIZENS ARE ON BOARD AND IS CONDEMNING THE HIJACK AS IRANIAN AGGRESSION. LESTER? >> ALL RIGHT. RAF SANCHEZ, THANK YOU. >>> AND TONIGHT WE HAVE AN EXCLUSIVE INSIDE LOOK AT ISRAEL'S USE OF DRONE WARFARE TO TARGET HAMAS WITH DEVASTATING IMPACTS. HERE'S KEIR SIMMONS. >> Reporter: THIS IS THE IMPACT OF WHAT LOCALS SAY WAS AN ISRAELI DRONE STRIKE INSIDE A WEST BANK BUILDING WHERE FIVE PALESTINIANS WERE KILLED FRIDAY. AMONG THE DEAD A MAN ISRAEL SUSPECTED OF TERRORISM. ISRAELI OFFICIALS AND MULTIPLE PALESTINIAN WITNESSES TOLD US. BUT ALSO KILLED, LOCALS SAID, WAS A 15-YEAR-OLD BOY AND A BYSTANDER. NBC NEWS GOT RARE ACCESS INSIDE AN ISRAELI DRONE COMMAND CENTER. TWO ACTIVE-DUTY PILOTS AGREEING TO TALK TO US. THEY ASKED TO CONCEAL THEIR IDENTITIES BECAUSE THEY ARE CLASSIFIED. ONE SAYS A FRIEND IS AMONG THOSE KIDNAPPED BY HAMAS IN ITS TERROR ATTACKS. >> WAR IS TERRIBLE. IT'S FILLED WITH CHAOS. AND WHEN THE OTHER SIDE, HAMAS, IS USING CIVILIANS AS HUMAN SHIELDS, IT MAKES OUR JOBS A HUNDRED TIMES WORSE. >> Reporter: THE ISRAEL DEFENSE FORCES GAVE US EXCLUSIVE CLIPS OF DRONE VIDEOS WHERE THEY SAY PILOTS CHOSE TO CALL OFF STRIKES BECAUSE OF CIVILIANS CLOSE BY. "I SEE CHILDREN," A VOICE SAYS ABOUT GRAINY IMAGES. [ SPEAKING IN A GLOBAL LANGUAGE ] "WE'RE LEAVING THIS TARGET." >> WE'RE CONSTANTLY SPEAKING ABOUT CHILDREN SEEN AND WHOEVER GETS INTO OUR PICTURE AND WHY WE HAVE TO ABORT AIR STRIKES AND CALL OFF AIR STRIKES. >> Reporter: THERE WILL BE PEOPLE WATCHING, LISTENING TO YOU SAYING BUT I'M SEEING CHILDREN KILLED EVERY DAY. >> WE SEE THAT AS WELL. HAMAS TRAINS ALL DAY AND NIGHT SO THAT WE DO HIT CIVILIANS. SOMETIMES THEY HAVE THE UPPER HAND. WHEN IT HAPPENS, WE AS IDF SOLDIERS TAKE IT VERY HARDLY. >> Reporter: BUT IT'S NOT ONLY HAMAS TARGETED BY ISRAEL WITH THESE CONTROVERSIAL WEAPONS. WE FILMED THE FUNERAL FOLLOWING FRIDAY'S DRONE STRIKE IN THE WEST BANK. THE STRIKE KILLED, ISRAEL SAYS, A SENIOR TERRORIST FROM ANOTHER PALESTINIAN MILITANT GROUP. IT ALSO ENRAGED THE PEOPLE WE SAW HERE. HIS DEATH BY DRONE MADE HIM A HERO TO THESE PEOPLE. A MARTYR. "HE DIED FOR ALL OF US," ONE IN THIS CROWD TOLD ME. ISRAEL SAYS HE WAS RESPONSIBLE FOR TRYING TO KILL ISRAELI SOLDIERS AND CIVILIANS AND WAS PLANNING AN IMMINENT ATTACK ON ISRAEL. DURING THE FUNERAL A DRONE FLEW OVERHEAD. "THERE'S NO SAFE PLACE," THIS MAN TOLD US. "THEY JUST KILL WITH COLD BLOOD." CLOSE BY CHILDREN CARRYING FLAGS. THEN AN OLDER MAN STARTS THE CHANT, ENCOURAGING THE CROWD AROUND US. "WE WILL KEEP RESISTING," HE SHOUTS. ARMED DRONES ARE INCREASINGLY USED AROUND THE WORLD, INCLUDING BY THE U.S. WITH GROWING SCRUTINY. LESTER? >> KEIR SIMMONS TONIGHT. THANK YOU. >>> BACK IN THIS COUNTRY SEVERE WEATHER IS EXPECTED TO HIT MUCH OF THE COUNTRY THIS BUSY HOLIDAY TRAVEL WEEK. AL ROKER IS TRACKING IT ALL. AL, WHAT SHOULD WE KNOW? >> OKAY, LESTER, THE LATEST IS WE'VE GOT 10 MILLION PEOPLE UNDER SEVERE WEATHER WATCHES AND WARNINGS FOR TONIGHT WITH NOCTURNAL TORNADOES, WHICH ARE TWICE AS DEADLY. YOU CAN ALREADY SEE HEAVY ACTIVITY ON THE RADAR FROM MEMPHIS DOWN TO LAKE CHARLES. NOW, FOR TOMORROW THIS LARGE SYSTEM MOVES TO THE EAST. SNOW ACROSS THE INTERIOR NORTHEAST. AIRPORT DELAYS. WE'RE LOOKING FOR THOSE FROM WASHINGTON, D.C., DETROIT, CHICAGO, ST. LOUIS, DALLAS AND ATLANTA. THE ROADS ARE GOING TO BE A MESS TOO. I-77 AND I-40. WE MOVE ON INTO WEDNESDAY. IT MOVES OUT. BLUSTERY CONDITIONS BECAUSE OF THE WINDS, AIRPORT DELAYS ALONG THE I-95 CORRIDOR. AND LESTER, ALSO THE ROADS ALONG THE I-95 CORRIDOR ARE GOING TO BE SLICK AND SLIPPERY AS WELL. LESTER? >> ALL RIGHT, AL, THANKS VERY MUCH. >>> MOST STORMS ARE LIKELY TO SLOW DOWN A RECORD-BREAKING TRAVEL WEEK. HERE'S TOM COSTELLO WITH THAT. >> Reporter: THE TSA CALLS IT THE 12 DAYS OF THANKSGIVING AS MORE AMERICANS TRAVEL EARLY AND WORK REMOTELY BEFORE AND AFTER THURSDAY. 2.6 MILLION PASSENGERS FLYING TODAY AND TUESDAY AND WEDNESDAY. THEN A RECORD SUNDAY CRESCENDO, NEARLY 3 MILLION FLYING HOME. >> WE GET OUT ON A MONDAY AND WE COME RIGHT BACK AFTER, BEFORE THE CROWDS COME. >> Reporter: WHAT COULD SLOW THINGS DOWN? >> MOTHER NATURE OF COURSE IS THE X FACTOR IN ALL OF THIS. >> Reporter: IF YOU CAN FLY IN THE SLOW SEASON BETWEEN THANKSGIVING AND CHRISTMAS, AIRLINES HAVE MILLIONS OF EMPTY SEATS TO FILL. NOW MANY ARE OFFERING CUT-RATE DEALS. AS LOW AS $29 ONE WAY ON SOUTHWEST. SO FAR THIS YEAR ONLY 1.3% OF FLIGHTS HAVE BEEN DELAYED, THE LOWEST IN A DECADE. MOST BLAMED ON WEATHER AND AIRLINE ISSUES. BUT AMID RECORD PASSENGER LEVELS PILOT AND CONTROLLER ERRORS HAVE LED TO 23 HIGH-PROFILE NEAR MISSES THIS YEAR. ON RUNWAYS AND IN THE AIR. TRANSPORTATION SECRETARY PETE BUTTIGIEG. IS THE SYSTEM RIGHT NOW REALLY BEING STRESSED BEYOND ITS CAPACITY? >> WELL, DEMAND IS GROWING. IT'S GOING TO CONTINUE TO GROW. SO THE SYSTEM HAS TO GROW WITH IT. >> Reporter: FOR THIS WEEK THE FAA IS OPENING 169 NEW FAST LANES IN THE SKY AS DEPARTING COMMERCIAL FLIGHTS GET PRIORITY OVER PRIVATE PLANES. THE FAA ALSO OPENING UP CLOSED MILITARY AIRSPACE ON THE EAST COAST, IN THE GULF OF MEXICO AND CURTAILING ROCKET LAUNCHES IN FLORIDA TO MOVE THINGS ALONG. LESTER? >> TOM COSTELLO TONIGHT, THANK YOU. >>> A FEDERAL APPEALS COURT IN WASHINGTON HEARD ARGUMENTS ON WHETHER A GAG ORDER ON FORMER PRESIDENT TRUMP UNFAIRLY LIMITS WHAT HE CAN SAY IN HIS PRESIDENTIAL CAMPAIGN. LAURA JARRETT JOINS ME. LAURA, DID THE JUDGES SIGNAL HOW THEY MIGHT RULE IN THIS CASE? >> Reporter: WELL, THEIR QUESTIONS PROVIDE SOME PRETTY STRONG HINTS, LESTER. THEY APPEAR LIKELY TO UPHOLD SOME VERSION OF THE EXISTING GAG ORDER THAT BANS MR. TRUMP FROM ATTACKING PROSECUTORS, COURT STAFF, WITNESSES IN THIS CASE WHERE HE'S BEEN ACCUSED OF PLOTTING TO REVERSE THE 2020 ELECTION RESULTS. NOW, THE JUDGES TODAY SEEMED TROUBLED BY THE IDEA THAT A COURT IS SOMEHOW POWERLESS TO PROTECT WITNESSES FROM THREATS AND HARASSMENT. BUT THE THREE-JUDGE PANEL ALSO QUESTIONED WHETHER THE EXISTING GAG ORDER GOES TOO FAR. THIS PANEL IS LIKELY TO ISSUE A DECISION VERY SOON AS THE STAKES ARE HIGH FOR THE REPUBLICAN FRONT-RUNNER AND THE JUSTICE DEPARTMENT. THE SPECIAL COUNSEL HIMSELF, JACK SMITH, SITTING NEAR THE FRONT OF THE COURTROOM TODAY, LESTER. >> LAURA JARRETT, THANK YOU. >>> AND WE'RE REMEMBERING FORMER FIRST LADY ROSALYNN CARTER WHO DIED YESTERDAY AT THE AGE OF 96 FOR SOME OF HER MOST MEANINGFUL WORK. HERE'S ANDREA MITCHELL. >> Reporter: THERE ARE SO MANY WAYS TO REMEMBER ROSALYNN CARTER, A TRAILBLAZER REDEFINING THE ROLE OF FIRST LADY. HER LEGENDARY PARTNERSHIP WITH JIMMY CARTER, SERVING HUMANITY AROUND THE WORLD AND AT HOME. BUT PERHAPS HER GREATEST LEGACY IS HER WORK AS THE FIRST GREAT CHAMPION OF MENTAL HEALTH CARE IN AMERICA. >> IT IS WIDELY RECOGNIZED THAT THE MENTAL HEALTH SYSTEM IN OUR COUNTRY IS IN A CRISIS. THIS IS HEARTBREAKING TO ME. >> Reporter: HER ADVOCACY BEGAN WHEN PEOPLE APPROACHED HER ON THE CAMPAIGN TRAIL TO CONFIDE THEIR STRUGGLES WITH MENTAL HEALTH. >> I WAS ABLE TO SEE SOME OF THE THINGS GOING ON IN THE COUNTRY, SEE SOME OF THE NEEDS, SEE SOME GOOD THINGS TOO, BUT SO MANY NEEDS. >> Reporter: SHE SERVED ON GEORGIA'S FIRST COMMISSION ON MENTAL HEALTH, THEN A PRESIDENTIAL ONE. BOLDLY FIGHTING THE STIGMA SURROUNDING MENTAL HEALTH TREATMENT, WHEN IT WAS STILL IN THE SHADOWS, ESPECIALLY IN POLITICS. >> I CAN'T IMAGINE WE WOULD HAVE MADE THE PROGRESS WE HAVE MADE BOTH IN THE LEGISLATURE, IN THE COURT OF PUBLIC OPINION, EVEN IN FINANCING, IF IT WERE NOT FOR MRS. CARTER. >> Reporter: IN 1979 MRS. CARTER BECAME THE SECOND FIRST LADY TO EVER TESTIFY BEFORE CONGRESS, PUSHING FOR MENTAL HEALTH LEGISLATION. >> I HAVE LEARNED THE CHALLENGE THAT IT IS AND THE COMPLEXITIES INVOLVED WITH PROVIDING CARE FOR THOSE WHO ARE MENTALLY AFFLICTED. >> SHE DEDICATED HERSELF TO LIFTING THE STIGMA AND THEN PUT LEGISLATIVE MUSCLE BEHIND THAT. >> Reporter: LONG-TIME FRIEND JILL STUCKEY SAYS HER TWO GREATEST PASSIONS WERE HER FAMILY AND HER WORK ON MENTAL HEALTH. >> WHEN ROSALYNN CARTER GETS HER MIND SET ON SOMETHING, SHE'S NOT GOING TO LET GO. SHE'S TENACIOUS. AND SHE MADE IT HER LIFE'S WORK. >> Reporter: HELPING GENERATIONS OF AMERICANS GET THE CARE THEY NEED. >> I WANT MY MENTAL HEALTH WORK TO CARRY ON, EVEN AFTER THERE IS NO MORE STIGMA. >> Reporter: TONIGHT THAT LEGACY CONTINUES. ANDREA MITCHELL, NBC NEWS, WASHINGTON. >>> IN 60 SECONDS, INSIDE THE SILICON VALLEY ARTIFICIAL INTELLIGENCE SHAKE-UP, AN >>> BACK NOW FROM SAN FRANCISCO WITH A SHAKE-UP IN SILICON VALLEY. THE GODFATHER OF CHATGPT KICKED OUT OF THE COMPANY HE FOUNDED. HERE'S CHRISTINE ROMANS. >> Reporter: SAM ALTMAN, THE FACE OF CHATGPT AND ARTIFICIAL INTELLIGENCE, IN A MESSY BOARDROOM OUSTER. >> ALTMAN'S THE ZUCKERBERG TO SOCIAL MEDIA, MUSK TO ELECTRIC VEHICLES. HE'S THE GOLDEN CHILD. >> Reporter: AND HE'S OUT AT OPENAI, THE COMPANY HE CO-FOUNDED. THE BOARD VAGUELY BLAMING TRANSPARENCY. ALTMAN AND HIS CO-FOUNDER THEN SCOOPED UP BY OPEN AI'S BIGGEST INVESTOR, MICROSOFT, WITH MOST OF THE 700 OPEN AI EMPLOYEES VOWING TO WALK TOO. >> THIS IS PROBABLY THE BIGGEST EXAMPLE OF DISASTER, OF CORPORATE GOVERNANCE I'VE SEEN IN 25 YEARS. IT'S GOING TO RAISE EYEBROWS IN THE BELTWAY. IT'S GOING TO RAISE EYEBROWS IN BRUSSELS AND THE EU JUST GIVEN HOW IMPORTANT THIS TECHNOLOGY IS. >> Reporter: IT'S A BOARDROOM DRAMA THAT CRYSTALLIZES THE PUSH AND PULL IN SILICON VALLEY. THE RUSH TO COMMERCIALIZE AI VERSUS THE NEED TO GO SLOWLY TO PROTECT SOCIETY FROM UNINTENDED CONSEQUENCES. OPENAI'S CHATGPT IS A TOOL THAT CAN BE USED TO WRITE A BEST MAN SPEECH, A HOLIDAY RECIPE, EVEN HELP RESEARCH ON A MIDTERM PAPER. IT EVEN HAS THE POTENTIAL TO BE A NEW INDUSTRIAL REVOLUTION. THINK DRUG DEVELOPMENT AND TESTING, CURING CANCER, EVEN TACKLING CLIMATE CHANGE. THERE'S DOWN SIDE, THOUGH. AI HAS BEEN A TOOL FOR WEAPONIZING DISINFORMATION, IMPERSONATION FRAUD, DEEPFAKES, ONLINE HARASSMENT AND CONSUMER SCAMS, WITH THE POTENTIAL FOR UNTOLD MILLIONS OF JOBS REPLACED BY THIS TECHNOLOGY. IT'S A NEW FRONTIER CONTROLLED BY A SMALL GROUP OF PEOPLE. AND THE DRAMA AND THE DISSENT SHOW THERE'S NO REAL AGREEMENT OVER HOW TO PROCEED. WITH A TECHNOLOGY THAT'S CHANGING MORE RAPIDLY THAN CONGRESS'S ABILITY TO UNDERSTAND IT OR REGULATE IT. LESTER? >> ALL RIGHT. CHRISTINE, THANK YOU. >>> COMING UP, WITH DEADLY SPEEDING ACCIDENTS ON THE RISE WE LOOK AT HOW ONE CITY IS CHANGING THE NARRATIVE. >>> A SAFETY REMINDER THIS THANKSGIVING. SPEED IS A BIG FACTOR IN THE NEARLY 43,000 TRAFFIC DEATHS IN THE U.S. EACH YEAR. CANADA, BY COMPARISON, SEES FEWER THAN 2,000. SO SCOTT FRIEDMAN FROM OUR DALLAS AFFILIATE TOOK A TRIP NORTH FOR SOME POTENTIALLY LIFE-SAVING LESSONS. >> Reporter: ON THE ROADS IN DALLAS ANOTHER DEADLY MORNING RUSH HOUR COMMUTE. DEADLY CRASHES AROUND THE CITY REPORTED SO OFTEN THEY START TO SEEM NORMAL. >> AN 18-WHEELER COMES CRASHING OVER THE HIGHWAY. >> Reporter: DRIVING HERE -- >> LOOK AT THIS SUV. OH, MY GOSH. >> Reporter: IT CAN FEEL LIKE YOU'RE CAUGHT IN A DRAG RACE. >> THE GUY IN THE LEFT-HAND LANE JUST FLYING HERE. LOOK AT THIS. >> Reporter: WE CLOCKED CARS ON ROADS WITH A HISTORY OF HIGH-SPEED CRASHES AND SAW EXTREME SPEEDS. >> 100. IN LANE 2. 112. >> Reporter: ALMOST 50 MILES AN HOUR OVER THE LIMIT. AND ON CITY STREETS WE SAW FREEWAY SPEEDS. >> 63. RIGHT HERE. >> Reporter: WE ANALYZED FEDERAL DATA AND FOUND OVER FIVE YEARS DALLAS HAD THE HIGHEST TRAFFIC FATALITY RATE AMONG AMERICA'S TEN LARGEST CITIES. AND SPEED WAS THE NUMBER ONE FACTOR IN DEADLY WRECKS. >> THE NUMBERS ARE TOO HIGH. AND NOW MY MOM IS ONE OF THOSE NUMBERS. >> Reporter: REINA SALAZAR WAS HEADING HOME FROM WORK WHEN POLICE SAY A TEENAGER WHO HAD BEEN DRINKING SLAMMED INTO HER AT HIGH SPEED. >> THAT'S BEEN THE HARDEST PART, LEARNING -- COMING TO TERMS WITH THE FACT THAT SHE'S NO LONGER HERE. >> Reporter: ON THIS RESIDENTIAL DALLAS STREET WITNESSES SAY A DRIVER PUNCHED HIS ACCELERATOR, CRASHING INTO MAX CAM'S SUV, BREAKING HIS STERNUM, SHATTERING HIS WRIST. >> THAT IS ONE THING I DO REMEMBER, IS THE HIGH RPMs AS HE WAS HITTING ME. I CAN STILL HEAR THAT SOUND. >> YOU HAVE TO MAKE A CHOICE OF WHETHER IT'S MORE IMPORTANT TO SAVE LIVES OR TO FACILITATE FAST CAR TRAFFIC. >> Reporter: ROAD SAFETY RESEARCHER DAVID ZIPPER SAYS PART OF THE PROBLEM IS ROAD DESIGN. WIDE STRAIGHT LANES THAT GIVE A FALSE SENSE IT'S SAFE TO DRIVE FAST. >> THEY'RE DRIVING THAT FAST BECAUSE THEY FEEL LIKE THE ROAD IS INVITING THEM TO DO THAT. >> Reporter: ZIPPER POINTS TO CANADIAN AND EUROPEAN CITIES WITH LOWER DEATH RATES, NARROWER LANES TO SLOW DRIVERS, AND INTERSECTIONS REBUILT TO PROTECT PEOPLE. TO SEE WE WENT TO EDMONTON, CANADA. >> EVERYBODY STOPPED. >> EVERYBODY'S STOPPED. >> FOR US. >> IT'S SO SAFE FOR YOU. THERE IS NO CONFLICT BETWEEN PEDESTRIAN AND VEHICLE. >> Reporter: IN EDMONTON PEOPLE CROSS SOME ROADS DIAGONALLY AS TRAFFIC LIGHTS STOP CARS IN ALL DIRECTIONS AND PROHIBIT RIGHT-HAND TURNS ON RED. EDMONTON IS ALSO REMOVING TRAFFIC LANES AND INSTALLING SPEED-CALMING DEVICES THAT NARROW STREETS. >> JUST THE NARROWING OF THE ROAD BY THIS CURB EXTENSION JUST MAKES PEOPLE A LITTLE BIS MORE SUBCONSCIOUS OR CONSCIOUS OF OKAY, I BETTER SLOW DOWN. >> Reporter: BY POPULATION THE CITY OF DALLAS IS 18% BIGGER THAN EDMONTON BUT LAST YEAR IT HAD 228 TRAFFIC DEATHS COMPARED TO EDMONTON'S 14. AFTER EDMONTON ADOPT AID VISION ZERO SAFETY PLAN IN 2015, INCLUDING AUTOMATED SPEED ENFORCEMENT, TRAFFIC DEATHS DROPPED 50%. AND INJURIES 30%. LESSON THAT'S MIGHT HELP MORE CITIES -- >> LOOK AT HOW FASETER WHEN YOU CAN CELEBRATE WITH THOSE AROUND YOU AFTER EVERYONE'S WORKING SO HARD. >> Reporter: EMILIE IKEDA, NBC